This is f/g77.info, produced by makeinfo version 4.0 from
/usr/src/gnu/egcs/gcc/f/g77.texi.

INFO-DIR-SECTION Programming
START-INFO-DIR-ENTRY
* g77: (g77).                  The GNU Fortran compiler.
END-INFO-DIR-ENTRY
   This file documents the use and the internals of the GNU Fortran
(`g77') compiler.  It corresponds to the GCC-2.95 version of `g77'.

   Published by the Free Software Foundation 59 Temple Place - Suite 330
Boston, MA 02111-1307 USA

   Copyright (C) 1995-1999 Free Software Foundation, Inc.

   Permission is granted to make and distribute verbatim copies of this
manual provided the copyright notice and this permission notice are
preserved on all copies.

   Permission is granted to copy and distribute modified versions of
this manual under the conditions for verbatim copying, provided also
that the sections entitled "GNU General Public License," "Funding for
Free Software," and "Protect Your Freedom--Fight `Look And Feel'" are
included exactly as in the original, and provided that the entire
resulting derived work is distributed under the terms of a permission
notice identical to this one.

   Permission is granted to copy and distribute translations of this
manual into another language, under the above conditions for modified
versions, except that the sections entitled "GNU General Public
License," "Funding for Free Software," and "Protect Your Freedom--Fight
`Look And Feel'", and this permission notice, may be included in
translations approved by the Free Software Foundation instead of in the
original English.

   Contributed by James Craig Burley (<craig@jcb-sc.com>).  Inspired by
a first pass at translating `g77-0.5.16/f/DOC' that was contributed to
Craig by David Ronis (<ronis@onsager.chem.mcgill.ca>).


File: g77.info,  Node: Index,  Prev: Diagnostics,  Up: Top

Index
*****

* Menu:

* ! <1>:                                 Character Set.
* ! <2>:                                 Statements Comments Lines.
* ! <3>:                                 Trailing Comment.
* ! <4>:                                 Exclamation Point.
* !:                                     LEX.
* ":                                     Character Set.
* # <1>:                                 Character Set.
* #:                                     Cpp-style directives.
* #define:                               Overall Options.
* #if:                                   Overall Options.
* #include:                              Overall Options.
* #include directive:                    Bug Reporting.
* $:                                     Dollar Signs.
* %:                                     Character Set.
* %DESCR() construct:                    %DESCR().
* %LOC() construct:                      %LOC().
* %REF() construct:                      %REF().
* %VAL() construct:                      %VAL().
* &:                                     Character Set.
* *:                                     LEX.
* *N notation <1>:                       Star Notation.
* *N notation:                           Compiler Types.
* --driver option <1>:                   Changes.
* --driver option <2>:                   News.
* --driver option <3>:                   Changes.
* --driver option:                       News.
* -falias-check option <1>:              Code Gen Options.
* -falias-check option:                  Aliasing Assumed To Work.
* -fargument-alias option <1>:           Code Gen Options.
* -fargument-alias option:               Aliasing Assumed To Work.
* -fargument-noalias option <1>:         Code Gen Options.
* -fargument-noalias option:             Aliasing Assumed To Work.
* -fbadu77-intrinsics-delete option:     Fortran Dialect Options.
* -fbadu77-intrinsics-disable option:    Fortran Dialect Options.
* -fbadu77-intrinsics-enable option:     Fortran Dialect Options.
* -fbadu77-intrinsics-hide option:       Fortran Dialect Options.
* -fbounds-check option:                 Code Gen Options.
* -fcaller-saves option:                 Optimize Options.
* -fcase-initcap option:                 Fortran Dialect Options.
* -fcase-lower option:                   Fortran Dialect Options.
* -fcase-preserve option:                Fortran Dialect Options.
* -fcase-strict-lower option:            Fortran Dialect Options.
* -fcase-strict-upper option:            Fortran Dialect Options.
* -fcase-upper option:                   Fortran Dialect Options.
* -fdebug-kludge option:                 Code Gen Options.
* -fdelayed-branch option:               Optimize Options.
* -fdollar-ok option:                    Fortran Dialect Options.
* -femulate-complex option:              Code Gen Options.
* -fexpensive-optimizations option:      Optimize Options.
* -ff2c-intrinsics-delete option:        Fortran Dialect Options.
* -ff2c-intrinsics-disable option:       Fortran Dialect Options.
* -ff2c-intrinsics-enable option:        Fortran Dialect Options.
* -ff2c-intrinsics-hide option:          Fortran Dialect Options.
* -ff2c-library option:                  Code Gen Options.
* -ff66 option:                          Shorthand Options.
* -ff77 option:                          Shorthand Options.
* -ff90:                                 Fortran 90 Features.
* -ff90 option:                          Fortran Dialect Options.
* -ff90-intrinsics-delete option:        Fortran Dialect Options.
* -ff90-intrinsics-disable option:       Fortran Dialect Options.
* -ff90-intrinsics-enable option:        Fortran Dialect Options.
* -ff90-intrinsics-hide option:          Fortran Dialect Options.
* -ffast-math option:                    Optimize Options.
* -ffixed-line-length-N option:          Fortran Dialect Options.
* -fflatten-arrays option:               Code Gen Options.
* -ffloat-store option:                  Optimize Options.
* -fforce-addr option:                   Optimize Options.
* -fforce-mem option:                    Optimize Options.
* -ffortran-bounds-check option:         Code Gen Options.
* -ffree-form:                           Fortran 90 Features.
* -ffree-form option:                    Fortran Dialect Options.
* -fgnu-intrinsics-delete option:        Fortran Dialect Options.
* -fgnu-intrinsics-disable option:       Fortran Dialect Options.
* -fgnu-intrinsics-enable option:        Fortran Dialect Options.
* -fgnu-intrinsics-hide option:          Fortran Dialect Options.
* -fGROUP-intrinsics-hide option:        Overly Convenient Options.
* -finit-local-zero option <1>:          Code Gen Options.
* -finit-local-zero option:              Overly Convenient Options.
* -fintrin-case-any option:              Fortran Dialect Options.
* -fintrin-case-initcap option:          Fortran Dialect Options.
* -fintrin-case-lower option:            Fortran Dialect Options.
* -fintrin-case-upper option:            Fortran Dialect Options.
* -fmatch-case-any option:               Fortran Dialect Options.
* -fmatch-case-initcap option:           Fortran Dialect Options.
* -fmatch-case-lower option:             Fortran Dialect Options.
* -fmatch-case-upper option:             Fortran Dialect Options.
* -fmil-intrinsics-delete option:        Fortran Dialect Options.
* -fmil-intrinsics-disable option:       Fortran Dialect Options.
* -fmil-intrinsics-enable option:        Fortran Dialect Options.
* -fmil-intrinsics-hide option:          Fortran Dialect Options.
* -fno-argument-noalias-global option <1>: Code Gen Options.
* -fno-argument-noalias-global option:   Aliasing Assumed To Work.
* -fno-automatic option <1>:             Code Gen Options.
* -fno-automatic option:                 Overly Convenient Options.
* -fno-backslash option:                 Fortran Dialect Options.
* -fno-common option:                    Code Gen Options.
* -fno-f2c option <1>:                   Code Gen Options.
* -fno-f2c option:                       Avoid f2c Compatibility.
* -fno-f77 option:                       Shorthand Options.
* -fno-fixed-form option:                Fortran Dialect Options.
* -fno-globals option:                   Code Gen Options.
* -fno-ident option:                     Code Gen Options.
* -fno-inline option:                    Optimize Options.
* -fno-move-all-movables option:         Optimize Options.
* -fno-reduce-all-givs option:           Optimize Options.
* -fno-rerun-loop-opt option:            Optimize Options.
* -fno-second-underscore:                f2c Skeletons and Prototypes.
* -fno-second-underscore option <1>:     Code Gen Options.
* -fno-second-underscore option:         Names.
* -fno-silent option:                    Overall Options.
* -fno-ugly option:                      Shorthand Options.
* -fno-ugly-args option:                 Fortran Dialect Options.
* -fno-ugly-init option:                 Fortran Dialect Options.
* -fno-underscoring option <1>:          Names.
* -fno-underscoring option:              Code Gen Options.
* -fonetrip option:                      Fortran Dialect Options.
* -fpack-struct option:                  Code Gen Options.
* -fpcc-struct-return option:            Code Gen Options.
* -fpedantic option:                     Warning Options.
* -fPIC option:                          News.
* -freg-struct-return option:            Code Gen Options.
* -frerun-cse-after-loop option:         Optimize Options.
* -fschedule-insns option:               Optimize Options.
* -fschedule-insns2 option:              Optimize Options.
* -fset-g77-defaults option:             Overall Options.
* -fshort-double option:                 Code Gen Options.
* -fsource-case-lower option:            Fortran Dialect Options.
* -fsource-case-preserve option:         Fortran Dialect Options.
* -fsource-case-upper option:            Fortran Dialect Options.
* -fstrength-reduce option:              Optimize Options.
* -fsymbol-case-any option:              Fortran Dialect Options.
* -fsymbol-case-initcap option:          Fortran Dialect Options.
* -fsymbol-case-lower option:            Fortran Dialect Options.
* -fsymbol-case-upper option:            Fortran Dialect Options.
* -fsyntax-only option:                  Warning Options.
* -ftypeless-boz option:                 Fortran Dialect Options.
* -fugly option:                         Shorthand Options.
* -fugly-assign option:                  Fortran Dialect Options.
* -fugly-assumed option:                 Fortran Dialect Options.
* -fugly-comma option:                   Fortran Dialect Options.
* -fugly-complex option:                 Fortran Dialect Options.
* -fugly-logint option:                  Fortran Dialect Options.
* -funix-intrinsics-delete option:       Fortran Dialect Options.
* -funix-intrinsics-disable option:      Fortran Dialect Options.
* -funix-intrinsics-enable option:       Fortran Dialect Options.
* -funix-intrinsics-hide option:         Fortran Dialect Options.
* -funroll-all-loops option:             Optimize Options.
* -funroll-loops option:                 Optimize Options.
* -fversion option:                      Overall Options.
* -fvxt option:                          Fortran Dialect Options.
* -fvxt-intrinsics-delete option:        Fortran Dialect Options.
* -fvxt-intrinsics-disable option:       Fortran Dialect Options.
* -fvxt-intrinsics-enable option:        Fortran Dialect Options.
* -fvxt-intrinsics-hide option:          Fortran Dialect Options.
* -fzeros option:                        Code Gen Options.
* -g option:                             Debugging Options.
* -I- option:                            Directory Options.
* -i8:                                   Increasing Precision/Range.
* -Idir option:                          Directory Options.
* -malign-double <1>:                    Changes.
* -malign-double:                        News.
* -malign-double option <1>:             Optimize Options.
* -malign-double option:                 Aligned Data.
* -Nl option:                            Compiler Limits.
* -Nx option:                            Compiler Limits.
* -O2:                                   News.
* -pedantic option:                      Warning Options.
* -pedantic-errors option:               Warning Options.
* -qrealsize=8:                          Increasing Precision/Range.
* -r8:                                   Increasing Precision/Range.
* -u option:                             Warning Options.
* -v option:                             G77 and GCC.
* -w option:                             Warning Options.
* -W option:                             Warning Options.
* -Waggregate-return option:             Warning Options.
* -Wall option:                          Warning Options.
* -Wcomment option:                      Warning Options.
* -Wconversion option:                   Warning Options.
* -Werror option:                        Warning Options.
* -Wformat option:                       Warning Options.
* -Wid-clash-LEN option:                 Warning Options.
* -Wimplicit option:                     Warning Options.
* -Wlarger-than-LEN option:              Warning Options.
* -Wno-globals option:                   Warning Options.
* -Wparentheses option:                  Warning Options.
* -Wredundant-decls option:              Warning Options.
* -Wshadow option:                       Warning Options.
* -Wsurprising option:                   Warning Options.
* -Wswitch option:                       Warning Options.
* -Wtraditional option:                  Warning Options.
* -Wuninitialized option:                Warning Options.
* -Wunused option:                       Warning Options.
* -x f77-cpp-input option:               LEX.
* .EQV., with integer operands:          Equivalence Versus Equality.
* .f filename suffix:                    Overall Options.
* .F filename suffix:                    Overall Options.
* .for filename suffix:                  Overall Options.
* .FOR filename suffix:                  Overall Options.
* .fpp filename suffix:                  Overall Options.
* .FPP filename suffix:                  Overall Options.
* .gdbinit:                              Main Program Unit.
* .r filename suffix:                    Overall Options.
* /* <1>:                                Trailing Comment.
* /*:                                    Overall Options.
* /WARNINGS=DECLARATIONS switch:         Warning Options.
* 64-bit systems:                        Alpha Problems Fixed.
* 80-bit spills:                         Floating-point Errors.
* ; <1>:                                 Character Set.
* ;:                                     Statements Comments Lines.
* <:                                     Character Set.
* <> edit descriptor:                    I/O.
* >:                                     Character Set.
* ?:                                     Character Set.
* \:                                     Character Set.
* _:                                     Character Set.
* _bsearch:                              Missing strtoul or bsearch.
* _strtoul:                              Missing strtoul or bsearch.
* Abort intrinsic:                       Abort Intrinsic.
* Abs intrinsic:                         Abs Intrinsic.
* ACCEPT statement:                      TYPE and ACCEPT I/O Statements.
* Access intrinsic:                      Access Intrinsic.
* AChar intrinsic:                       AChar Intrinsic.
* ACos intrinsic:                        ACos Intrinsic.
* ACosD intrinsic:                       ACosD Intrinsic.
* adding options:                        Adding Options.
* adjustable arrays:                     Adjustable Arrays.
* AdjustL intrinsic:                     AdjustL Intrinsic.
* AdjustR intrinsic:                     AdjustR Intrinsic.
* aggregate initialization:              Large Initialization.
* AImag intrinsic <1>:                   REAL() and AIMAG() of Complex.
* AImag intrinsic:                       AImag Intrinsic.
* AIMax0 intrinsic:                      AIMax0 Intrinsic.
* AIMin0 intrinsic:                      AIMin0 Intrinsic.
* AInt intrinsic:                        AInt Intrinsic.
* AIX:                                   System-specific Problems.
* AJMax0 intrinsic:                      AJMax0 Intrinsic.
* AJMin0 intrinsic:                      AJMin0 Intrinsic.
* Alarm intrinsic:                       Alarm Intrinsic.
* aliasing <1>:                          Known Bugs.
* aliasing:                              Aliasing Assumed To Work.
* aligned data:                          Aligned Data.
* aligned stack:                         Aligned Data.
* alignment <1>:                         Changes.
* alignment <2>:                         Aligned Data.
* alignment <3>:                         News.
* alignment:                             Changes.
* alignment testing:                     Aligned Data.
* All intrinsic:                         All Intrinsic.
* all warnings:                          Warning Options.
* Allocated intrinsic:                   Allocated Intrinsic.
* ALog intrinsic:                        ALog Intrinsic.
* ALog10 intrinsic:                      ALog10 Intrinsic.
* Alpha, support <1>:                    Known Bugs.
* Alpha, support:                        Alpha Problems Fixed.
* alternate entry points:                Alternate Entry Points.
* alternate returns:                     Alternate Returns.
* ALWAYS_FLUSH <1>:                      Always Flush Output.
* ALWAYS_FLUSH:                          Output Assumed To Flush.
* AMax0 intrinsic:                       AMax0 Intrinsic.
* AMax1 intrinsic:                       AMax1 Intrinsic.
* AMin0 intrinsic:                       AMin0 Intrinsic.
* AMin1 intrinsic:                       AMin1 Intrinsic.
* AMod intrinsic:                        AMod Intrinsic.
* ampersand:                             Character Set.
* ampersand continuation line:           Ampersands.
* And intrinsic <1>:                     Bit Operations on Floating-point Data.
* And intrinsic:                         And Intrinsic.
* ANInt intrinsic:                       ANInt Intrinsic.
* ANS carriage control:                  OPEN CLOSE and INQUIRE Keywords.
* ANSI FORTRAN 77 standard:              Language.
* ANSI FORTRAN 77 support:               Standard Support.
* anti-aliasing:                         Aliasing Assumed To Work.
* Any intrinsic:                         Any Intrinsic.
* arguments, null:                       Ugly Null Arguments.
* arguments, omitting:                   Ugly Null Arguments.
* arguments, unused <1>:                 Unused Arguments.
* arguments, unused:                     Warning Options.
* array bounds checking:                 Code Gen Options.
* array bounds, adjustable:              Array Bounds Expressions.
* array elements, in adjustable array bounds: Array Bounds Expressions.
* array ordering:                        Arrays.
* array performance:                     Code Gen Options.
* array size:                            Array Size.
* arrays:                                Arrays.
* arrays, adjustable:                    Adjustable Arrays.
* arrays, assumed-size:                  Ugly Assumed-Size Arrays.
* arrays, automatic <1>:                 Stack Overflow.
* arrays, automatic <2>:                 Large Automatic Arrays.
* arrays, automatic <3>:                 Adjustable Arrays.
* arrays, automatic:                     Overly Convenient Options.
* arrays, dimensioning <1>:              Adjustable Arrays.
* arrays, dimensioning:                  Array Size.
* arrays, flattening:                    Code Gen Options.
* as command:                            What is GNU Fortran?.
* ASin intrinsic:                        ASin Intrinsic.
* ASinD intrinsic:                       ASinD Intrinsic.
* assembler:                             What is GNU Fortran?.
* assembly code:                         What is GNU Fortran?.
* assembly code, invalid:                Bug Criteria.
* ASSIGN statement <1>:                  Assigned Statement Labels.
* ASSIGN statement:                      Ugly Assigned Labels.
* assigned labels:                       Ugly Assigned Labels.
* assigned statement labels:             Assigned Statement Labels.
* Associated intrinsic:                  Associated Intrinsic.
* association, storage:                  Aliasing Assumed To Work.
* assumed-size arrays:                   Ugly Assumed-Size Arrays.
* asterisk:                              LEX.
* ATan intrinsic:                        ATan Intrinsic.
* ATan2 intrinsic:                       ATan2 Intrinsic.
* ATan2D intrinsic:                      ATan2D Intrinsic.
* ATanD intrinsic:                       ATanD Intrinsic.
* automatic arrays <1>:                  Overly Convenient Options.
* automatic arrays <2>:                  Adjustable Arrays.
* automatic arrays <3>:                  Large Automatic Arrays.
* automatic arrays:                      Stack Overflow.
* AUTOMATIC statement:                   AUTOMATIC Statement.
* automatic variables:                   AUTOMATIC Statement.
* back end, gcc <1>:                     Philosophy of Code Generation.
* back end, gcc:                         What is GNU Fortran?.
* backslash <1>:                         Character Set.
* backslash <2>:                         Backslash in Constants.
* backslash:                             Fortran Dialect Options.
* backtrace for bug reports:             Bug Reporting.
* badu77 intrinsics:                     Fortran Dialect Options.
* badu77 intrinsics group:               Intrinsic Groups.
* basic concepts:                        What is GNU Fortran?.
* Bear-poking:                           Philosophy of Code Generation.
* beginners:                             Getting Started.
* BesJ0 intrinsic:                       BesJ0 Intrinsic.
* BesJ1 intrinsic:                       BesJ1 Intrinsic.
* BesJN intrinsic:                       BesJN Intrinsic.
* BesY0 intrinsic:                       BesY0 Intrinsic.
* BesY1 intrinsic:                       BesY1 Intrinsic.
* BesYN intrinsic:                       BesYN Intrinsic.
* binaries, distributing:                Distributing Binaries.
* binary data:                           Portable Unformatted Files.
* bit patterns:                          Floating-point Bit Patterns.
* Bit_Size intrinsic:                    Bit_Size Intrinsic.
* BITest intrinsic:                      BITest Intrinsic.
* BJTest intrinsic:                      BJTest Intrinsic.
* blank <1>:                             Character Set.
* blank:                                 Lines.
* block data:                            Multiple Definitions of External Names.
* block data and libraries:              Block Data and Libraries.
* BLOCK DATA statement <1>:              Multiple Definitions of External Names.
* BLOCK DATA statement:                  Block Data and Libraries.
* bounds checking:                       Code Gen Options.
* bsearch:                               Missing strtoul or bsearch.
* BTest intrinsic:                       BTest Intrinsic.
* bug criteria:                          Bug Criteria.
* bug report mailing lists:              Bug Lists.
* bugs:                                  Bugs.
* bugs, finding:                         What is GNU Fortran?.
* bugs, known:                           Trouble.
* building gcc:                          Building GNU CC Necessary.
* bus error <1>:                         NeXTStep Problems.
* bus error:                             Strange Behavior at Run Time.
* but-bugs:                              But-bugs.
* byte ordering:                         Portable Unformatted Files.
* C library:                             Strange Behavior at Run Time.
* C preprocessor:                        Overall Options.
* C routines calling Fortran:            Debugging and Interfacing.
* C++:                                   C++ Considerations.
* C++, linking with:                     Interoperating with C and C++.
* C, linking with:                       Interoperating with C and C++.
* CAbs intrinsic:                        CAbs Intrinsic.
* calling C routines:                    Debugging and Interfacing.
* card image:                            Fortran Dialect Options.
* carriage control:                      OPEN CLOSE and INQUIRE Keywords.
* carriage returns:                      Carriage Returns.
* case sensitivity:                      Case Sensitivity.
* cc1 program:                           What is GNU Fortran?.
* cc1plus program:                       What is GNU Fortran?.
* CCos intrinsic:                        CCos Intrinsic.
* CDAbs intrinsic:                       CDAbs Intrinsic.
* CDCos intrinsic:                       CDCos Intrinsic.
* CDExp intrinsic:                       CDExp Intrinsic.
* CDLog intrinsic:                       CDLog Intrinsic.
* CDSin intrinsic:                       CDSin Intrinsic.
* CDSqRt intrinsic:                      CDSqRt Intrinsic.
* Ceiling intrinsic:                     Ceiling Intrinsic.
* CExp intrinsic:                        CExp Intrinsic.
* cfortran.h:                            C Interfacing Tools.
* changes, user-visible:                 Changes.
* Char intrinsic:                        Char Intrinsic.
* character assignments:                 Fortran 90 Features.
* character constants <1>:               Double Quote Meaning.
* character constants <2>:               Fortran Dialect Options.
* character constants <3>:               Ugly Conversion of Initializers.
* character constants:                   Character and Hollerith Constants.
* character set:                         Fortran Dialect Options.
* CHARACTER*(*):                         Arbitrary Concatenation.
* CHARACTER, null:                       Character Type.
* character-variable length:             Character-variable Length.
* characters:                            Character Set.
* characters, comma:                     Ugly Null Arguments.
* characters, comment <1>:               Statements Comments Lines.
* characters, comment <2>:               Exclamation Point.
* characters, comment <3>:               Trailing Comment.
* characters, comment:                   LEX.
* characters, continuation <1>:          LEX.
* characters, continuation <2>:          Statements Comments Lines.
* characters, continuation:              Exclamation Point.
* ChDir intrinsic <1>:                   ChDir Intrinsic (function).
* ChDir intrinsic:                       ChDir Intrinsic (subroutine).
* checking subscripts:                   Code Gen Options.
* checking substrings:                   Code Gen Options.
* checks, of internal consistency:       Overall Options.
* ChMod intrinsic <1>:                   ChMod Intrinsic (function).
* ChMod intrinsic:                       ChMod Intrinsic (subroutine).
* CLog intrinsic:                        CLog Intrinsic.
* close angle:                           Character Set.
* close bracket:                         Character Set.
* CLOSE statement:                       OPEN CLOSE and INQUIRE Keywords.
* Cmplx intrinsic <1>:                   Cmplx Intrinsic.
* Cmplx intrinsic:                       CMPLX() of DOUBLE PRECISION.
* code generation, conventions:          Code Gen Options.
* code generation, improving:            Better Optimization.
* code generator <1>:                    What is GNU Fortran?.
* code generator:                        Philosophy of Code Generation.
* code, assembly:                        What is GNU Fortran?.
* code, displaying main source:          Known Bugs.
* code, distributing:                    Distributing Binaries.
* code, in-line:                         What is GNU Fortran?.
* code, legacy:                          Collected Fortran Wisdom.
* code, machine:                         What is GNU Fortran?.
* code, modifying:                       Overall Options.
* code, source <1>:                      Lines.
* code, source <2>:                      What is GNU Fortran?.
* code, source <3>:                      Source Form.
* code, source:                          Case Sensitivity.
* code, stack variables:                 Maximum Stackable Size.
* code, user:                            Cannot Link Fortran Programs.
* code, writing:                         Collected Fortran Wisdom.
* column-major ordering:                 Arrays.
* columns 73 through 80:                 Better Source Model.
* comma, trailing:                       Ugly Null Arguments.
* command options:                       Invoking G77.
* commands, as:                          What is GNU Fortran?.
* commands, g77 <1>:                     What is GNU Fortran?.
* commands, g77:                         G77 and GCC.
* commands, gcc <1>:                     G77 and GCC.
* commands, gcc:                         What is GNU Fortran?.
* commands, gdb:                         What is GNU Fortran?.
* commands, ld:                          What is GNU Fortran?.
* comment <1>:                           LEX.
* comment <2>:                           Trailing Comment.
* comment:                               Statements Comments Lines.
* comment character:                     Exclamation Point.
* comment line, debug <1>:               Enabling Debug Lines.
* comment line, debug:                   Debug Line.
* common blocks <1>:                     Known Bugs.
* common blocks <2>:                     Debugging Options.
* common blocks <3>:                     Known Bugs.
* common blocks <4>:                     Mangling of Names.
* common blocks:                         Common Blocks.
* common blocks, large:                  Large Common Blocks.
* COMMON layout:                         Aligned Data.
* COMMON statement <1>:                  Common Blocks.
* COMMON statement:                      Multiple Definitions of External Names.
* comparing logical expressions:         Equivalence Versus Equality.
* compatibility, f2c <1>:                Overall Options.
* compatibility, f2c <2>:                Block Data and Libraries.
* compatibility, f2c <3>:                Avoid f2c Compatibility.
* compatibility, f2c <4>:                Code Gen Options.
* compatibility, f2c:                    Shorthand Options.
* compatibility, f77:                    Shorthand Options.
* compatibility, FORTRAN 66 <1>:         Fortran Dialect Options.
* compatibility, FORTRAN 66:             Shorthand Options.
* compatibility, FORTRAN 77:             Standard Support.
* compatibility, Fortran 90:             Fortran 90.
* compilation, in-line <1>:              GLOBALS.
* compilation, in-line <2>:              Optimize Options.
* compilation, in-line:                  Code Gen Options.
* compilation, pedantic:                 Pedantic Compilation.
* compilation, status:                   Overall Options.
* compiler bugs, reporting:              Bug Reporting.
* compiler limits:                       Compiler Limits.
* compiler memory usage:                 Known Bugs.
* compiler speed:                        Known Bugs.
* compilers:                             What is GNU Fortran?.
* compiling programs:                    G77 and GCC.
* Complex intrinsic:                     Complex Intrinsic.
* COMPLEX intrinsics:                    Fortran Dialect Options.
* complex performance:                   Known Bugs.
* COMPLEX statement:                     Complex Variables.
* complex values:                        Ugly Complex Part Extraction.
* complex variables:                     Complex Variables.
* COMPLEX(KIND=1) type:                  Compiler Types.
* COMPLEX(KIND=2) type:                  Compiler Types.
* components of g77:                     What is GNU Fortran?.
* concatenation:                         Arbitrary Concatenation.
* concepts, basic:                       What is GNU Fortran?.
* conformance, IEEE 754 <1>:             Optimize Options.
* conformance, IEEE 754:                 Floating-point precision.
* Conjg intrinsic:                       Conjg Intrinsic.
* consistency checks:                    Overall Options.
* constants <1>:                         Compiler Constants.
* constants:                             Constants.
* constants, character <1>:              Ugly Conversion of Initializers.
* constants, character <2>:              Double Quote Meaning.
* constants, character:                  Character and Hollerith Constants.
* constants, context-sensitive:          Context-Sensitive Constants.
* constants, Hollerith <1>:              Ugly Implicit Argument Conversion.
* constants, Hollerith <2>:              Ugly Conversion of Initializers.
* constants, Hollerith:                  Character and Hollerith Constants.
* constants, integer:                    Known Bugs.
* constants, octal:                      Double Quote Meaning.
* constants, prefix-radix:               Fortran Dialect Options.
* constants, types:                      Fortran Dialect Options.
* construct names:                       Construct Names.
* context-sensitive constants:           Context-Sensitive Constants.
* context-sensitive intrinsics:          Context-Sensitive Intrinsicness.
* continuation character <1>:            LEX.
* continuation character <2>:            Exclamation Point.
* continuation character:                Statements Comments Lines.
* continuation line, ampersand:          Ampersands.
* continuation line, number of:          Continuation Line.
* contributors:                          Contributors.
* conversions, nonportable:              Nonportable Conversions.
* core dump:                             Bug Criteria.
* Cos intrinsic:                         Cos Intrinsic.
* CosD intrinsic:                        CosD Intrinsic.
* CosH intrinsic:                        CosH Intrinsic.
* Count intrinsic:                       Count Intrinsic.
* cpp preprocessor:                      Overall Options.
* cpp program <1>:                       What is GNU Fortran?.
* cpp program <2>:                       Overall Options.
* cpp program <3>:                       Preprocessor Options.
* cpp program <4>:                       Bug Reporting.
* cpp program:                           LEX.
* CPU_Time intrinsic:                    CPU_Time Intrinsic.
* Cray pointers:                         POINTER Statements.
* credits:                               Contributors.
* cross-compiler, building:              Floating-point Bit Patterns.
* cross-compiler, problems:              Cross-compiler Problems.
* CShift intrinsic:                      CShift Intrinsic.
* CSin intrinsic:                        CSin Intrinsic.
* CSqRt intrinsic:                       CSqRt Intrinsic.
* CTime intrinsic <1>:                   CTime Intrinsic (subroutine).
* CTime intrinsic:                       CTime Intrinsic (function).
* CYCLE statement:                       CYCLE and EXIT.
* DAbs intrinsic:                        DAbs Intrinsic.
* DACos intrinsic:                       DACos Intrinsic.
* DACosD intrinsic:                      DACosD Intrinsic.
* DASin intrinsic:                       DASin Intrinsic.
* DASinD intrinsic:                      DASinD Intrinsic.
* DATA statement <1>:                    Known Bugs.
* DATA statement:                        Code Gen Options.
* data types:                            Compiler Types.
* data, aligned:                         Aligned Data.
* data, overwritten:                     Strange Behavior at Run Time.
* DATan intrinsic:                       DATan Intrinsic.
* DATan2 intrinsic:                      DATan2 Intrinsic.
* DATan2D intrinsic:                     DATan2D Intrinsic.
* DATanD intrinsic:                      DATanD Intrinsic.
* Date intrinsic:                        Date Intrinsic.
* Date_and_Time intrinsic:               Date_and_Time Intrinsic.
* date_y2kbuggy_0:                       Year 2000 (Y2K) Problems.
* DbesJ0 intrinsic:                      DbesJ0 Intrinsic.
* DbesJ1 intrinsic:                      DbesJ1 Intrinsic.
* DbesJN intrinsic:                      DbesJN Intrinsic.
* DbesY0 intrinsic:                      DbesY0 Intrinsic.
* DbesY1 intrinsic:                      DbesY1 Intrinsic.
* DbesYN intrinsic:                      DbesYN Intrinsic.
* Dble intrinsic:                        Dble Intrinsic.
* DbleQ intrinsic:                       DbleQ Intrinsic.
* DCmplx intrinsic:                      DCmplx Intrinsic.
* DConjg intrinsic:                      DConjg Intrinsic.
* DCos intrinsic:                        DCos Intrinsic.
* DCosD intrinsic:                       DCosD Intrinsic.
* DCosH intrinsic:                       DCosH Intrinsic.
* DDiM intrinsic:                        DDiM Intrinsic.
* debug line <1>:                        Enabling Debug Lines.
* debug line:                            Debug Line.
* debug_rtx:                             Bug Reporting.
* debugger <1>:                          What is GNU Fortran?.
* debugger:                              Known Bugs.
* debugging <1>:                         Debugging and Interfacing.
* debugging <2>:                         Known Bugs.
* debugging <3>:                         Main Program Unit.
* debugging:                             Names.
* debugging information options:         Debugging Options.
* debugging main source code:            Known Bugs.
* DECODE statement:                      ENCODE and DECODE.
* deleted intrinsics:                    Intrinsic Groups.
* DErF intrinsic:                        DErF Intrinsic.
* DErFC intrinsic:                       DErFC Intrinsic.
* DExp intrinsic:                        DExp Intrinsic.
* DFloat intrinsic:                      DFloat Intrinsic.
* DFlotI intrinsic:                      DFlotI Intrinsic.
* DFlotJ intrinsic:                      DFlotJ Intrinsic.
* diagnostics:                           Diagnostics.
* diagnostics, incorrect:                What is GNU Fortran?.
* dialect options:                       Fortran Dialect Options.
* Digital Fortran features:              Fortran Dialect Options.
* Digits intrinsic:                      Digits Intrinsic.
* DiM intrinsic:                         DiM Intrinsic.
* DImag intrinsic:                       DImag Intrinsic.
* DIMENSION statement <1>:               Array Bounds Expressions.
* DIMENSION statement <2>:               Adjustable Arrays.
* DIMENSION statement:                   Arrays.
* DIMENSION X(1):                        Ugly Assumed-Size Arrays.
* dimensioning arrays:                   Adjustable Arrays.
* DInt intrinsic:                        DInt Intrinsic.
* direction of language development:     Direction of Language Development.
* directive, #include:                   Bug Reporting.
* directive, INCLUDE <1>:                Bug Reporting.
* directive, INCLUDE <2>:                Preprocessor Options.
* directive, INCLUDE:                    Directory Options.
* directory, options:                    Directory Options.
* directory, search paths for inclusion: Directory Options.
* disabled intrinsics:                   Intrinsic Groups.
* disk full <1>:                         Output Assumed To Flush.
* disk full:                             Always Flush Output.
* displaying main source code:           Known Bugs.
* disposition of files:                  OPEN CLOSE and INQUIRE Keywords.
* distensions:                           Distensions.
* DLog intrinsic:                        DLog Intrinsic.
* DLog10 intrinsic:                      DLog10 Intrinsic.
* DMax1 intrinsic:                       DMax1 Intrinsic.
* DMin1 intrinsic:                       DMin1 Intrinsic.
* DMod intrinsic:                        DMod Intrinsic.
* DNInt intrinsic:                       DNInt Intrinsic.
* DNRM2:                                 News.
* DO:                                    DO WHILE.
* DO loops, one-trip:                    Fortran Dialect Options.
* DO loops, zero-trip:                   Fortran Dialect Options.
* DO statement <1>:                      Loops.
* DO statement:                          Warning Options.
* DO WHILE <1>:                          DO WHILE.
* DO WHILE:                              Optimize Options.
* dollar sign <1>:                       Fortran Dialect Options.
* dollar sign <2>:                       I/O.
* dollar sign:                           Dollar Signs.
* Dot_Product intrinsic:                 Dot_Product Intrinsic.
* DOUBLE COMPLEX:                        DOUBLE COMPLEX.
* DOUBLE COMPLEX type:                   Compiler Types.
* DOUBLE PRECISION type:                 Compiler Types.
* double quote:                          Character Set.
* double quoted character constants <1>: Fortran 90 Features.
* double quoted character constants:     Character Type.
* double quotes:                         Double Quote Meaning.
* double-precision performance <1>:      News.
* double-precision performance:          Changes.
* DProd intrinsic:                       DProd Intrinsic.
* DReal intrinsic:                       DReal Intrinsic.
* driver, gcc command as:                What is GNU Fortran?.
* DSign intrinsic:                       DSign Intrinsic.
* DSin intrinsic:                        DSin Intrinsic.
* DSinD intrinsic:                       DSinD Intrinsic.
* DSinH intrinsic:                       DSinH Intrinsic.
* DSqRt intrinsic:                       DSqRt Intrinsic.
* DTan intrinsic:                        DTan Intrinsic.
* DTanD intrinsic:                       DTanD Intrinsic.
* DTanH intrinsic:                       DTanH Intrinsic.
* DTime intrinsic <1>:                   DTime Intrinsic (function).
* DTime intrinsic:                       DTime Intrinsic (subroutine).
* dummies, unused:                       Warning Options.
* edit descriptor, <>:                   I/O.
* edit descriptor, O:                    I/O.
* edit descriptor, Q:                    Q Edit Descriptor.
* edit descriptor, Z <1>:                I/O.
* edit descriptor, Z:                    Fortran 90 Features.
* effecting IMPLICIT NONE:               Warning Options.
* efficiency:                            Efficiency.
* ELF support:                           News.
* empty CHARACTER strings:               Character Type.
* enabled intrinsics:                    Intrinsic Groups.
* ENCODE statement:                      ENCODE and DECODE.
* END DO:                                END DO.
* entry points:                          Alternate Entry Points.
* ENTRY statement:                       Alternate Entry Points.
* environment variables:                 Environment Variables.
* EOShift intrinsic:                     EOShift Intrinsic.
* Epsilon intrinsic:                     Epsilon Intrinsic.
* equivalence areas <1>:                 Known Bugs.
* equivalence areas <2>:                 Debugging Options.
* equivalence areas <3>:                 Known Bugs.
* equivalence areas:                     Local Equivalence Areas.
* EQUIVALENCE statement:                 Local Equivalence Areas.
* ErF intrinsic:                         ErF Intrinsic.
* ErFC intrinsic:                        ErFC Intrinsic.
* error messages <1>:                    Warnings and Errors.
* error messages:                        Run-time Library Errors.
* error messages, incorrect:             What is GNU Fortran?.
* error values:                          Run-time Library Errors.
* errors, linker:                        Large Common Blocks.
* ETime intrinsic <1>:                   ETime Intrinsic (function).
* ETime intrinsic:                       ETime Intrinsic (subroutine).
* exceptions, floating-point:            Floating-point Exception Handling.
* exclamation point <1>:                 Exclamation Point.
* exclamation point <2>:                 Statements Comments Lines.
* exclamation point <3>:                 LEX.
* exclamation point <4>:                 Character Set.
* exclamation point:                     Trailing Comment.
* executable file:                       What is GNU Fortran?.
* Exit intrinsic:                        Exit Intrinsic.
* EXIT statement:                        CYCLE and EXIT.
* Exp intrinsic:                         Exp Intrinsic.
* Exponent intrinsic:                    Exponent Intrinsic.
* extended-source option:                Fortran Dialect Options.
* extensions, file name:                 Overall Options.
* extensions, from Fortran 90:           Fortran 90 Features.
* extensions, more:                      More Extensions.
* extensions, VXT:                       VXT Fortran.
* external names:                        Mangling of Names.
* extra warnings:                        Warning Options.
* f2c:                                   Increasing Precision/Range.
* f2c compatibility <1>:                 Code Gen Options.
* f2c compatibility <2>:                 Debugging and Interfacing.
* f2c compatibility <3>:                 Overall Options.
* f2c compatibility <4>:                 Shorthand Options.
* f2c compatibility <5>:                 Avoid f2c Compatibility.
* f2c compatibility:                     Block Data and Libraries.
* f2c intrinsics:                        Fortran Dialect Options.
* f2c intrinsics group:                  Intrinsic Groups.
* f77 compatibility:                     Shorthand Options.
* f77 support:                           Backslash in Constants.
* f771, linking error for:               Missing strtoul or bsearch.
* f771, program:                         What is GNU Fortran?.
* f90 intrinsics group:                  Intrinsic Groups.
* fatal signal:                          Bug Criteria.
* FDate intrinsic <1>:                   FDate Intrinsic (subroutine).
* FDate intrinsic:                       FDate Intrinsic (function).
* features, language:                    Direction of Language Development.
* features, ugly <1>:                    Shorthand Options.
* features, ugly:                        Distensions.
* FFE <1>:                               Front End.
* FFE:                                   What is GNU Fortran?.
* FFECOM_sizeMAXSTACKITEM:               Maximum Stackable Size.
* fflush() <1>:                          Always Flush Output.
* fflush():                              Output Assumed To Flush.
* FGet intrinsic <1>:                    FGet Intrinsic (function).
* FGet intrinsic:                        FGet Intrinsic (subroutine).
* FGetC intrinsic <1>:                   FGetC Intrinsic (subroutine).
* FGetC intrinsic:                       FGetC Intrinsic (function).
* file format not recognized:            What is GNU Fortran?.
* file formats:                          Portable Unformatted Files.
* file name extension:                   Overall Options.
* file name suffix:                      Overall Options.
* file type:                             Overall Options.
* file, source <1>:                      What is GNU Fortran?.
* file, source <2>:                      Source Form.
* file, source:                          Lines.
* files, executable:                     What is GNU Fortran?.
* fixed form <1>:                        Source Form.
* fixed form <2>:                        Fortran Dialect Options.
* fixed form <3>:                        Lines.
* fixed form:                            Fortran Dialect Options.
* Float intrinsic:                       Float Intrinsic.
* FloatI intrinsic:                      FloatI Intrinsic.
* floating-point bit patterns:           Floating-point Bit Patterns.
* floating-point errors:                 Floating-point Errors.
* floating-point, errors:                Inconsistent Calling Sequences.
* floating-point, exceptions:            Floating-point Exception Handling.
* floating-point, precision <1>:         Floating-point precision.
* floating-point, precision:             Optimize Options.
* FloatJ intrinsic:                      FloatJ Intrinsic.
* Floor intrinsic:                       Floor Intrinsic.
* Flush intrinsic:                       Flush Intrinsic.
* flushing output <1>:                   Output Assumed To Flush.
* flushing output:                       Always Flush Output.
* FNum intrinsic:                        FNum Intrinsic.
* FORM='PRINT':                          OPEN CLOSE and INQUIRE Keywords.
* FORMAT descriptors <1>:                Fortran 90 Features.
* FORMAT descriptors:                    I/O.
* FORMAT statement <1>:                  Expressions in FORMAT Statements.
* FORMAT statement:                      Q Edit Descriptor.
* FORTRAN 66 <1>:                        Shorthand Options.
* FORTRAN 66:                            Fortran Dialect Options.
* FORTRAN 77 compatibility:              Standard Support.
* Fortran 90:                            Fortran 90 Features.
* Fortran 90, compatibility:             Fortran 90.
* Fortran 90, features:                  Fortran Dialect Options.
* Fortran 90, intrinsics:                Fortran Dialect Options.
* Fortran 90, support:                   Fortran 90 Support.
* Fortran preprocessor:                  Overall Options.
* forward references:                    GLOBALS.
* FPE handling:                          Floating-point Exception Handling.
* FPut intrinsic <1>:                    FPut Intrinsic (subroutine).
* FPut intrinsic:                        FPut Intrinsic (function).
* FPutC intrinsic <1>:                   FPutC Intrinsic (subroutine).
* FPutC intrinsic:                       FPutC Intrinsic (function).
* Fraction intrinsic:                    Fraction Intrinsic.
* free form <1>:                         Fortran Dialect Options.
* free form <2>:                         Source Form.
* free form:                             Lines.
* front end, g77 <1>:                    Front End.
* front end, g77:                        What is GNU Fortran?.
* FSeek intrinsic:                       FSeek Intrinsic.
* FSF, funding the:                      Funding GNU Fortran.
* FStat intrinsic <1>:                   FStat Intrinsic (subroutine).
* FStat intrinsic:                       FStat Intrinsic (function).
* FTell intrinsic <1>:                   FTell Intrinsic (subroutine).
* FTell intrinsic:                       FTell Intrinsic (function).
* function references, in adjustable array bounds: Array Bounds Expressions.
* FUNCTION statement <1>:                Procedures.
* FUNCTION statement:                    Functions.
* functions:                             Functions.
* functions, mistyped:                   Not My Type.
* funding improvements:                  Funding GNU Fortran.
* funding the FSF:                       Funding GNU Fortran.
* g77 options, --driver <1>:             Changes.
* g77 options, --driver <2>:             News.
* g77 options, --driver:                 Changes.
* g77 options, -v:                       G77 and GCC.
* g77, command <1>:                      What is GNU Fortran?.
* g77, command:                          G77 and GCC.
* g77, components of:                    What is GNU Fortran?.
* g77, front end <1>:                    What is GNU Fortran?.
* g77, front end:                        Front End.
* G77_date_y2kbuggy_0:                   Year 2000 (Y2K) Problems.
* G77_vxtidate_y2kbuggy_0:               Year 2000 (Y2K) Problems.
* GBE <1>:                               What is GNU Fortran?.
* GBE <2>:                               Patching GNU CC.
* GBE:                                   Philosophy of Code Generation.
* GBEL:                                  Philosophy of Code Generation.
* gcc, back end <1>:                     Philosophy of Code Generation.
* gcc, back end:                         What is GNU Fortran?.
* gcc, building:                         Building GNU CC Necessary.
* gcc, command <1>:                      G77 and GCC.
* gcc, command:                          What is GNU Fortran?.
* gcc, command as driver:                What is GNU Fortran?.
* gcc, not recognizing Fortran source:   What is GNU Fortran?.
* gdb, command:                          What is GNU Fortran?.
* gdb, support:                          Debugger Problems.
* generic intrinsics:                    Generics and Specifics.
* GError intrinsic:                      GError Intrinsic.
* GetArg intrinsic <1>:                  Main Program Unit.
* GetArg intrinsic:                      GetArg Intrinsic.
* GetCWD intrinsic <1>:                  GetCWD Intrinsic (subroutine).
* GetCWD intrinsic:                      GetCWD Intrinsic (function).
* GetEnv intrinsic:                      GetEnv Intrinsic.
* GetGId intrinsic:                      GetGId Intrinsic.
* GetLog intrinsic:                      GetLog Intrinsic.
* GetPId intrinsic:                      GetPId Intrinsic.
* getting started:                       Getting Started.
* GetUId intrinsic:                      GetUId Intrinsic.
* global names, warning <1>:             Warning Options.
* global names, warning:                 Code Gen Options.
* GMTime intrinsic:                      GMTime Intrinsic.
* GNU Back End (GBE) <1>:                What is GNU Fortran?.
* GNU Back End (GBE):                    Philosophy of Code Generation.
* GNU Back End Language (GBEL):          Philosophy of Code Generation.
* GNU C required:                        GNU C Required.
* GNU Fortran command options:           Invoking G77.
* GNU Fortran Front End (FFE) <1>:       Front End.
* GNU Fortran Front End (FFE):           What is GNU Fortran?.
* gnu intrinsics group:                  Intrinsic Groups.
* GOTO statement:                        Assigned Statement Labels.
* groups of intrinsics:                  Intrinsic Groups.
* hardware errors:                       Signal 11 and Friends.
* hash mark:                             Character Set.
* HDF:                                   Portable Unformatted Files.
* hidden intrinsics:                     Intrinsic Groups.
* Hollerith constants <1>:               Fortran Dialect Options.
* Hollerith constants <2>:               Ugly Implicit Argument Conversion.
* Hollerith constants <3>:               Character and Hollerith Constants.
* Hollerith constants:                   Ugly Conversion of Initializers.
* horizontal tab:                        Tabs.
* HostNm intrinsic <1>:                  HostNm Intrinsic (function).
* HostNm intrinsic:                      HostNm Intrinsic (subroutine).
* Huge intrinsic:                        Huge Intrinsic.
* I/O, errors:                           Run-time Library Errors.
* I/O, flushing <1>:                     Always Flush Output.
* I/O, flushing:                         Output Assumed To Flush.
* IAbs intrinsic:                        IAbs Intrinsic.
* IAChar intrinsic:                      IAChar Intrinsic.
* IAnd intrinsic:                        IAnd Intrinsic.
* IArgC intrinsic <1>:                   IArgC Intrinsic.
* IArgC intrinsic:                       Main Program Unit.
* IBClr intrinsic:                       IBClr Intrinsic.
* IBits intrinsic:                       IBits Intrinsic.
* IBSet intrinsic:                       IBSet Intrinsic.
* IChar intrinsic:                       IChar Intrinsic.
* IDate intrinsic <1>:                   IDate Intrinsic (VXT).
* IDate intrinsic:                       IDate Intrinsic (UNIX).
* IDiM intrinsic:                        IDiM Intrinsic.
* IDInt intrinsic:                       IDInt Intrinsic.
* IDNInt intrinsic:                      IDNInt Intrinsic.
* IEEE 754 conformance <1>:              Floating-point precision.
* IEEE 754 conformance:                  Optimize Options.
* IEOr intrinsic:                        IEOr Intrinsic.
* IErrNo intrinsic:                      IErrNo Intrinsic.
* IFix intrinsic:                        IFix Intrinsic.
* ignoring LANGUAGES macro:              LANGUAGES Macro Ignored.
* IIAbs intrinsic:                       IIAbs Intrinsic.
* IIAnd intrinsic:                       IIAnd Intrinsic.
* IIBClr intrinsic:                      IIBClr Intrinsic.
* IIBits intrinsic:                      IIBits Intrinsic.
* IIBSet intrinsic:                      IIBSet Intrinsic.
* IIDiM intrinsic:                       IIDiM Intrinsic.
* IIDInt intrinsic:                      IIDInt Intrinsic.
* IIDNnt intrinsic:                      IIDNnt Intrinsic.
* IIEOr intrinsic:                       IIEOr Intrinsic.
* IIFix intrinsic:                       IIFix Intrinsic.
* IInt intrinsic:                        IInt Intrinsic.
* IIOr intrinsic:                        IIOr Intrinsic.
* IIQint intrinsic:                      IIQint Intrinsic.
* IIQNnt intrinsic:                      IIQNnt Intrinsic.
* IIShftC intrinsic:                     IIShftC Intrinsic.
* IISign intrinsic:                      IISign Intrinsic.
* illegal unit number <1>:               Larger File Unit Numbers.
* illegal unit number:                   Large File Unit Numbers.
* Imag intrinsic:                        Imag Intrinsic.
* imaginary part <1>:                    Complex Variables.
* imaginary part:                        Ugly Complex Part Extraction.
* ImagPart intrinsic:                    ImagPart Intrinsic.
* IMax0 intrinsic:                       IMax0 Intrinsic.
* IMax1 intrinsic:                       IMax1 Intrinsic.
* IMin0 intrinsic:                       IMin0 Intrinsic.
* IMin1 intrinsic:                       IMin1 Intrinsic.
* IMod intrinsic:                        IMod Intrinsic.
* IMPLICIT CHARACTER*(*) statement:      Limitation on Implicit Declarations.
* implicit declaration, warning:         Warning Options.
* IMPLICIT NONE, similar effect:         Warning Options.
* implicit typing:                       Not My Type.
* improvements, funding:                 Funding GNU Fortran.
* in-line code <1>:                      Code Gen Options.
* in-line code <2>:                      GLOBALS.
* in-line code <3>:                      Optimize Options.
* in-line code:                          What is GNU Fortran?.
* INCLUDE directive <1>:                 INCLUDE.
* INCLUDE directive <2>:                 Directory Options.
* INCLUDE directive <3>:                 Preprocessor Options.
* INCLUDE directive:                     Bug Reporting.
* included files:                        Bug Reporting.
* inclusion, directory search paths for: Directory Options.
* inconsistent floating-point results:   Floating-point Errors.
* incorrect diagnostics:                 What is GNU Fortran?.
* incorrect error messages:              What is GNU Fortran?.
* incorrect use of language:             What is GNU Fortran?.
* increasing maximum unit number <1>:    Larger File Unit Numbers.
* increasing maximum unit number:        Large File Unit Numbers.
* increasing precision:                  Increasing Precision/Range.
* increasing range:                      Increasing Precision/Range.
* Index intrinsic:                       Index Intrinsic.
* indexed (iterative) DO:                Optimize Options.
* infinite spaces printed:               Strange Behavior at Run Time.
* INInt intrinsic:                       INInt Intrinsic.
* initialization, bug:                   Known Bugs.
* initialization, of local variables:    Code Gen Options.
* initialization, run-time:              Startup Code.
* initialization, statement placement:   Initializing Before Specifying.
* INot intrinsic:                        INot Intrinsic.
* INQUIRE statement:                     OPEN CLOSE and INQUIRE Keywords.
* installation problems:                 Problems Installing.
* installation trouble:                  Trouble.
* installing, GNU Fortran:               Installation.
* Int intrinsic:                         Int Intrinsic.
* Int2 intrinsic:                        Int2 Intrinsic.
* Int8 intrinsic:                        Int8 Intrinsic.
* integer constants:                     Known Bugs.
* INTEGER(KIND=1) type:                  Compiler Types.
* INTEGER(KIND=2) type:                  Compiler Types.
* INTEGER(KIND=3) type:                  Compiler Types.
* INTEGER(KIND=6) type:                  Compiler Types.
* INTEGER*2 support:                     Popular Non-standard Types.
* INTEGER*8 support:                     Full Support for Compiler Types.
* Intel x86:                             News.
* interfacing:                           Debugging and Interfacing.
* internal consistency checks:           Overall Options.
* intrinsics, Abort:                     Abort Intrinsic.
* intrinsics, Abs:                       Abs Intrinsic.
* intrinsics, Access:                    Access Intrinsic.
* intrinsics, AChar:                     AChar Intrinsic.
* intrinsics, ACos:                      ACos Intrinsic.
* intrinsics, ACosD:                     ACosD Intrinsic.
* intrinsics, AdjustL:                   AdjustL Intrinsic.
* intrinsics, AdjustR:                   AdjustR Intrinsic.
* intrinsics, AImag <1>:                 REAL() and AIMAG() of Complex.
* intrinsics, AImag:                     AImag Intrinsic.
* intrinsics, AIMax0:                    AIMax0 Intrinsic.
* intrinsics, AIMin0:                    AIMin0 Intrinsic.
* intrinsics, AInt:                      AInt Intrinsic.
* intrinsics, AJMax0:                    AJMax0 Intrinsic.
* intrinsics, AJMin0:                    AJMin0 Intrinsic.
* intrinsics, Alarm:                     Alarm Intrinsic.
* intrinsics, All:                       All Intrinsic.
* intrinsics, Allocated:                 Allocated Intrinsic.
* intrinsics, ALog:                      ALog Intrinsic.
* intrinsics, ALog10:                    ALog10 Intrinsic.
* intrinsics, AMax0:                     AMax0 Intrinsic.
* intrinsics, AMax1:                     AMax1 Intrinsic.
* intrinsics, AMin0:                     AMin0 Intrinsic.
* intrinsics, AMin1:                     AMin1 Intrinsic.
* intrinsics, AMod:                      AMod Intrinsic.
* intrinsics, And <1>:                   And Intrinsic.
* intrinsics, And:                       Bit Operations on Floating-point Data.
* intrinsics, ANInt:                     ANInt Intrinsic.
* intrinsics, Any:                       Any Intrinsic.
* intrinsics, ASin:                      ASin Intrinsic.
* intrinsics, ASinD:                     ASinD Intrinsic.
* intrinsics, Associated:                Associated Intrinsic.
* intrinsics, ATan:                      ATan Intrinsic.
* intrinsics, ATan2:                     ATan2 Intrinsic.
* intrinsics, ATan2D:                    ATan2D Intrinsic.
* intrinsics, ATanD:                     ATanD Intrinsic.
* intrinsics, badu77:                    Fortran Dialect Options.
* intrinsics, BesJ0:                     BesJ0 Intrinsic.
* intrinsics, BesJ1:                     BesJ1 Intrinsic.
* intrinsics, BesJN:                     BesJN Intrinsic.
* intrinsics, BesY0:                     BesY0 Intrinsic.
* intrinsics, BesY1:                     BesY1 Intrinsic.
* intrinsics, BesYN:                     BesYN Intrinsic.
* intrinsics, Bit_Size:                  Bit_Size Intrinsic.
* intrinsics, BITest:                    BITest Intrinsic.
* intrinsics, BJTest:                    BJTest Intrinsic.
* intrinsics, BTest:                     BTest Intrinsic.
* intrinsics, CAbs:                      CAbs Intrinsic.
* intrinsics, CCos:                      CCos Intrinsic.
* intrinsics, CDAbs:                     CDAbs Intrinsic.
* intrinsics, CDCos:                     CDCos Intrinsic.
* intrinsics, CDExp:                     CDExp Intrinsic.
* intrinsics, CDLog:                     CDLog Intrinsic.
* intrinsics, CDSin:                     CDSin Intrinsic.
* intrinsics, CDSqRt:                    CDSqRt Intrinsic.
* intrinsics, Ceiling:                   Ceiling Intrinsic.
* intrinsics, CExp:                      CExp Intrinsic.
* intrinsics, Char:                      Char Intrinsic.
* intrinsics, ChDir <1>:                 ChDir Intrinsic (subroutine).
* intrinsics, ChDir:                     ChDir Intrinsic (function).
* intrinsics, ChMod <1>:                 ChMod Intrinsic (function).
* intrinsics, ChMod:                     ChMod Intrinsic (subroutine).
* intrinsics, CLog:                      CLog Intrinsic.
* intrinsics, Cmplx <1>:                 Cmplx Intrinsic.
* intrinsics, Cmplx:                     CMPLX() of DOUBLE PRECISION.
* intrinsics, Complex:                   Complex Intrinsic.
* intrinsics, COMPLEX:                   Fortran Dialect Options.
* intrinsics, Conjg:                     Conjg Intrinsic.
* intrinsics, context-sensitive:         Context-Sensitive Intrinsicness.
* intrinsics, Cos:                       Cos Intrinsic.
* intrinsics, CosD:                      CosD Intrinsic.
* intrinsics, CosH:                      CosH Intrinsic.
* intrinsics, Count:                     Count Intrinsic.
* intrinsics, CPU_Time:                  CPU_Time Intrinsic.
* intrinsics, CShift:                    CShift Intrinsic.
* intrinsics, CSin:                      CSin Intrinsic.
* intrinsics, CSqRt:                     CSqRt Intrinsic.
* intrinsics, CTime <1>:                 CTime Intrinsic (subroutine).
* intrinsics, CTime:                     CTime Intrinsic (function).
* intrinsics, DAbs:                      DAbs Intrinsic.
* intrinsics, DACos:                     DACos Intrinsic.
* intrinsics, DACosD:                    DACosD Intrinsic.
* intrinsics, DASin:                     DASin Intrinsic.
* intrinsics, DASinD:                    DASinD Intrinsic.
* intrinsics, DATan:                     DATan Intrinsic.
* intrinsics, DATan2:                    DATan2 Intrinsic.
* intrinsics, DATan2D:                   DATan2D Intrinsic.
* intrinsics, DATanD:                    DATanD Intrinsic.
* intrinsics, Date:                      Date Intrinsic.
* intrinsics, Date_and_Time:             Date_and_Time Intrinsic.
* intrinsics, DbesJ0:                    DbesJ0 Intrinsic.
* intrinsics, DbesJ1:                    DbesJ1 Intrinsic.
* intrinsics, DbesJN:                    DbesJN Intrinsic.
* intrinsics, DbesY0:                    DbesY0 Intrinsic.
* intrinsics, DbesY1:                    DbesY1 Intrinsic.
* intrinsics, DbesYN:                    DbesYN Intrinsic.
* intrinsics, Dble:                      Dble Intrinsic.
* intrinsics, DbleQ:                     DbleQ Intrinsic.
* intrinsics, DCmplx:                    DCmplx Intrinsic.
* intrinsics, DConjg:                    DConjg Intrinsic.
* intrinsics, DCos:                      DCos Intrinsic.
* intrinsics, DCosD:                     DCosD Intrinsic.
* intrinsics, DCosH:                     DCosH Intrinsic.
* intrinsics, DDiM:                      DDiM Intrinsic.
* intrinsics, deleted:                   Intrinsic Groups.
* intrinsics, DErF:                      DErF Intrinsic.
* intrinsics, DErFC:                     DErFC Intrinsic.
* intrinsics, DExp:                      DExp Intrinsic.
* intrinsics, DFloat:                    DFloat Intrinsic.
* intrinsics, DFlotI:                    DFlotI Intrinsic.
* intrinsics, DFlotJ:                    DFlotJ Intrinsic.
* intrinsics, Digits:                    Digits Intrinsic.
* intrinsics, DiM:                       DiM Intrinsic.
* intrinsics, DImag:                     DImag Intrinsic.
* intrinsics, DInt:                      DInt Intrinsic.
* intrinsics, disabled:                  Intrinsic Groups.
* intrinsics, DLog:                      DLog Intrinsic.
* intrinsics, DLog10:                    DLog10 Intrinsic.
* intrinsics, DMax1:                     DMax1 Intrinsic.
* intrinsics, DMin1:                     DMin1 Intrinsic.
* intrinsics, DMod:                      DMod Intrinsic.
* intrinsics, DNInt:                     DNInt Intrinsic.
* intrinsics, Dot_Product:               Dot_Product Intrinsic.
* intrinsics, DProd:                     DProd Intrinsic.
* intrinsics, DReal:                     DReal Intrinsic.
* intrinsics, DSign:                     DSign Intrinsic.
* intrinsics, DSin:                      DSin Intrinsic.
* intrinsics, DSinD:                     DSinD Intrinsic.
* intrinsics, DSinH:                     DSinH Intrinsic.
* intrinsics, DSqRt:                     DSqRt Intrinsic.
* intrinsics, DTan:                      DTan Intrinsic.
* intrinsics, DTanD:                     DTanD Intrinsic.
* intrinsics, DTanH:                     DTanH Intrinsic.
* intrinsics, DTime <1>:                 DTime Intrinsic (subroutine).
* intrinsics, DTime:                     DTime Intrinsic (function).
* intrinsics, enabled:                   Intrinsic Groups.
* intrinsics, EOShift:                   EOShift Intrinsic.
* intrinsics, Epsilon:                   Epsilon Intrinsic.
* intrinsics, ErF:                       ErF Intrinsic.
* intrinsics, ErFC:                      ErFC Intrinsic.
* intrinsics, ETime <1>:                 ETime Intrinsic (function).
* intrinsics, ETime:                     ETime Intrinsic (subroutine).
* intrinsics, Exit:                      Exit Intrinsic.
* intrinsics, Exp:                       Exp Intrinsic.
* intrinsics, Exponent:                  Exponent Intrinsic.
* intrinsics, f2c:                       Fortran Dialect Options.
* intrinsics, FDate <1>:                 FDate Intrinsic (subroutine).
* intrinsics, FDate:                     FDate Intrinsic (function).
* intrinsics, FGet <1>:                  FGet Intrinsic (subroutine).
* intrinsics, FGet:                      FGet Intrinsic (function).
* intrinsics, FGetC <1>:                 FGetC Intrinsic (subroutine).
* intrinsics, FGetC:                     FGetC Intrinsic (function).
* intrinsics, Float:                     Float Intrinsic.
* intrinsics, FloatI:                    FloatI Intrinsic.
* intrinsics, FloatJ:                    FloatJ Intrinsic.
* intrinsics, Floor:                     Floor Intrinsic.
* intrinsics, Flush:                     Flush Intrinsic.
* intrinsics, FNum:                      FNum Intrinsic.
* intrinsics, Fortran 90:                Fortran Dialect Options.
* intrinsics, FPut <1>:                  FPut Intrinsic (function).
* intrinsics, FPut:                      FPut Intrinsic (subroutine).
* intrinsics, FPutC <1>:                 FPutC Intrinsic (subroutine).
* intrinsics, FPutC:                     FPutC Intrinsic (function).
* intrinsics, Fraction:                  Fraction Intrinsic.
* intrinsics, FSeek:                     FSeek Intrinsic.
* intrinsics, FStat <1>:                 FStat Intrinsic (subroutine).
* intrinsics, FStat:                     FStat Intrinsic (function).
* intrinsics, FTell <1>:                 FTell Intrinsic (subroutine).
* intrinsics, FTell:                     FTell Intrinsic (function).
* intrinsics, generic:                   Generics and Specifics.
* intrinsics, GError:                    GError Intrinsic.
* intrinsics, GetArg <1>:                Main Program Unit.
* intrinsics, GetArg:                    GetArg Intrinsic.
* intrinsics, GetCWD <1>:                GetCWD Intrinsic (function).
* intrinsics, GetCWD:                    GetCWD Intrinsic (subroutine).
* intrinsics, GetEnv:                    GetEnv Intrinsic.
* intrinsics, GetGId:                    GetGId Intrinsic.
* intrinsics, GetLog:                    GetLog Intrinsic.
* intrinsics, GetPId:                    GetPId Intrinsic.
* intrinsics, GetUId:                    GetUId Intrinsic.
* intrinsics, GMTime:                    GMTime Intrinsic.
* intrinsics, groups:                    Intrinsic Groups.
* intrinsics, groups of:                 Intrinsic Groups.
* intrinsics, hidden:                    Intrinsic Groups.
* intrinsics, HostNm <1>:                HostNm Intrinsic (subroutine).
* intrinsics, HostNm:                    HostNm Intrinsic (function).
* intrinsics, Huge:                      Huge Intrinsic.
* intrinsics, IAbs:                      IAbs Intrinsic.
* intrinsics, IAChar:                    IAChar Intrinsic.
* intrinsics, IAnd:                      IAnd Intrinsic.
* intrinsics, IArgC <1>:                 IArgC Intrinsic.
* intrinsics, IArgC:                     Main Program Unit.
* intrinsics, IBClr:                     IBClr Intrinsic.
* intrinsics, IBits:                     IBits Intrinsic.
* intrinsics, IBSet:                     IBSet Intrinsic.
* intrinsics, IChar:                     IChar Intrinsic.
* intrinsics, IDate <1>:                 IDate Intrinsic (VXT).
* intrinsics, IDate:                     IDate Intrinsic (UNIX).
* intrinsics, IDiM:                      IDiM Intrinsic.
* intrinsics, IDInt:                     IDInt Intrinsic.
* intrinsics, IDNInt:                    IDNInt Intrinsic.
* intrinsics, IEOr:                      IEOr Intrinsic.
* intrinsics, IErrNo:                    IErrNo Intrinsic.
* intrinsics, IFix:                      IFix Intrinsic.
* intrinsics, IIAbs:                     IIAbs Intrinsic.
* intrinsics, IIAnd:                     IIAnd Intrinsic.
* intrinsics, IIBClr:                    IIBClr Intrinsic.
* intrinsics, IIBits:                    IIBits Intrinsic.
* intrinsics, IIBSet:                    IIBSet Intrinsic.
* intrinsics, IIDiM:                     IIDiM Intrinsic.
* intrinsics, IIDInt:                    IIDInt Intrinsic.
* intrinsics, IIDNnt:                    IIDNnt Intrinsic.
* intrinsics, IIEOr:                     IIEOr Intrinsic.
* intrinsics, IIFix:                     IIFix Intrinsic.
* intrinsics, IInt:                      IInt Intrinsic.
* intrinsics, IIOr:                      IIOr Intrinsic.
* intrinsics, IIQint:                    IIQint Intrinsic.
* intrinsics, IIQNnt:                    IIQNnt Intrinsic.
* intrinsics, IIShftC:                   IIShftC Intrinsic.
* intrinsics, IISign:                    IISign Intrinsic.
* intrinsics, Imag:                      Imag Intrinsic.
* intrinsics, ImagPart:                  ImagPart Intrinsic.
* intrinsics, IMax0:                     IMax0 Intrinsic.
* intrinsics, IMax1:                     IMax1 Intrinsic.
* intrinsics, IMin0:                     IMin0 Intrinsic.
* intrinsics, IMin1:                     IMin1 Intrinsic.
* intrinsics, IMod:                      IMod Intrinsic.
* intrinsics, Index:                     Index Intrinsic.
* intrinsics, INInt:                     INInt Intrinsic.
* intrinsics, INot:                      INot Intrinsic.
* intrinsics, Int:                       Int Intrinsic.
* intrinsics, Int2:                      Int2 Intrinsic.
* intrinsics, Int8:                      Int8 Intrinsic.
* intrinsics, IOr:                       IOr Intrinsic.
* intrinsics, IRand:                     IRand Intrinsic.
* intrinsics, IsaTty:                    IsaTty Intrinsic.
* intrinsics, IShft:                     IShft Intrinsic.
* intrinsics, IShftC:                    IShftC Intrinsic.
* intrinsics, ISign:                     ISign Intrinsic.
* intrinsics, ITime:                     ITime Intrinsic.
* intrinsics, IZExt:                     IZExt Intrinsic.
* intrinsics, JIAbs:                     JIAbs Intrinsic.
* intrinsics, JIAnd:                     JIAnd Intrinsic.
* intrinsics, JIBClr:                    JIBClr Intrinsic.
* intrinsics, JIBits:                    JIBits Intrinsic.
* intrinsics, JIBSet:                    JIBSet Intrinsic.
* intrinsics, JIDiM:                     JIDiM Intrinsic.
* intrinsics, JIDInt:                    JIDInt Intrinsic.
* intrinsics, JIDNnt:                    JIDNnt Intrinsic.
* intrinsics, JIEOr:                     JIEOr Intrinsic.
* intrinsics, JIFix:                     JIFix Intrinsic.
* intrinsics, JInt:                      JInt Intrinsic.
* intrinsics, JIOr:                      JIOr Intrinsic.
* intrinsics, JIQint:                    JIQint Intrinsic.
* intrinsics, JIQNnt:                    JIQNnt Intrinsic.
* intrinsics, JIShft:                    JIShft Intrinsic.
* intrinsics, JIShftC:                   JIShftC Intrinsic.
* intrinsics, JISign:                    JISign Intrinsic.
* intrinsics, JMax0:                     JMax0 Intrinsic.
* intrinsics, JMax1:                     JMax1 Intrinsic.
* intrinsics, JMin0:                     JMin0 Intrinsic.
* intrinsics, JMin1:                     JMin1 Intrinsic.
* intrinsics, JMod:                      JMod Intrinsic.
* intrinsics, JNInt:                     JNInt Intrinsic.
* intrinsics, JNot:                      JNot Intrinsic.
* intrinsics, JZExt:                     JZExt Intrinsic.
* intrinsics, Kill <1>:                  Kill Intrinsic (subroutine).
* intrinsics, Kill:                      Kill Intrinsic (function).
* intrinsics, Kind:                      Kind Intrinsic.
* intrinsics, LBound:                    LBound Intrinsic.
* intrinsics, Len:                       Len Intrinsic.
* intrinsics, Len_Trim:                  Len_Trim Intrinsic.
* intrinsics, LGe:                       LGe Intrinsic.
* intrinsics, LGt:                       LGt Intrinsic.
* intrinsics, Link <1>:                  Link Intrinsic (subroutine).
* intrinsics, Link:                      Link Intrinsic (function).
* intrinsics, LLe:                       LLe Intrinsic.
* intrinsics, LLt:                       LLt Intrinsic.
* intrinsics, LnBlnk:                    LnBlnk Intrinsic.
* intrinsics, Loc:                       Loc Intrinsic.
* intrinsics, Log:                       Log Intrinsic.
* intrinsics, Log10:                     Log10 Intrinsic.
* intrinsics, Logical:                   Logical Intrinsic.
* intrinsics, Long:                      Long Intrinsic.
* intrinsics, LShift:                    LShift Intrinsic.
* intrinsics, LStat <1>:                 LStat Intrinsic (function).
* intrinsics, LStat:                     LStat Intrinsic (subroutine).
* intrinsics, LTime:                     LTime Intrinsic.
* intrinsics, MatMul:                    MatMul Intrinsic.
* intrinsics, Max:                       Max Intrinsic.
* intrinsics, Max0:                      Max0 Intrinsic.
* intrinsics, Max1:                      Max1 Intrinsic.
* intrinsics, MaxExponent:               MaxExponent Intrinsic.
* intrinsics, MaxLoc:                    MaxLoc Intrinsic.
* intrinsics, MaxVal:                    MaxVal Intrinsic.
* intrinsics, MClock:                    MClock Intrinsic.
* intrinsics, MClock8:                   MClock8 Intrinsic.
* intrinsics, Merge:                     Merge Intrinsic.
* intrinsics, MIL-STD 1753:              Fortran Dialect Options.
* intrinsics, Min:                       Min Intrinsic.
* intrinsics, Min0:                      Min0 Intrinsic.
* intrinsics, Min1:                      Min1 Intrinsic.
* intrinsics, MinExponent:               MinExponent Intrinsic.
* intrinsics, MinLoc:                    MinLoc Intrinsic.
* intrinsics, MinVal:                    MinVal Intrinsic.
* intrinsics, Mod:                       Mod Intrinsic.
* intrinsics, Modulo:                    Modulo Intrinsic.
* intrinsics, MvBits:                    MvBits Intrinsic.
* intrinsics, Nearest:                   Nearest Intrinsic.
* intrinsics, NInt:                      NInt Intrinsic.
* intrinsics, Not:                       Not Intrinsic.
* intrinsics, Or <1>:                    Or Intrinsic.
* intrinsics, Or:                        Bit Operations on Floating-point Data.
* intrinsics, others:                    Other Intrinsics.
* intrinsics, Pack:                      Pack Intrinsic.
* intrinsics, PError:                    PError Intrinsic.
* intrinsics, Precision:                 Precision Intrinsic.
* intrinsics, Present:                   Present Intrinsic.
* intrinsics, Product:                   Product Intrinsic.
* intrinsics, QAbs:                      QAbs Intrinsic.
* intrinsics, QACos:                     QACos Intrinsic.
* intrinsics, QACosD:                    QACosD Intrinsic.
* intrinsics, QASin:                     QASin Intrinsic.
* intrinsics, QASinD:                    QASinD Intrinsic.
* intrinsics, QATan:                     QATan Intrinsic.
* intrinsics, QATan2:                    QATan2 Intrinsic.
* intrinsics, QATan2D:                   QATan2D Intrinsic.
* intrinsics, QATanD:                    QATanD Intrinsic.
* intrinsics, QCos:                      QCos Intrinsic.
* intrinsics, QCosD:                     QCosD Intrinsic.
* intrinsics, QCosH:                     QCosH Intrinsic.
* intrinsics, QDiM:                      QDiM Intrinsic.
* intrinsics, QExp:                      QExp Intrinsic.
* intrinsics, QExt:                      QExt Intrinsic.
* intrinsics, QExtD:                     QExtD Intrinsic.
* intrinsics, QFloat:                    QFloat Intrinsic.
* intrinsics, QInt:                      QInt Intrinsic.
* intrinsics, QLog:                      QLog Intrinsic.
* intrinsics, QLog10:                    QLog10 Intrinsic.
* intrinsics, QMax1:                     QMax1 Intrinsic.
* intrinsics, QMin1:                     QMin1 Intrinsic.
* intrinsics, QMod:                      QMod Intrinsic.
* intrinsics, QNInt:                     QNInt Intrinsic.
* intrinsics, QSin:                      QSin Intrinsic.
* intrinsics, QSinD:                     QSinD Intrinsic.
* intrinsics, QSinH:                     QSinH Intrinsic.
* intrinsics, QSqRt:                     QSqRt Intrinsic.
* intrinsics, QTan:                      QTan Intrinsic.
* intrinsics, QTanD:                     QTanD Intrinsic.
* intrinsics, QTanH:                     QTanH Intrinsic.
* intrinsics, Radix:                     Radix Intrinsic.
* intrinsics, Rand:                      Rand Intrinsic.
* intrinsics, Random_Number:             Random_Number Intrinsic.
* intrinsics, Random_Seed:               Random_Seed Intrinsic.
* intrinsics, Range:                     Range Intrinsic.
* intrinsics, Real <1>:                  Real Intrinsic.
* intrinsics, Real:                      REAL() and AIMAG() of Complex.
* intrinsics, RealPart:                  RealPart Intrinsic.
* intrinsics, Rename <1>:                Rename Intrinsic (function).
* intrinsics, Rename:                    Rename Intrinsic (subroutine).
* intrinsics, Repeat:                    Repeat Intrinsic.
* intrinsics, Reshape:                   Reshape Intrinsic.
* intrinsics, RRSpacing:                 RRSpacing Intrinsic.
* intrinsics, RShift:                    RShift Intrinsic.
* intrinsics, Scale:                     Scale Intrinsic.
* intrinsics, Scan:                      Scan Intrinsic.
* intrinsics, Secnds:                    Secnds Intrinsic.
* intrinsics, Second <1>:                Second Intrinsic (subroutine).
* intrinsics, Second:                    Second Intrinsic (function).
* intrinsics, Selected_Int_Kind:         Selected_Int_Kind Intrinsic.
* intrinsics, Selected_Real_Kind:        Selected_Real_Kind Intrinsic.
* intrinsics, Set_Exponent:              Set_Exponent Intrinsic.
* intrinsics, Shape:                     Shape Intrinsic.
* intrinsics, Shift:                     Bit Operations on Floating-point Data.
* intrinsics, Short:                     Short Intrinsic.
* intrinsics, Sign:                      Sign Intrinsic.
* intrinsics, Signal <1>:                Signal Intrinsic (function).
* intrinsics, Signal:                    Signal Intrinsic (subroutine).
* intrinsics, Sin:                       Sin Intrinsic.
* intrinsics, SinD:                      SinD Intrinsic.
* intrinsics, SinH:                      SinH Intrinsic.
* intrinsics, Sleep:                     Sleep Intrinsic.
* intrinsics, Sngl:                      Sngl Intrinsic.
* intrinsics, SnglQ:                     SnglQ Intrinsic.
* intrinsics, Spacing:                   Spacing Intrinsic.
* intrinsics, Spread:                    Spread Intrinsic.
* intrinsics, SqRt:                      SqRt Intrinsic.
* intrinsics, SRand:                     SRand Intrinsic.
* intrinsics, Stat <1>:                  Stat Intrinsic (function).
* intrinsics, Stat:                      Stat Intrinsic (subroutine).
* intrinsics, Sum:                       Sum Intrinsic.
* intrinsics, SymLnk <1>:                SymLnk Intrinsic (function).
* intrinsics, SymLnk:                    SymLnk Intrinsic (subroutine).
* intrinsics, System <1>:                System Intrinsic (subroutine).
* intrinsics, System:                    System Intrinsic (function).
* intrinsics, System_Clock:              System_Clock Intrinsic.
* intrinsics, table of:                  Table of Intrinsic Functions.
* intrinsics, Tan:                       Tan Intrinsic.
* intrinsics, TanD:                      TanD Intrinsic.
* intrinsics, TanH:                      TanH Intrinsic.
* intrinsics, Time <1>:                  Time Intrinsic (UNIX).
* intrinsics, Time:                      Time Intrinsic (VXT).
* intrinsics, Time8:                     Time8 Intrinsic.
* intrinsics, Tiny:                      Tiny Intrinsic.
* intrinsics, Transfer:                  Transfer Intrinsic.
* intrinsics, Transpose:                 Transpose Intrinsic.
* intrinsics, Trim:                      Trim Intrinsic.
* intrinsics, TtyNam <1>:                TtyNam Intrinsic (subroutine).
* intrinsics, TtyNam:                    TtyNam Intrinsic (function).
* intrinsics, UBound:                    UBound Intrinsic.
* intrinsics, UMask <1>:                 UMask Intrinsic (subroutine).
* intrinsics, UMask:                     UMask Intrinsic (function).
* intrinsics, UNIX:                      Fortran Dialect Options.
* intrinsics, Unlink <1>:                Unlink Intrinsic (function).
* intrinsics, Unlink:                    Unlink Intrinsic (subroutine).
* intrinsics, Unpack:                    Unpack Intrinsic.
* intrinsics, Verify:                    Verify Intrinsic.
* intrinsics, VXT:                       Fortran Dialect Options.
* intrinsics, XOr:                       XOr Intrinsic.
* intrinsics, ZAbs:                      ZAbs Intrinsic.
* intrinsics, ZCos:                      ZCos Intrinsic.
* intrinsics, ZExp:                      ZExp Intrinsic.
* intrinsics, ZExt:                      ZExt Intrinsic.
* intrinsics, ZLog:                      ZLog Intrinsic.
* intrinsics, ZSin:                      ZSin Intrinsic.
* intrinsics, ZSqRt:                     ZSqRt Intrinsic.
* Introduction:                          Top.
* invalid assembly code:                 Bug Criteria.
* invalid input:                         Bug Criteria.
* IOr intrinsic:                         IOr Intrinsic.
* IOSTAT=:                               Run-time Library Errors.
* IRand intrinsic:                       IRand Intrinsic.
* IsaTty intrinsic:                      IsaTty Intrinsic.
* IShft intrinsic:                       IShft Intrinsic.
* IShftC intrinsic:                      IShftC Intrinsic.
* ISign intrinsic:                       ISign Intrinsic.
* iterative DO:                          Optimize Options.
* ITime intrinsic:                       ITime Intrinsic.
* ix86 floating-point:                   Floating-point precision.
* ix86 FPU stack:                        Inconsistent Calling Sequences.
* IZExt intrinsic:                       IZExt Intrinsic.
* JCB002 program:                        Generics and Specifics.
* JCB003 program:                        CMPAMBIG.
* JIAbs intrinsic:                       JIAbs Intrinsic.
* JIAnd intrinsic:                       JIAnd Intrinsic.
* JIBClr intrinsic:                      JIBClr Intrinsic.
* JIBits intrinsic:                      JIBits Intrinsic.
* JIBSet intrinsic:                      JIBSet Intrinsic.
* JIDiM intrinsic:                       JIDiM Intrinsic.
* JIDInt intrinsic:                      JIDInt Intrinsic.
* JIDNnt intrinsic:                      JIDNnt Intrinsic.
* JIEOr intrinsic:                       JIEOr Intrinsic.
* JIFix intrinsic:                       JIFix Intrinsic.
* JInt intrinsic:                        JInt Intrinsic.
* JIOr intrinsic:                        JIOr Intrinsic.
* JIQint intrinsic:                      JIQint Intrinsic.
* JIQNnt intrinsic:                      JIQNnt Intrinsic.
* JIShft intrinsic:                      JIShft Intrinsic.
* JIShftC intrinsic:                     JIShftC Intrinsic.
* JISign intrinsic:                      JISign Intrinsic.
* JMax0 intrinsic:                       JMax0 Intrinsic.
* JMax1 intrinsic:                       JMax1 Intrinsic.
* JMin0 intrinsic:                       JMin0 Intrinsic.
* JMin1 intrinsic:                       JMin1 Intrinsic.
* JMod intrinsic:                        JMod Intrinsic.
* JNInt intrinsic:                       JNInt Intrinsic.
* JNot intrinsic:                        JNot Intrinsic.
* JZExt intrinsic:                       JZExt Intrinsic.
* keywords, RECURSIVE:                   RECURSIVE Keyword.
* Kill intrinsic <1>:                    Kill Intrinsic (subroutine).
* Kill intrinsic:                        Kill Intrinsic (function).
* Kind intrinsic:                        Kind Intrinsic.
* KIND= notation:                        Kind Notation.
* known causes of trouble:               Trouble.
* lack of recursion:                     RECURSIVE Keyword.
* language, dialect options:             Fortran Dialect Options.
* language, features:                    Direction of Language Development.
* language, incorrect use of:            What is GNU Fortran?.
* LANGUAGES macro ignored:               LANGUAGES Macro Ignored.
* large aggregate areas:                 Known Bugs.
* large common blocks:                   Large Common Blocks.
* large initialization:                  Large Initialization.
* layout of COMMON blocks:               Aligned Data.
* LBound intrinsic:                      LBound Intrinsic.
* ld command:                            What is GNU Fortran?.
* ld, can't find _bsearch:               Missing strtoul or bsearch.
* ld, can't find _main:                  Cannot Link Fortran Programs.
* ld, can't find _strtoul:               Missing strtoul or bsearch.
* ld, can't find strange names:          Cannot Link Fortran Programs.
* ld, error linking f771:                Missing strtoul or bsearch.
* ld, error linking user code:           Cannot Link Fortran Programs.
* ld, errors:                            Large Common Blocks.
* left angle:                            Character Set.
* left bracket:                          Character Set.
* legacy code:                           Collected Fortran Wisdom.
* Len intrinsic:                         Len Intrinsic.
* Len_Trim intrinsic:                    Len_Trim Intrinsic.
* length of source lines:                Fortran Dialect Options.
* letters, lowercase:                    Case Sensitivity.
* letters, uppercase:                    Case Sensitivity.
* LGe intrinsic:                         LGe Intrinsic.
* LGt intrinsic:                         LGt Intrinsic.
* libc, non-ANSI or non-default:         Strange Behavior at Run Time.
* libf2c library:                        What is GNU Fortran?.
* libg2c library:                        What is GNU Fortran?.
* libraries:                             What is GNU Fortran?.
* libraries, containing BLOCK DATA:      Block Data and Libraries.
* libraries, libf2c:                     What is GNU Fortran?.
* libraries, libg2c:                     What is GNU Fortran?.
* limits, array dimensions:              Compiler Limits.
* limits, array size:                    Array Size.
* limits, compiler:                      Compiler Limits.
* limits, continuation lines <1>:        Compiler Limits.
* limits, continuation lines:            Continuation Line.
* limits, lengths of names <1>:          Compiler Limits.
* limits, lengths of names:              Syntactic Items.
* limits, lengths of source lines:       Fortran Dialect Options.
* limits, multi-dimension arrays:        Array Size.
* limits, on character-variable length:  Character-variable Length.
* limits, rank:                          Compiler Limits.
* limits, run-time library:              Run-time Environment Limits.
* limits, timings <1>:                   Secnds Intrinsic.
* limits, timings <2>:                   DTime Intrinsic (subroutine).
* limits, timings <3>:                   ETime Intrinsic (subroutine).
* limits, timings <4>:                   ETime Intrinsic (function).
* limits, timings <5>:                   Second Intrinsic (function).
* limits, timings <6>:                   Second Intrinsic (subroutine).
* limits, timings <7>:                   CPU_Time Intrinsic.
* limits, timings <8>:                   MClock8 Intrinsic.
* limits, timings <9>:                   System_Clock Intrinsic.
* limits, timings <10>:                  Time Intrinsic (UNIX).
* limits, timings <11>:                  Time8 Intrinsic.
* limits, timings <12>:                  DTime Intrinsic (function).
* limits, timings:                       MClock Intrinsic.
* limits, Y10K <1>:                      Date_and_Time Intrinsic.
* limits, Y10K <2>:                      IDate Intrinsic (UNIX).
* limits, Y10K <3>:                      Time Intrinsic (VXT).
* limits, Y10K <4>:                      FDate Intrinsic (subroutine).
* limits, Y10K:                          FDate Intrinsic (function).
* limits, Y2K:                           IDate Intrinsic (VXT).
* lines:                                 Lines.
* lines, continuation:                   Continuation Line.
* lines, length:                         Fortran Dialect Options.
* lines, long:                           Long Lines.
* lines, short:                          Short Lines.
* Link intrinsic <1>:                    Link Intrinsic (subroutine).
* Link intrinsic:                        Link Intrinsic (function).
* linking:                               What is GNU Fortran?.
* linking against non-standard library:  Strange Behavior at Run Time.
* linking error for f771:                Missing strtoul or bsearch.
* linking error for user code:           Cannot Link Fortran Programs.
* linking error, user code:              Cannot Link Fortran Programs.
* linking with C:                        Interoperating with C and C++.
* linking, errors:                       Large Common Blocks.
* LLe intrinsic:                         LLe Intrinsic.
* LLt intrinsic:                         LLt Intrinsic.
* LnBlnk intrinsic:                      LnBlnk Intrinsic.
* Loc intrinsic:                         Loc Intrinsic.
* local equivalence areas <1>:           Known Bugs.
* local equivalence areas:               Local Equivalence Areas.
* Log intrinsic:                         Log Intrinsic.
* Log10 intrinsic:                       Log10 Intrinsic.
* logical expressions, comparing:        Equivalence Versus Equality.
* Logical intrinsic:                     Logical Intrinsic.
* LOGICAL(KIND=1) type:                  Compiler Types.
* LOGICAL(KIND=2) type:                  Compiler Types.
* LOGICAL(KIND=3) type:                  Compiler Types.
* LOGICAL(KIND=6) type:                  Compiler Types.
* LOGICAL*1 support:                     Popular Non-standard Types.
* Long intrinsic:                        Long Intrinsic.
* long source lines:                     Long Lines.
* long time:                             Timer Wraparounds.
* loops, optimizing:                     Optimize Options.
* loops, speeding up:                    Optimize Options.
* loops, unrolling:                      Optimize Options.
* lowercase letters:                     Case Sensitivity.
* LShift intrinsic:                      LShift Intrinsic.
* LStat intrinsic <1>:                   LStat Intrinsic (function).
* LStat intrinsic:                       LStat Intrinsic (subroutine).
* LTime intrinsic:                       LTime Intrinsic.
* machine code:                          What is GNU Fortran?.
* macro options:                         Shorthand Options.
* main program unit, debugging:          Main Program Unit.
* main():                                Main Program Unit.
* MAIN__():                              Main Program Unit.
* make clean:                            Cleanup Kills Stage Directories.
* Makefile example:                      Bug Criteria.
* MAP statement:                         STRUCTURE UNION RECORD MAP.
* MatMul intrinsic:                      MatMul Intrinsic.
* Max intrinsic:                         Max Intrinsic.
* Max0 intrinsic:                        Max0 Intrinsic.
* Max1 intrinsic:                        Max1 Intrinsic.
* MaxExponent intrinsic:                 MaxExponent Intrinsic.
* maximum number of dimensions:          Compiler Limits.
* maximum rank:                          Compiler Limits.
* maximum stackable size:                Maximum Stackable Size.
* maximum unit number <1>:               Larger File Unit Numbers.
* maximum unit number:                   Large File Unit Numbers.
* MaxLoc intrinsic:                      MaxLoc Intrinsic.
* MaxVal intrinsic:                      MaxVal Intrinsic.
* MClock intrinsic:                      MClock Intrinsic.
* MClock8 intrinsic:                     MClock8 Intrinsic.
* memory usage, of compiler:             Known Bugs.
* memory utilization:                    Large Initialization.
* Merge intrinsic:                       Merge Intrinsic.
* messages, run-time:                    Run-time Library Errors.
* messages, warning:                     Warning Options.
* messages, warning and error:           Warnings and Errors.
* mil intrinsics group:                  Intrinsic Groups.
* MIL-STD 1753 <1>:                      END DO.
* MIL-STD 1753 <2>:                      Fortran Dialect Options.
* MIL-STD 1753 <3>:                      MIL-STD 1753.
* MIL-STD 1753:                          DO WHILE.
* Min intrinsic:                         Min Intrinsic.
* Min0 intrinsic:                        Min0 Intrinsic.
* Min1 intrinsic:                        Min1 Intrinsic.
* MinExponent intrinsic:                 MinExponent Intrinsic.
* MinLoc intrinsic:                      MinLoc Intrinsic.
* MinVal intrinsic:                      MinVal Intrinsic.
* missing debug features:                Debugging Options.
* mistakes:                              What is GNU Fortran?.
* mistyped functions:                    Not My Type.
* mistyped variables:                    Not My Type.
* Mod intrinsic:                         Mod Intrinsic.
* modifying g77:                         Overall Options.
* Modulo intrinsic:                      Modulo Intrinsic.
* multi-dimension arrays:                Array Size.
* MvBits intrinsic:                      MvBits Intrinsic.
* MXUNIT <1>:                            Larger File Unit Numbers.
* MXUNIT:                                Large File Unit Numbers.
* name space:                            Mangling of Names.
* NAMELIST statement:                    NAMELIST.
* naming conflicts:                      Multiple Definitions of External Names.
* naming issues:                         Mangling of Names.
* naming programs:                       Nothing Happens.
* NaN values:                            Floating-point Exception Handling.
* Nearest intrinsic:                     Nearest Intrinsic.
* negative forms of options:             Invoking G77.
* negative time:                         Timer Wraparounds.
* Netlib <1>:                            C Interfacing Tools.
* Netlib:                                Increasing Precision/Range.
* network file system <1>:               Output Assumed To Flush.
* network file system:                   Always Flush Output.
* new users:                             Getting Started.
* newbies:                               Getting Started.
* NeXTStep problems:                     NeXTStep Problems.
* NFS <1>:                               Output Assumed To Flush.
* NFS:                                   Always Flush Output.
* NInt intrinsic:                        NInt Intrinsic.
* nonportable conversions:               Nonportable Conversions.
* Not intrinsic:                         Not Intrinsic.
* nothing happens:                       Nothing Happens.
* null arguments:                        Ugly Null Arguments.
* null byte, trailing:                   Character and Hollerith Constants.
* null CHARACTER strings:                Character Type.
* number of continuation lines:          Continuation Line.
* number of dimensions, maximum:         Compiler Limits.
* number of trips:                       Loops.
* O edit descriptor:                     I/O.
* octal constants:                       Double Quote Meaning.
* omitting arguments:                    Ugly Null Arguments.
* one-trip DO loops:                     Fortran Dialect Options.
* open angle:                            Character Set.
* open bracket:                          Character Set.
* OPEN statement:                        OPEN CLOSE and INQUIRE Keywords.
* optimization, better:                  Better Optimization.
* optimization, for Pentium:             Aligned Data.
* optimize options:                      Optimize Options.
* options, --driver <1>:                 Changes.
* options, --driver:                     News.
* options, -falias-check <1>:            Aliasing Assumed To Work.
* options, -falias-check:                Code Gen Options.
* options, -fargument-alias <1>:         Aliasing Assumed To Work.
* options, -fargument-alias:             Code Gen Options.
* options, -fargument-noalias <1>:       Code Gen Options.
* options, -fargument-noalias:           Aliasing Assumed To Work.
* options, -fbadu77-intrinsics-delete:   Fortran Dialect Options.
* options, -fbadu77-intrinsics-disable:  Fortran Dialect Options.
* options, -fbadu77-intrinsics-enable:   Fortran Dialect Options.
* options, -fbadu77-intrinsics-hide:     Fortran Dialect Options.
* options, -fcaller-saves:               Optimize Options.
* options, -fcase-initcap:               Fortran Dialect Options.
* options, -fcase-lower:                 Fortran Dialect Options.
* options, -fcase-preserve:              Fortran Dialect Options.
* options, -fcase-strict-lower:          Fortran Dialect Options.
* options, -fcase-strict-upper:          Fortran Dialect Options.
* options, -fcase-upper:                 Fortran Dialect Options.
* options, -fdebug-kludge:               Code Gen Options.
* options, -fdelayed-branch:             Optimize Options.
* options, -fdollar-ok:                  Fortran Dialect Options.
* options, -femulate-complex:            Code Gen Options.
* options, -fexpensive-optimizations:    Optimize Options.
* options, -ff2c-intrinsics-delete:      Fortran Dialect Options.
* options, -ff2c-intrinsics-disable:     Fortran Dialect Options.
* options, -ff2c-intrinsics-enable:      Fortran Dialect Options.
* options, -ff2c-intrinsics-hide:        Fortran Dialect Options.
* options, -ff2c-library:                Code Gen Options.
* options, -ff66:                        Shorthand Options.
* options, -ff77:                        Shorthand Options.
* options, -ff90:                        Fortran Dialect Options.
* options, -ff90-intrinsics-delete:      Fortran Dialect Options.
* options, -ff90-intrinsics-disable:     Fortran Dialect Options.
* options, -ff90-intrinsics-enable:      Fortran Dialect Options.
* options, -ff90-intrinsics-hide:        Fortran Dialect Options.
* options, -ffast-math:                  Optimize Options.
* options, -ffixed-line-length-N:        Fortran Dialect Options.
* options, -ffloat-store:                Optimize Options.
* options, -fforce-addr:                 Optimize Options.
* options, -fforce-mem:                  Optimize Options.
* options, -ffree-form:                  Fortran Dialect Options.
* options, -fgnu-intrinsics-delete:      Fortran Dialect Options.
* options, -fgnu-intrinsics-disable:     Fortran Dialect Options.
* options, -fgnu-intrinsics-enable:      Fortran Dialect Options.
* options, -fgnu-intrinsics-hide:        Fortran Dialect Options.
* options, -fGROUP-intrinsics-hide:      Overly Convenient Options.
* options, -finit-local-zero <1>:        Overly Convenient Options.
* options, -finit-local-zero:            Code Gen Options.
* options, -fintrin-case-any:            Fortran Dialect Options.
* options, -fintrin-case-initcap:        Fortran Dialect Options.
* options, -fintrin-case-lower:          Fortran Dialect Options.
* options, -fintrin-case-upper:          Fortran Dialect Options.
* options, -fmatch-case-any:             Fortran Dialect Options.
* options, -fmatch-case-initcap:         Fortran Dialect Options.
* options, -fmatch-case-lower:           Fortran Dialect Options.
* options, -fmatch-case-upper:           Fortran Dialect Options.
* options, -fmil-intrinsics-delete:      Fortran Dialect Options.
* options, -fmil-intrinsics-disable:     Fortran Dialect Options.
* options, -fmil-intrinsics-enable:      Fortran Dialect Options.
* options, -fmil-intrinsics-hide:        Fortran Dialect Options.
* options, -fno-argument-noalias-global <1>: Aliasing Assumed To Work.
* options, -fno-argument-noalias-global: Code Gen Options.
* options, -fno-automatic <1>:           Overly Convenient Options.
* options, -fno-automatic:               Code Gen Options.
* options, -fno-backslash:               Fortran Dialect Options.
* options, -fno-common:                  Code Gen Options.
* options, -fno-f2c <1>:                 Code Gen Options.
* options, -fno-f2c:                     Avoid f2c Compatibility.
* options, -fno-f77:                     Shorthand Options.
* options, -fno-fixed-form:              Fortran Dialect Options.
* options, -fno-globals:                 Code Gen Options.
* options, -fno-ident:                   Code Gen Options.
* options, -fno-inline:                  Optimize Options.
* options, -fno-move-all-movables:       Optimize Options.
* options, -fno-reduce-all-givs:         Optimize Options.
* options, -fno-rerun-loop-opt:          Optimize Options.
* options, -fno-second-underscore:       Code Gen Options.
* options, -fno-silent:                  Overall Options.
* options, -fno-ugly:                    Shorthand Options.
* options, -fno-ugly-args:               Fortran Dialect Options.
* options, -fno-ugly-init:               Fortran Dialect Options.
* options, -fno-underscoring <1>:        Code Gen Options.
* options, -fno-underscoring:            Names.
* options, -fonetrip:                    Fortran Dialect Options.
* options, -fpack-struct:                Code Gen Options.
* options, -fpcc-struct-return:          Code Gen Options.
* options, -fpedantic:                   Warning Options.
* options, -fPIC:                        News.
* options, -freg-struct-return:          Code Gen Options.
* options, -frerun-cse-after-loop:       Optimize Options.
* options, -fschedule-insns:             Optimize Options.
* options, -fschedule-insns2:            Optimize Options.
* options, -fset-g77-defaults:           Overall Options.
* options, -fshort-double:               Code Gen Options.
* options, -fsource-case-lower:          Fortran Dialect Options.
* options, -fsource-case-preserve:       Fortran Dialect Options.
* options, -fsource-case-upper:          Fortran Dialect Options.
* options, -fstrength-reduce:            Optimize Options.
* options, -fsymbol-case-any:            Fortran Dialect Options.
* options, -fsymbol-case-initcap:        Fortran Dialect Options.
* options, -fsymbol-case-lower:          Fortran Dialect Options.
* options, -fsymbol-case-upper:          Fortran Dialect Options.
* options, -fsyntax-only:                Warning Options.
* options, -ftypeless-boz:               Fortran Dialect Options.
* options, -fugly:                       Shorthand Options.
* options, -fugly-assign:                Fortran Dialect Options.
* options, -fugly-assumed:               Fortran Dialect Options.
* options, -fugly-comma:                 Fortran Dialect Options.
* options, -fugly-complex:               Fortran Dialect Options.
* options, -fugly-logint:                Fortran Dialect Options.
* options, -funix-intrinsics-delete:     Fortran Dialect Options.
* options, -funix-intrinsics-disable:    Fortran Dialect Options.
* options, -funix-intrinsics-enable:     Fortran Dialect Options.
* options, -funix-intrinsics-hide:       Fortran Dialect Options.
* options, -funroll-all-loops:           Optimize Options.
* options, -funroll-loops:               Optimize Options.
* options, -fversion:                    Overall Options.
* options, -fvxt:                        Fortran Dialect Options.
* options, -fvxt-intrinsics-delete:      Fortran Dialect Options.
* options, -fvxt-intrinsics-disable:     Fortran Dialect Options.
* options, -fvxt-intrinsics-enable:      Fortran Dialect Options.
* options, -fvxt-intrinsics-hide:        Fortran Dialect Options.
* options, -fzeros:                      Code Gen Options.
* options, -g:                           Debugging Options.
* options, -I-:                          Directory Options.
* options, -Idir:                        Directory Options.
* options, -malign-double <1>:           Optimize Options.
* options, -malign-double:               Aligned Data.
* options, -Nl:                          Compiler Limits.
* options, -Nx:                          Compiler Limits.
* options, -pedantic:                    Warning Options.
* options, -pedantic-errors:             Warning Options.
* options, -v:                           G77 and GCC.
* options, -w:                           Warning Options.
* options, -W:                           Warning Options.
* options, -Waggregate-return:           Warning Options.
* options, -Wall:                        Warning Options.
* options, -Wcomment:                    Warning Options.
* options, -Wconversion:                 Warning Options.
* options, -Werror:                      Warning Options.
* options, -Wformat:                     Warning Options.
* options, -Wid-clash-LEN:               Warning Options.
* options, -Wimplicit:                   Warning Options.
* options, -Wlarger-than-LEN:            Warning Options.
* options, -Wno-globals:                 Warning Options.
* options, -Wparentheses:                Warning Options.
* options, -Wredundant-decls:            Warning Options.
* options, -Wshadow:                     Warning Options.
* options, -Wsurprising:                 Warning Options.
* options, -Wswitch:                     Warning Options.
* options, -Wtraditional:                Warning Options.
* options, -Wuninitialized:              Warning Options.
* options, -Wunused:                     Warning Options.
* options, -x f77-cpp-input:             LEX.
* options, adding:                       Adding Options.
* options, code generation:              Code Gen Options.
* options, debugging:                    Debugging Options.
* options, dialect:                      Fortran Dialect Options.
* options, directory search:             Directory Options.
* options, GNU Fortran command:          Invoking G77.
* options, macro:                        Shorthand Options.
* options, negative forms:               Invoking G77.
* options, optimization:                 Optimize Options.
* options, overall:                      Overall Options.
* options, overly convenient:            Overly Convenient Options.
* options, preprocessor:                 Preprocessor Options.
* options, shorthand:                    Shorthand Options.
* options, warnings:                     Warning Options.
* Or intrinsic <1>:                      Bit Operations on Floating-point Data.
* Or intrinsic:                          Or Intrinsic.
* order of evaluation, side effects:     Order of Side Effects.
* ordering, array:                       Arrays.
* other intrinsics:                      Other Intrinsics.
* output, flushing <1>:                  Output Assumed To Flush.
* output, flushing:                      Always Flush Output.
* overall options:                       Overall Options.
* overflow:                              Warning Options.
* overlapping arguments:                 Aliasing Assumed To Work.
* overlays:                              Aliasing Assumed To Work.
* overly convenient options:             Overly Convenient Options.
* overwritten data:                      Strange Behavior at Run Time.
* Pack intrinsic:                        Pack Intrinsic.
* padding:                               Known Bugs.
* parallel processing:                   Support for Threads.
* PARAMETER statement <1>:               Intrinsics in PARAMETER Statements.
* PARAMETER statement:                   Old-style PARAMETER Statements.
* parameters, unused:                    Warning Options.
* patch files:                           Patching GNU CC.
* paths, search:                         Directory Options.
* PDB:                                   Portable Unformatted Files.
* pedantic compilation:                  Pedantic Compilation.
* Pentium optimizations:                 Aligned Data.
* percent sign:                          Character Set.
* PError intrinsic:                      PError Intrinsic.
* placing initialization statements:     Initializing Before Specifying.
* POINTER statement:                     POINTER Statements.
* pointers <1>:                          Kind Notation.
* pointers:                              Ugly Assigned Labels.
* Poking the bear:                       Philosophy of Code Generation.
* porting, simplify:                     Simplify Porting.
* pound sign:                            Character Set.
* Precision intrinsic:                   Precision Intrinsic.
* precision, increasing:                 Increasing Precision/Range.
* prefix-radix constants:                Fortran Dialect Options.
* preprocessor <1>:                      LEX.
* preprocessor <2>:                      Overall Options.
* preprocessor <3>:                      Cpp-style directives.
* preprocessor <4>:                      Bug Reporting.
* preprocessor:                          What is GNU Fortran?.
* preprocessor options:                  Preprocessor Options.
* prerequisites:                         Prerequisites.
* Present intrinsic:                     Present Intrinsic.
* printing compilation status:           Overall Options.
* printing main source:                  Known Bugs.
* printing version information <1>:      Overall Options.
* printing version information:          What is GNU Fortran?.
* problems installing:                   Problems Installing.
* procedures:                            Procedures.
* Product intrinsic:                     Product Intrinsic.
* PROGRAM statement:                     Main Program Unit.
* programs, cc1:                         What is GNU Fortran?.
* programs, cc1plus:                     What is GNU Fortran?.
* programs, compiling:                   G77 and GCC.
* programs, cpp <1>:                     Overall Options.
* programs, cpp <2>:                     LEX.
* programs, cpp <3>:                     Preprocessor Options.
* programs, cpp <4>:                     Bug Reporting.
* programs, cpp:                         What is GNU Fortran?.
* programs, f771:                        What is GNU Fortran?.
* programs, ratfor:                      Overall Options.
* programs, speeding up:                 Faster Programs.
* programs, test:                        Nothing Happens.
* projects:                              Projects.
* Q edit descriptor:                     Q Edit Descriptor.
* QAbs intrinsic:                        QAbs Intrinsic.
* QACos intrinsic:                       QACos Intrinsic.
* QACosD intrinsic:                      QACosD Intrinsic.
* QASin intrinsic:                       QASin Intrinsic.
* QASinD intrinsic:                      QASinD Intrinsic.
* QATan intrinsic:                       QATan Intrinsic.
* QATan2 intrinsic:                      QATan2 Intrinsic.
* QATan2D intrinsic:                     QATan2D Intrinsic.
* QATanD intrinsic:                      QATanD Intrinsic.
* QCos intrinsic:                        QCos Intrinsic.
* QCosD intrinsic:                       QCosD Intrinsic.
* QCosH intrinsic:                       QCosH Intrinsic.
* QDiM intrinsic:                        QDiM Intrinsic.
* QExp intrinsic:                        QExp Intrinsic.
* QExt intrinsic:                        QExt Intrinsic.
* QExtD intrinsic:                       QExtD Intrinsic.
* QFloat intrinsic:                      QFloat Intrinsic.
* QInt intrinsic:                        QInt Intrinsic.
* QLog intrinsic:                        QLog Intrinsic.
* QLog10 intrinsic:                      QLog10 Intrinsic.
* QMax1 intrinsic:                       QMax1 Intrinsic.
* QMin1 intrinsic:                       QMin1 Intrinsic.
* QMod intrinsic:                        QMod Intrinsic.
* QNInt intrinsic:                       QNInt Intrinsic.
* QSin intrinsic:                        QSin Intrinsic.
* QSinD intrinsic:                       QSinD Intrinsic.
* QSinH intrinsic:                       QSinH Intrinsic.
* QSqRt intrinsic:                       QSqRt Intrinsic.
* QTan intrinsic:                        QTan Intrinsic.
* QTanD intrinsic:                       QTanD Intrinsic.
* QTanH intrinsic:                       QTanH Intrinsic.
* question mark:                         Character Set.
* questionable instructions:             What is GNU Fortran?.
* quick start:                           Quick Start.
* Radix intrinsic:                       Radix Intrinsic.
* Rand intrinsic:                        Rand Intrinsic.
* Random_Number intrinsic:               Random_Number Intrinsic.
* Random_Seed intrinsic:                 Random_Seed Intrinsic.
* range checking:                        Code Gen Options.
* Range intrinsic:                       Range Intrinsic.
* range, increasing:                     Increasing Precision/Range.
* rank, maximum:                         Compiler Limits.
* ratfor:                                Overall Options.
* Ratfor preprocessor:                   Overall Options.
* READONLY:                              READONLY Keyword.
* reads and writes, scheduling:          Aliasing Assumed To Work.
* Real intrinsic <1>:                    Real Intrinsic.
* Real intrinsic:                        REAL() and AIMAG() of Complex.
* real part:                             Ugly Complex Part Extraction.
* REAL(KIND=1) type:                     Compiler Types.
* REAL(KIND=2) type:                     Compiler Types.
* REAL*16 support:                       Full Support for Compiler Types.
* RealPart intrinsic:                    RealPart Intrinsic.
* recent versions <1>:                   News.
* recent versions:                       Changes.
* RECORD statement:                      STRUCTURE UNION RECORD MAP.
* recursion, lack of:                    RECURSIVE Keyword.
* RECURSIVE keyword:                     RECURSIVE Keyword.
* reference works:                       Language.
* Rename intrinsic <1>:                  Rename Intrinsic (subroutine).
* Rename intrinsic:                      Rename Intrinsic (function).
* Repeat intrinsic:                      Repeat Intrinsic.
* reporting bugs:                        Bugs.
* reporting compilation status:          Overall Options.
* requirements, GNU C:                   GNU C Required.
* Reshape intrinsic:                     Reshape Intrinsic.
* results, inconsistent:                 Floating-point Errors.
* RETURN statement <1>:                  Functions.
* RETURN statement:                      Alternate Returns.
* return type of functions:              Functions.
* right angle:                           Character Set.
* right bracket:                         Character Set.
* rounding errors:                       Floating-point Errors.
* row-major ordering:                    Arrays.
* RRSpacing intrinsic:                   RRSpacing Intrinsic.
* RShift intrinsic:                      RShift Intrinsic.
* run-time, dynamic allocation:          Arbitrary Concatenation.
* run-time, initialization:              Startup Code.
* run-time, library:                     What is GNU Fortran?.
* run-time, options:                     Code Gen Options.
* SAVE statement:                        Code Gen Options.
* saved variables:                       Variables Assumed To Be Saved.
* Scale intrinsic:                       Scale Intrinsic.
* Scan intrinsic:                        Scan Intrinsic.
* scheduling of reads and writes:        Aliasing Assumed To Work.
* scope <1>:                             Scope and Classes of Names.
* scope:                                 Scope of Names and Labels.
* search path:                           Directory Options.
* search paths, for included files:      Directory Options.
* Secnds intrinsic:                      Secnds Intrinsic.
* Second intrinsic <1>:                  Second Intrinsic (function).
* Second intrinsic:                      Second Intrinsic (subroutine).
* segmentation violation <1>:            Strange Behavior at Run Time.
* segmentation violation <2>:            NeXTStep Problems.
* segmentation violation <3>:            Maximum Stackable Size.
* segmentation violation:                Stack Overflow.
* Selected_Int_Kind intrinsic:           Selected_Int_Kind Intrinsic.
* Selected_Real_Kind intrinsic:          Selected_Real_Kind Intrinsic.
* semicolon <1>:                         Character Set.
* semicolon:                             Statements Comments Lines.
* sequence numbers:                      Better Source Model.
* Set_Exponent intrinsic:                Set_Exponent Intrinsic.
* Shape intrinsic:                       Shape Intrinsic.
* SHARED:                                READONLY Keyword.
* Shift intrinsic:                       Bit Operations on Floating-point Data.
* Short intrinsic:                       Short Intrinsic.
* short source lines:                    Short Lines.
* short time:                            Timer Wraparounds.
* shorthand options:                     Shorthand Options.
* side effects, order of evaluation:     Order of Side Effects.
* Sign intrinsic:                        Sign Intrinsic.
* signal 11:                             Signal 11 and Friends.
* Signal intrinsic <1>:                  Signal Intrinsic (function).
* Signal intrinsic:                      Signal Intrinsic (subroutine).
* signature of procedures:               Procedures.
* simplify porting:                      Simplify Porting.
* Sin intrinsic:                         Sin Intrinsic.
* SinD intrinsic:                        SinD Intrinsic.
* SinH intrinsic:                        SinH Intrinsic.
* Sleep intrinsic:                       Sleep Intrinsic.
* slow compiler:                         Large Initialization.
* Sngl intrinsic:                        Sngl Intrinsic.
* SnglQ intrinsic:                       SnglQ Intrinsic.
* Solaris:                               Strange Behavior at Run Time.
* source code <1>:                       Lines.
* source code <2>:                       Source Form.
* source code <3>:                       Case Sensitivity.
* source code:                           What is GNU Fortran?.
* source file:                           What is GNU Fortran?.
* source file format <1>:                Fortran Dialect Options.
* source file format <2>:                Case Sensitivity.
* source file format <3>:                Fortran Dialect Options.
* source file format <4>:                Lines.
* source file format:                    Source Form.
* source format <1>:                     Source Form.
* source format:                         Lines.
* source lines, long:                    Long Lines.
* source lines, short:                   Short Lines.
* space <1>:                             Character Set.
* space:                                 Lines.
* space, endless printing of:            Strange Behavior at Run Time.
* space, padding with:                   Short Lines.
* Spacing intrinsic:                     Spacing Intrinsic.
* SPC <1>:                               Lines.
* SPC:                                   Character Set.
* speed, of compiler <1>:                Large Initialization.
* speed, of compiler:                    Known Bugs.
* speed, of loops:                       Optimize Options.
* speed, of programs:                    Faster Programs.
* spills of floating-point results:      Floating-point Errors.
* Spread intrinsic:                      Spread Intrinsic.
* SqRt intrinsic:                        SqRt Intrinsic.
* SRand intrinsic:                       SRand Intrinsic.
* stack, 387 coprocessor:                News.
* stack, aligned:                        Aligned Data.
* stack, allocation:                     Maximum Stackable Size.
* stack, overflow:                       Stack Overflow.
* stage directories:                     Cleanup Kills Stage Directories.
* standard, ANSI FORTRAN 77:             Language.
* standard, support for:                 Standard Support.
* startup code:                          Startup Code.
* Stat intrinsic <1>:                    Stat Intrinsic (subroutine).
* Stat intrinsic:                        Stat Intrinsic (function).
* statement labels, assigned:            Assigned Statement Labels.
* statements, ACCEPT:                    TYPE and ACCEPT I/O Statements.
* statements, ASSIGN <1>:                Ugly Assigned Labels.
* statements, ASSIGN:                    Assigned Statement Labels.
* statements, AUTOMATIC:                 AUTOMATIC Statement.
* statements, BLOCK DATA <1>:            Multiple Definitions of External Names.
* statements, BLOCK DATA:                Block Data and Libraries.
* statements, CLOSE:                     OPEN CLOSE and INQUIRE Keywords.
* statements, COMMON <1>:                Multiple Definitions of External Names.
* statements, COMMON:                    Common Blocks.
* statements, COMPLEX:                   Complex Variables.
* statements, CYCLE:                     CYCLE and EXIT.
* statements, DATA <1>:                  Code Gen Options.
* statements, DATA:                      Known Bugs.
* statements, DECODE:                    ENCODE and DECODE.
* statements, DIMENSION <1>:             Array Bounds Expressions.
* statements, DIMENSION <2>:             Adjustable Arrays.
* statements, DIMENSION:                 Arrays.
* statements, DO <1>:                    Loops.
* statements, DO:                        Warning Options.
* statements, ENCODE:                    ENCODE and DECODE.
* statements, ENTRY:                     Alternate Entry Points.
* statements, EQUIVALENCE:               Local Equivalence Areas.
* statements, EXIT:                      CYCLE and EXIT.
* statements, FORMAT:                    Expressions in FORMAT Statements.
* statements, FUNCTION <1>:              Procedures.
* statements, FUNCTION:                  Functions.
* statements, GOTO:                      Assigned Statement Labels.
* statements, IMPLICIT CHARACTER*(*):    Limitation on Implicit Declarations.
* statements, INQUIRE:                   OPEN CLOSE and INQUIRE Keywords.
* statements, MAP:                       STRUCTURE UNION RECORD MAP.
* statements, NAMELIST:                  NAMELIST.
* statements, OPEN:                      OPEN CLOSE and INQUIRE Keywords.
* statements, PARAMETER <1>:             Intrinsics in PARAMETER Statements.
* statements, PARAMETER:                 Old-style PARAMETER Statements.
* statements, POINTER:                   POINTER Statements.
* statements, PROGRAM:                   Main Program Unit.
* statements, RECORD:                    STRUCTURE UNION RECORD MAP.
* statements, RETURN <1>:                Functions.
* statements, RETURN:                    Alternate Returns.
* statements, SAVE:                      Code Gen Options.
* statements, separated by semicolon:    Statements Comments Lines.
* statements, STRUCTURE:                 STRUCTURE UNION RECORD MAP.
* statements, SUBROUTINE <1>:            Procedures.
* statements, SUBROUTINE:                Alternate Returns.
* statements, TYPE:                      TYPE and ACCEPT I/O Statements.
* statements, UNION:                     STRUCTURE UNION RECORD MAP.
* STATIC:                                AUTOMATIC Statement.
* static variables:                      Variables Assumed To Be Saved.
* status, compilation:                   Overall Options.
* storage association:                   Aliasing Assumed To Work.
* strings, empty:                        Character Type.
* strtoul:                               Missing strtoul or bsearch.
* STRUCTURE statement:                   STRUCTURE UNION RECORD MAP.
* structures:                            Known Bugs.
* submodels:                             Use Submodel Options.
* SUBROUTINE statement <1>:              Alternate Returns.
* SUBROUTINE statement:                  Procedures.
* subroutines:                           Alternate Returns.
* subscript checking:                    Code Gen Options.
* substring checking:                    Code Gen Options.
* suffixes, file name:                   Overall Options.
* Sum intrinsic:                         Sum Intrinsic.
* SunOS4:                                Missing strtoul or bsearch.
* support, Alpha:                        Known Bugs.
* support, ELF:                          News.
* support, f77:                          Backslash in Constants.
* support, FORTRAN 77:                   Standard Support.
* support, Fortran 90:                   Fortran 90 Support.
* support, gdb:                          Debugger Problems.
* suppressing warnings:                  Warning Options.
* symbol names <1>:                      Names.
* symbol names:                          Fortran Dialect Options.
* symbol names, scope and classes:       Scope and Classes of Names.
* symbol names, transforming:            Code Gen Options.
* symbol names, underscores:             Code Gen Options.
* SymLnk intrinsic <1>:                  SymLnk Intrinsic (subroutine).
* SymLnk intrinsic:                      SymLnk Intrinsic (function).
* synchronous write errors <1>:          Always Flush Output.
* synchronous write errors:              Output Assumed To Flush.
* syntax checking:                       Warning Options.
* System intrinsic <1>:                  System Intrinsic (function).
* System intrinsic:                      System Intrinsic (subroutine).
* System_Clock intrinsic:                System_Clock Intrinsic.
* tab character:                         Tabs.
* table of intrinsics:                   Table of Intrinsic Functions.
* Tan intrinsic:                         Tan Intrinsic.
* TanD intrinsic:                        TanD Intrinsic.
* TanH intrinsic:                        TanH Intrinsic.
* test programs:                         Nothing Happens.
* testing alignment:                     Aligned Data.
* textbooks:                             Language.
* threads:                               Support for Threads.
* Time intrinsic <1>:                    Time Intrinsic (VXT).
* Time intrinsic:                        Time Intrinsic (UNIX).
* Time8 intrinsic:                       Time8 Intrinsic.
* Tiny intrinsic:                        Tiny Intrinsic.
* Toolpack:                              Increasing Precision/Range.
* trailing comma:                        Ugly Null Arguments.
* trailing comment <1>:                  Trailing Comment.
* trailing comment <2>:                  LEX.
* trailing comment:                      Statements Comments Lines.
* trailing null byte:                    Character and Hollerith Constants.
* Transfer intrinsic:                    Transfer Intrinsic.
* transforming symbol names <1>:         Code Gen Options.
* transforming symbol names:             Names.
* translation of user programs:          What is GNU Fortran?.
* Transpose intrinsic:                   Transpose Intrinsic.
* Trim intrinsic:                        Trim Intrinsic.
* trips, number of:                      Loops.
* truncation, of floating-point values:  Floating-point Errors.
* truncation, of long lines:             Long Lines.
* TtyNam intrinsic <1>:                  TtyNam Intrinsic (function).
* TtyNam intrinsic:                      TtyNam Intrinsic (subroutine).
* TYPE statement:                        TYPE and ACCEPT I/O Statements.
* types, COMPLEX(KIND=1):                Compiler Types.
* types, COMPLEX(KIND=2):                Compiler Types.
* types, constants <1>:                  Constants.
* types, constants <2>:                  Compiler Constants.
* types, constants:                      Fortran Dialect Options.
* types, DOUBLE COMPLEX:                 Compiler Types.
* types, DOUBLE PRECISION:               Compiler Types.
* types, file:                           Overall Options.
* types, Fortran/C:                      C Access to Type Information.
* types, INTEGER(KIND=1):                Compiler Types.
* types, INTEGER(KIND=2):                Compiler Types.
* types, INTEGER(KIND=3):                Compiler Types.
* types, INTEGER(KIND=6):                Compiler Types.
* types, INTEGER*2:                      Popular Non-standard Types.
* types, INTEGER*8:                      Full Support for Compiler Types.
* types, LOGICAL(KIND=1):                Compiler Types.
* types, LOGICAL(KIND=2):                Compiler Types.
* types, LOGICAL(KIND=3):                Compiler Types.
* types, LOGICAL(KIND=6):                Compiler Types.
* types, LOGICAL*1:                      Popular Non-standard Types.
* types, of data:                        Compiler Types.
* types, REAL(KIND=1):                   Compiler Types.
* types, REAL(KIND=2):                   Compiler Types.
* types, REAL*16:                        Full Support for Compiler Types.
* UBound intrinsic:                      UBound Intrinsic.
* ugly features <1>:                     Distensions.
* ugly features:                         Shorthand Options.
* UMask intrinsic <1>:                   UMask Intrinsic (function).
* UMask intrinsic:                       UMask Intrinsic (subroutine).
* undefined behavior:                    Bug Criteria.
* undefined function value:              Bug Criteria.
* undefined reference (_bsearch):        Missing strtoul or bsearch.
* undefined reference (_main):           Cannot Link Fortran Programs.
* undefined reference (_strtoul):        Missing strtoul or bsearch.
* underscore <1>:                        Underscores in Symbol Names.
* underscore <2>:                        Mangling of Names.
* underscore <3>:                        Character Set.
* underscore:                            Code Gen Options.
* unformatted files:                     Portable Unformatted Files.
* uninitialized variables <1>:           Warning Options.
* uninitialized variables <2>:           Variables Assumed To Be Zero.
* uninitialized variables:               Code Gen Options.
* UNION statement:                       STRUCTURE UNION RECORD MAP.
* unit numbers <1>:                      Large File Unit Numbers.
* unit numbers:                          Larger File Unit Numbers.
* UNIX f77:                              Shorthand Options.
* UNIX intrinsics:                       Fortran Dialect Options.
* Unlink intrinsic <1>:                  Unlink Intrinsic (function).
* Unlink intrinsic:                      Unlink Intrinsic (subroutine).
* Unpack intrinsic:                      Unpack Intrinsic.
* unrecognized file format:              What is GNU Fortran?.
* unresolved reference (various):        Cannot Link Fortran Programs.
* unrolling loops:                       Optimize Options.
* UNSAVE:                                AUTOMATIC Statement.
* unsupported warnings:                  Warning Options.
* unused arguments <1>:                  Warning Options.
* unused arguments:                      Unused Arguments.
* unused dummies:                        Warning Options.
* unused parameters:                     Warning Options.
* unused variables:                      Warning Options.
* uppercase letters:                     Case Sensitivity.
* user-visible changes:                  Changes.
* variables, assumed to be zero:         Variables Assumed To Be Zero.
* variables, automatic:                  AUTOMATIC Statement.
* variables, initialization of:          Code Gen Options.
* variables, mistyped:                   Not My Type.
* variables, retaining values across calls: Variables Assumed To Be Saved.
* variables, uninitialized <1>:          Code Gen Options.
* variables, uninitialized:              Warning Options.
* variables, unused:                     Warning Options.
* Verify intrinsic:                      Verify Intrinsic.
* version information, printing <1>:     Overall Options.
* version information, printing:         What is GNU Fortran?.
* versions, recent <1>:                  Changes.
* versions, recent:                      News.
* VXT extensions <1>:                    Fortran Dialect Options.
* VXT extensions:                        VXT Fortran.
* VXT intrinsics:                        Fortran Dialect Options.
* vxtidate_y2kbuggy_0:                   Year 2000 (Y2K) Problems.
* warnings:                              What is GNU Fortran?.
* warnings vs errors:                    Warnings and Errors.
* warnings, all:                         Warning Options.
* warnings, extra:                       Warning Options.
* warnings, global names <1>:            Code Gen Options.
* warnings, global names:                Warning Options.
* warnings, implicit declaration:        Warning Options.
* warnings, suppressing:                 Warning Options.
* warnings, unsupported:                 Warning Options.
* wisdom:                                Collected Fortran Wisdom.
* wraparound:                            Run-time Environment Limits.
* wraparound, timings <1>:               ETime Intrinsic (subroutine).
* wraparound, timings <2>:               MClock Intrinsic.
* wraparound, timings <3>:               Time8 Intrinsic.
* wraparound, timings <4>:               CPU_Time Intrinsic.
* wraparound, timings <5>:               System_Clock Intrinsic.
* wraparound, timings <6>:               Second Intrinsic (function).
* wraparound, timings <7>:               Second Intrinsic (subroutine).
* wraparound, timings <8>:               DTime Intrinsic (function).
* wraparound, timings <9>:               MClock8 Intrinsic.
* wraparound, timings <10>:              DTime Intrinsic (subroutine).
* wraparound, timings <11>:              Secnds Intrinsic.
* wraparound, timings <12>:              Time Intrinsic (UNIX).
* wraparound, timings:                   ETime Intrinsic (function).
* wraparound, Y10K <1>:                  FDate Intrinsic (subroutine).
* wraparound, Y10K <2>:                  FDate Intrinsic (function).
* wraparound, Y10K <3>:                  IDate Intrinsic (UNIX).
* wraparound, Y10K <4>:                  Date_and_Time Intrinsic.
* wraparound, Y10K:                      Time Intrinsic (VXT).
* wraparound, Y2K:                       IDate Intrinsic (VXT).
* writes, flushing <1>:                  Always Flush Output.
* writes, flushing:                      Output Assumed To Flush.
* writing code:                          Collected Fortran Wisdom.
* x86 floating-point:                    Floating-point precision.
* x86 FPU stack:                         Inconsistent Calling Sequences.
* XOr intrinsic:                         XOr Intrinsic.
* Y10K compliance <1>:                   Date_and_Time Intrinsic.
* Y10K compliance <2>:                   Year 10000 (Y10K) Problems.
* Y10K compliance <3>:                   Time Intrinsic (VXT).
* Y10K compliance <4>:                   IDate Intrinsic (UNIX).
* Y10K compliance <5>:                   FDate Intrinsic (function).
* Y10K compliance:                       FDate Intrinsic (subroutine).
* Y2K compliance <1>:                    Date Intrinsic.
* Y2K compliance <2>:                    Y2KBAD.
* Y2K compliance <3>:                    Year 2000 (Y2K) Problems.
* Y2K compliance:                        IDate Intrinsic (VXT).
* y2kbuggy:                              Year 2000 (Y2K) Problems.
* Year 10000 compliance <1>:             Time Intrinsic (VXT).
* Year 10000 compliance <2>:             Year 10000 (Y10K) Problems.
* Year 10000 compliance <3>:             Date_and_Time Intrinsic.
* Year 10000 compliance <4>:             IDate Intrinsic (UNIX).
* Year 10000 compliance <5>:             FDate Intrinsic (function).
* Year 10000 compliance:                 FDate Intrinsic (subroutine).
* Year 2000 compliance <1>:              Y2KBAD.
* Year 2000 compliance <2>:              Year 2000 (Y2K) Problems.
* Year 2000 compliance <3>:              IDate Intrinsic (VXT).
* Year 2000 compliance:                  Date Intrinsic.
* Z edit descriptor <1>:                 I/O.
* Z edit descriptor:                     Fortran 90 Features.
* ZAbs intrinsic:                        ZAbs Intrinsic.
* ZCos intrinsic:                        ZCos Intrinsic.
* zero byte, trailing:                   Character and Hollerith Constants.
* zero-initialized variables:            Variables Assumed To Be Zero.
* zero-length CHARACTER:                 Character Type.
* zero-trip DO loops:                    Fortran Dialect Options.
* ZExp intrinsic:                        ZExp Intrinsic.
* ZExt intrinsic:                        ZExt Intrinsic.
* ZLog intrinsic:                        ZLog Intrinsic.
* ZSin intrinsic:                        ZSin Intrinsic.
* ZSqRt intrinsic:                       ZSqRt Intrinsic.


