Ruby

lib/uri/file.rb: improve docs for URI::File

• lib/uri/file.rb: [DOC] fix invalid example code for URI::File.build
  to make it syntax highlighted; drop unnecessary `puts';
  fix unintended description list; fix typos.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63182 b2dd03c8-39d4-4d8f-98ff-823fe69b080e