create a Tcl/Tk's console window.
* ext/tk/lib/multi-tk.rb: support TclTkIp#_create_console() method.
* ext/tk/lib/remote-tk.rb: ditto.
* ext/tk/lib/tk/console.rb: ditto.
* ext/tk/lib/tk.rb: update RELEASE_DATE
* ext/tk/sample/demo-*/check2.rb: use 'return' in the Proc object.
* ext/tk/sample/tkextlib/**: ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@8213 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  after scripts [ruby-dev:25479]: NULL current namespce when deleting
  Tk interpreter [ruby-talk:126225]
* ext/tcltklib/extconf.rb: bug fix; TCL_ENABLE_THREAD flag is inverted
  [ruby-talk:126360]
* ext/tcltklib/extconf.rb: add yet another native-thread check
* ext/tk/tkutil.c: fix SEGV bug; NULL string pointer when finalize
  Ruby interpreter
* ext/tk/lib/multi-tk.rb: avoid warning for deleted safeTk ip frame
* ext/tk/lib/tk/bindtag.rb: bug fix; new method of named bindtag
  doesn't return the created object [ruby-dev:25479]
* ext/tk/lib/tk/menu.rb: bug on treating arguments [ruby-dev:25479]
* ext/tk/lib/tk.rb: bug fix; cannot accept a callback ID string for
  a command argument [ruby-dev:25479]
* ext/tk/lib/multi-tk.rb: ditto
* ext/tk/lib/tk/*.rb: ditto
* ext/tk/lib/tkextlib/*.rb: ditto
* ext/tk/sample/demos-jp/anilabel.rb: new demo script
* ext/tk/sample/demos-en/anilabel.rb: ditto
* ext/tk/sample/tkHTML/ss.rb: local variable scope bug fix
  [ruby-dev:25479]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@7821 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@7029 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@6560 b2dd03c8-39d4-4d8f-98ff-823fe69b080e