# File lib/rdoc/parser/c.rb, line 385
  def find_alias_comment class_name, new_name, old_name
    content =~ %r%((?>/\*.*?\*/\s+))
                  rb_define_alias\(\s*#{Regexp.escape class_name}\s*,
                                   \s*"#{Regexp.escape new_name}"\s*,
                                   \s*"#{Regexp.escape old_name}"\s*\);%xm

    RDoc::Comment.new($1 || '', @top_level)
  end