* lib/irb/init.rb, lib/irb/lc/help-message,

lib/irb/lc/ja/help-message: add -w flag.  [ruby-core:24594]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27273 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/irb/lc/help-message

@@ -17,6 +17,8 @@ Usage:  irb.rb [options] [programfile] [arguments]
   -I path           Specify $LOAD_PATH directory
   -U                Same as `ruby -U`
   -E enc            Same as `ruby -E`
+  -w                Same as `ruby -w`
+  -W[level=2]       Same as `ruby -W`
   --inspect	    Use `inspect' for output (default except for bc mode)
   --noinspect	    Don't use inspect for output
   --readline	    Use Readline extension module

lib/irb/lc/ja/help-message

@@ -16,6 +16,8 @@ Usage:  irb.rb [options] [programfile] [arguments]
   -I path           $LOAD_PATH に path を追加する.
   -U                ruby -U と同じ.
   -E enc            ruby -E と同じ.
+  -w                ruby -w と同じ.
+  -W[level=2]       ruby -W と同じ.
   --inspect	    結果出力にinspectを用いる(bcモード以外はデフォルト). 
   --noinspect	    結果出力にinspectを用いない.
   --readline	    readlineライブラリを利用する.