* lib/uri/common.rb: [DOC] [Bug #9563] Recommend using URI.escape
  before parsing a uri to avoid invalid characters. Reported by
  Evgeniy Serykh.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46984 b2dd03c8-39d4-4d8f-98ff-823fe69b080e