parse.y: simplify parsing utf-8 string
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56964 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
parse.y: simplify parsing utf-8 string
char.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56964 b2dd03c8-39d4-4d8f-98ff-823fe69b080e