--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Registers an alias that's not used on mime type lookup, but can be referenced directly. Especially useful for rendering different HTML versions depending on the user agent, like an iPhone.
full_name: Mime::Type::register_alias
is_singleton: true
name: register_alias
params: (string, symbol, extension_synonyms = [])
visibility: public
