* add or modify some widget demo scripts

* (bug fix) TkGrid failed to treat RELATIVE PLACEMENT


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4291 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/tk/MANIFEST

@@ -83,9 +83,11 @@ sample/demos-en/images/tcllogo.gif
 sample/demos-en/images/teapot.ppm
 sample/demos-en/items.rb
 sample/demos-en/ixset
+sample/demos-en/ixset2
 sample/demos-en/label.rb
 sample/demos-en/labelframe.rb
 sample/demos-en/menu.rb
+sample/demos-en/menu84.rb
 sample/demos-en/menubu.rb
 sample/demos-en/msgbox.rb
 sample/demos-en/patch_1.1c1
@@ -94,6 +96,7 @@ sample/demos-en/paned2.rb
 sample/demos-en/plot.rb
 sample/demos-en/puzzle.rb
 sample/demos-en/radio.rb
+sample/demos-en/radio2.rb
 sample/demos-en/rmt
 sample/demos-en/rolodex
 sample/demos-en/rolodex-j
@@ -156,17 +159,20 @@ sample/demos-jp/images/tcllogo.gif
 sample/demos-jp/images/teapot.ppm
 sample/demos-jp/items.rb
 sample/demos-jp/ixset
+sample/demos-jp/ixset2
 sample/demos-jp/label.rb
 sample/demos-jp/labelframe.rb
 sample/demos-jp/menu.rb
 sample/demos-jp/menu8x.rb
+sample/demos-jp/menu84.rb
 sample/demos-jp/menubu.rb
 sample/demos-jp/msgbox.rb
 sample/demos-jp/paned1.rb
 sample/demos-jp/paned2.rb
 sample/demos-jp/plot.rb
 sample/demos-jp/puzzle.rb
 sample/demos-jp/radio.rb
+sample/demos-jp/radio2.rb
 sample/demos-jp/rmt
 sample/demos-jp/rolodex
 sample/demos-jp/rolodex-j

ext/tk/lib/tk.rb

@@ -2729,9 +2729,15 @@ def configure(widget, *args)
     if args[-1].kind_of?(Hash)
       keys = args.pop
     end
-    wins = [widget.epath]
+    wins = []
+    args.unshift(widget)
     for i in args
-      wins.push i.epath
+      case i
+      when '-', 'x', '^'  # RELATIVE PLACEMENT
+	wins.push(i)
+      else
+	wins.push(i.epath)
+      end
     end
     tk_call "grid", 'configure', *(wins+hash_kv(keys))
   end