* lib/rdoc/parser.rb (RDoc.alias_extension): a real file is irrelevant
to aliasing. [ruby-core:44796][Bug #6392]
* lib/rdoc/parser.rb (RDoc.zip?): non-existent file will not be a zip
file.
* lib/rdoc/parser.rb (RDoc.can_parse_by_name): accept aliased
extension file names.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35532 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* lib/rdoc/parser/ruby.rb (RDoc::Parser::Ruby): Don't parse rdoc
files, reverts r24976 in favor of include directive support in C
parser.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27283 b2dd03c8-39d4-4d8f-98ff-823fe69b080e