use true and false [ci skip]

* ext/tk/lib/tk/texttag.rb, ext/tk/sample/tcltklib/sample2.rb,
  ext/tk/sample/tkline.rb, ext/tk/sample/tktimer.rb: use true and
  false instead of TRUE and FALSE.

* ext/win32ole/sample/ienavi.rb (stop_msg_loop): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55837 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/tk/lib/tk/texttag.rb

@@ -175,7 +175,7 @@ class TkTextTag<TkObject
 #    end
 #  end
 #  def configure(key, value)
-#    if value == FALSE
+#    if value == false
 #      value = "0"
 #    elsif value.kind_of?(Proc)
 #      value = install_cmd(value)

ext/tk/sample/tcltklib/sample2.rb

@@ -381,7 +381,7 @@ class Othello
       $wm.e("iconname", $root, "Othello")
 
       @board.com_disk = WHITE
-      @game_over = FALSE
+      @game_over = false
 
       TclTk.mainloop
    end
@@ -403,11 +403,11 @@ class Othello
       @board_view.clear
       @board.reset
       $wm.e("title", $root, "Othello")
-      @game_over = FALSE
+      @game_over = false
    end
 
    def com_turn
-      @in_com_turn = TRUE
+      @in_com_turn = true
       $update.e()
       sleep(0.5)
       begin
@@ -421,22 +421,22 @@ class Othello
             else
                $wm.e("title", $root, "{Othello - You Loose!}")
             end
-            @game_over = TRUE
+            @game_over = true
             break
          elsif com_disk == 0
             $wm.e("title", $root, "{Othello - You Win!}")
-            @game_over = TRUE
+            @game_over = true
             break
          elsif man_disk == 0
             $wm.e("title", $root, "{Othello - You Loose!}")
-            @game_over = TRUE
+            @game_over = true
             break
          end
          row, col = @board.search(@board.com_disk)
          break if row == nil || col == nil
          @board.put_disk(row, col, @board.com_disk)
       end while @board.search(@board.man_disk) == [nil, nil]
-      @in_com_turn = FALSE
+      @in_com_turn = false
    end
 
    def show_point

ext/tk/sample/tkline.rb

@@ -2,10 +2,10 @@
 
 require "tkclass"
 
-$tkline_init = FALSE
+$tkline_init = false
 def start_random
   return if $tkline_init
-  $tkline_init = TRUE
+  $tkline_init = true
   if defined? Thread
     Thread.start do
       loop do

ext/tk/sample/tktimer.rb

@@ -14,7 +14,7 @@ TkButton.new {
   text 'Start'
   command proc {
     if $stopped
-      $stopped = FALSE
+      $stopped = false
       tick
     end
   }
@@ -24,14 +24,14 @@ TkButton.new {
   text 'Stop'
   command proc{
     exit if $stopped
-    $stopped = TRUE
+    $stopped = true
   }
   pack('side'=>'right','fill'=>'both','expand'=>'yes')
 }
 
 $seconds=0
 $hundredths=0
-$stopped=TRUE
+$stopped=true
 
 def tick
   if $stopped then return end

ext/win32ole/sample/ienavi.rb

@@ -9,7 +9,7 @@ end
 
 def stop_msg_loop
   puts "Now Stop IE..."
-  $LOOP = FALSE;
+  $LOOP = false;
 end
 
 def default_handler(event, *args)