test_cgi_util.rb: escape for ruby-mode.el

* test/cgi/test_cgi_util.rb (CGIUtilTest): escape '<' not
  ruby-mode.el to confuse with here documents.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45380 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-03-22

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45381 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
cgi/util.rb: use alias

* lib/cgi/util.rb (escape_html, unescape_html): make synonyms
  aliases instead of wrapper methods.
* lib/cgi/util.rb (escape_element, unescape_element): ditto.
  [Fixes GH-573]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45382 b2dd03c8-39d4-4d8f-98ff-823fe69b080e