* ext/tk/lib/tk/*: untabify

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@7029 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

9 files changed, 240 insertions, 240 deletions

diff --git a/ext/tk/lib/tkextlib/iwidgets/calendar.rb b/ext/tk/lib/tkextlib/iwidgets/calendar.rb
index dab10b118..f382cfd14 100644
--- a/ext/tk/lib/tkextlib/iwidgets/calendar.rb
+++ b/ext/tk/lib/tkextlib/iwidgets/calendar.rb
@@ -30,7 +30,7 @@ class Tk::Iwidgets::Calendar
       _setup_subst_table(KEY_TBL, PROC_TBL);
 
       def self.ret_val(val)
-	val
+        val
       end
     end
 
diff --git a/ext/tk/lib/tkextlib/iwidgets/entryfield.rb b/ext/tk/lib/tkextlib/iwidgets/entryfield.rb
index 300573bce..ae7d63f3f 100644
--- a/ext/tk/lib/tkextlib/iwidgets/entryfield.rb
+++ b/ext/tk/lib/tkextlib/iwidgets/entryfield.rb
@@ -26,16 +26,16 @@ class Tk::Iwidgets::Entryfield
     #class CalCmdArgs < TkUtil::CallbackSubst
     class ValidateArgs < TkUtil::CallbackSubst
       KEY_TBL  = [ 
-	[ ?c, ?s, :char ], 
-	[ ?P, ?s, :post ], 
-	[ ?S, ?s, :current ], 
-	[ ?W, ?w, :widget ], 
-	nil
+        [ ?c, ?s, :char ], 
+        [ ?P, ?s, :post ], 
+        [ ?S, ?s, :current ], 
+        [ ?W, ?w, :widget ], 
+        nil
       ]
       PROC_TBL = [ 
-	[ ?s, TkComm.method(:string) ], 
-	[ ?w, TkComm.method(:window) ], 
-	nil
+        [ ?s, TkComm.method(:string) ], 
+        [ ?w, TkComm.method(:window) ], 
+        nil
       ]
       _setup_subst_table(KEY_TBL, PROC_TBL);
     end
diff --git a/ext/tk/lib/tkextlib/iwidgets/hierarchy.rb b/ext/tk/lib/tkextlib/iwidgets/hierarchy.rb
index a7024356a..077d84c7a 100644
--- a/ext/tk/lib/tkextlib/iwidgets/hierarchy.rb
+++ b/ext/tk/lib/tkextlib/iwidgets/hierarchy.rb
@@ -33,7 +33,7 @@ class Tk::Iwidgets::Hierarchy
       _setup_subst_table(KEY_TBL, PROC_TBL);
 
       def self.ret_val(val)
-	val
+        val
       end
     end
 
@@ -46,21 +46,21 @@ class Tk::Iwidgets::Hierarchy
   class IndicatorCommand < TkValidateCommand
     class ValidateArgs < TkUtil::CallbackSubst
       KEY_TBL  = [ 
-	[ ?n, ?s, :node ], 
-	[ ?s, ?b, :status ], 
-	nil
+        [ ?n, ?s, :node ], 
+        [ ?s, ?b, :status ], 
+        nil
       ]
 
       PROC_TBL = [ 
-	[ ?s, TkComm.method(:string) ], 
-	[ ?b, TkComm.method(:bool) ], 
-	nil
+        [ ?s, TkComm.method(:string) ], 
+        [ ?b, TkComm.method(:bool) ], 
+        nil
       ]
 
       _setup_subst_table(KEY_TBL, PROC_TBL);
 
       def self.ret_val(val)
-	val
+        val
       end
     end
 
@@ -73,15 +73,15 @@ class Tk::Iwidgets::Hierarchy
   class IconCommand < TkValidateCommand
     class ValidateArgs < TkUtil::CallbackSubst
       KEY_TBL  = [ 
-	[ ?n, ?s, :node ], 
-	[ ?i, ?s, :icon ], 
-	nil
+        [ ?n, ?s, :node ], 
+        [ ?i, ?s, :icon ], 
+        nil
       ]
       PROC_TBL = [ [ ?s, TkComm.method(:string) ], nil ]
       _setup_subst_table(KEY_TBL, PROC_TBL);
 
       def self.ret_val(val)
-	val
+        val
       end
     end
 
@@ -200,7 +200,7 @@ class Tk::Iwidgets::Hierarchy
 
   def compare(idx1, op, idx2)
     bool(tk_send_without_enc('compare', _get_eval_enc_str(idx1), 
-			     op, _get_eval_enc_str(idx2)))
+                             op, _get_eval_enc_str(idx2)))
   end
 
   def debug
@@ -234,16 +234,16 @@ class Tk::Iwidgets::Hierarchy
       # multiple chars-taglist argument :: str, [tag,...], str, [tag,...], ...
       args = [chars]
       while tags.size > 0
-	args << tags.shift.collect{|x|_get_eval_string(x)}.join(' ')  # taglist
-	args << tags.shift if tags.size > 0                           # chars
+        args << tags.shift.collect{|x|_get_eval_string(x)}.join(' ')  # taglist
+        args << tags.shift if tags.size > 0                           # chars
       end
       super index, *args
     else
       # single chars-taglist argument :: str, tag, tag, ...
       if tags.size == 0
-	super index, chars
+        super index, chars
       else
-	super index, chars, tags.collect{|x|_get_eval_string(x)}.join(' ')
+        super index, chars, tags.collect{|x|_get_eval_string(x)}.join(' ')
       end
     end
   end
diff --git a/ext/tk/lib/tkextlib/iwidgets/menubar.rb b/ext/tk/lib/tkextlib/iwidgets/menubar.rb
index b4c94ff56..b60349be1 100644
--- a/ext/tk/lib/tkextlib/iwidgets/menubar.rb
+++ b/ext/tk/lib/tkextlib/iwidgets/menubar.rb
@@ -70,41 +70,41 @@ class Tk::Iwidgets::Menubar
       next unless spec
 
       if spec.kind_of?(Hash)
-	args = [spec]
-	type = 'options'
+        args = [spec]
+        type = 'options'
       else
-	type, *args = spec
+        type, *args = spec
       end
 
       type = type.to_s
       case type
       when 'options'
-	keys = args[0]
-	ary = [type]
-	ary.concat(hash_kv(keys))
-	ret << array2tk_list(ary) << "\n"
+        keys = args[0]
+        ary = [type]
+        ary.concat(hash_kv(keys))
+        ret << array2tk_list(ary) << "\n"
 
       when 'menubutton', 'cascade'
-	name, keys = args
-	if keys
-	  ary = [type, name]
-	  keys = _symbolkey2str(keys)
-	  keys['menu'] = _parse_menu_spec(keys['menu']) if keys.key?('menu')
-	  ary.concat(hash_kv(keys))
-	  ret << array2tk_list(ary) << "\n"
-	else
-	  ret << array2tk_list([type, name]) << "\n"
-	end
+        name, keys = args
+        if keys
+          ary = [type, name]
+          keys = _symbolkey2str(keys)
+          keys['menu'] = _parse_menu_spec(keys['menu']) if keys.key?('menu')
+          ary.concat(hash_kv(keys))
+          ret << array2tk_list(ary) << "\n"
+        else
+          ret << array2tk_list([type, name]) << "\n"
+        end
 
       else
-	name, keys = args
-	if keys
-	  ary = [type, name]
-	  ary.concat(hash_kv(keys))
-	  ret << array2tk_list(ary) << "\n"
-	else
-	  ret << array2tk_list([type, name]) << "\n"
-	end
+        name, keys = args
+        if keys
+          ary = [type, name]
+          ary.concat(hash_kv(keys))
+          ret << array2tk_list(ary) << "\n"
+        else
+          ret << array2tk_list([type, name]) << "\n"
+        end
       end
     }
     ret
diff --git a/ext/tk/lib/tkextlib/iwidgets/notebook.rb b/ext/tk/lib/tkextlib/iwidgets/notebook.rb
index 511ee3dff..d9abf1b02 100644
--- a/ext/tk/lib/tkextlib/iwidgets/notebook.rb
+++ b/ext/tk/lib/tkextlib/iwidgets/notebook.rb
@@ -72,7 +72,7 @@ class Tk::Iwidgets::Notebook
     end
     if idx2
       if (new_idx2 = self.index(idx2)) < 0
-	new_idx2 = tagid(idx2)
+        new_idx2 = tagid(idx2)
       end
       tk_call(@path, 'delete', new_idx1, new_idx2)
     else
diff --git a/ext/tk/lib/tkextlib/iwidgets/scrolledcanvas.rb b/ext/tk/lib/tkextlib/iwidgets/scrolledcanvas.rb
index c5ed19c1f..c26eda158 100644
--- a/ext/tk/lib/tkextlib/iwidgets/scrolledcanvas.rb
+++ b/ext/tk/lib/tkextlib/iwidgets/scrolledcanvas.rb
@@ -94,7 +94,7 @@ class Tk::Iwidgets::Scrolledcanvas
 
   def bbox(tagOrId, *tags)
     list(tk_send_without_enc('bbox', tagid(tagOrId), 
-			     *tags.collect{|t| tagid(t)}))
+                             *tags.collect{|t| tagid(t)}))
   end
 
   def itembind(tag, context, cmd=Proc.new, args=nil)
@@ -136,14 +136,14 @@ class Tk::Iwidgets::Scrolledcanvas
 
   def dchars(tag, first, last=None)
     tk_send_without_enc('dchars', tagid(tag), 
-			_get_eval_enc_str(first), _get_eval_enc_str(last))
+                        _get_eval_enc_str(first), _get_eval_enc_str(last))
     self
   end
 
   def delete(*args)
     if TkcItem::CItemID_TBL[self.path]
       find('withtag', *args).each{|item| 
-	TkcItem::CItemID_TBL[self.path].delete(item.id)
+        TkcItem::CItemID_TBL[self.path].delete(item.id)
       }
     end
     tk_send_without_enc('delete', *args.collect{|t| tagid(t)})
@@ -190,9 +190,9 @@ class Tk::Iwidgets::Scrolledcanvas
     else
       ret = tk_send_without_enc('focus')
       if ret == ""
-	nil
+        nil
       else
-	TkcItem.id2obj(self, ret)
+        TkcItem.id2obj(self, ret)
       end
     end
   end
@@ -214,7 +214,7 @@ class Tk::Iwidgets::Scrolledcanvas
 
   def insert(tagOrId, index, string)
     tk_send_without_enc('insert', tagid(tagOrId), index, 
-			_get_eval_enc_str(string))
+                        _get_eval_enc_str(string))
     self
   end
 
diff --git a/ext/tk/lib/tkextlib/iwidgets/scrolledtext.rb b/ext/tk/lib/tkextlib/iwidgets/scrolledtext.rb
index 95d1034f1..39a9ed63c 100644
--- a/ext/tk/lib/tkextlib/iwidgets/scrolledtext.rb
+++ b/ext/tk/lib/tkextlib/iwidgets/scrolledtext.rb
@@ -77,7 +77,7 @@ class Tk::Iwidgets::Scrolledtext
   end
   def compare(idx1, op, idx2)
     bool(tk_send_without_enc('compare', _get_eval_enc_str(idx1), 
-			     op, _get_eval_enc_str(idx2)))
+                             op, _get_eval_enc_str(idx2)))
   end
 
   def debug
@@ -110,24 +110,24 @@ class Tk::Iwidgets::Scrolledtext
     case slot.to_s
     when 'text', 'label', 'show', 'data', 'file'
       _fromUTF8(tk_send_without_enc('image', 'cget', 
-				    _get_eval_enc_str(index), "-#{slot}"))
+                                    _get_eval_enc_str(index), "-#{slot}"))
     else
       tk_tcl2ruby(_fromUTF8(tk_send_without_enc('image', 'cget', 
-						_get_eval_enc_str(index), 
-						"-#{slot}")))
+                                                _get_eval_enc_str(index), 
+                                                "-#{slot}")))
     end
   end
 
   def image_configure(index, slot, value=None)
     if slot.kind_of? Hash
       _fromUTF8(tk_send_without_enc('image', 'configure', 
-				    _get_eval_enc_str(index), 
-				    *hash_kv(slot, true)))
+                                    _get_eval_enc_str(index), 
+                                    *hash_kv(slot, true)))
     else
       _fromUTF8(tk_send_without_enc('image', 'configure', 
-				    _get_eval_enc_str(index), 
-				    "-#{slot}", 
-				    _get_eval_enc_str(value)))
+                                    _get_eval_enc_str(index), 
+                                    "-#{slot}", 
+                                    _get_eval_enc_str(value)))
     end
     self
   end
@@ -135,80 +135,80 @@ class Tk::Iwidgets::Scrolledtext
   def image_configinfo(index, slot = nil)
     if TkComm::GET_CONFIGINFO_AS_ARRAY
       if slot
-	case slot.to_s
-	when 'text', 'label', 'show', 'data', 'file'
-	  conf = tk_split_simplelist(_fromUTF8(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index), "-#{slot}")))
-	else
-	  conf = tk_split_list(_fromUTF8(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index), "-#{slot}")))
-	end
-	conf[0] = conf[0][1..-1]
-	conf
+        case slot.to_s
+        when 'text', 'label', 'show', 'data', 'file'
+          conf = tk_split_simplelist(_fromUTF8(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index), "-#{slot}")))
+        else
+          conf = tk_split_list(_fromUTF8(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index), "-#{slot}")))
+        end
+        conf[0] = conf[0][1..-1]
+        conf
       else
-	tk_split_simplelist(_fromUTF8(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index)))).collect{|conflist|
-	  conf = tk_split_simplelist(conflist)
-	  conf[0] = conf[0][1..-1]
-	  case conf[0]
-	  when 'text', 'label', 'show', 'data', 'file'
-	  else
-	    if conf[3]
-	      if conf[3].index('{')
-		conf[3] = tk_split_list(conf[3]) 
-	      else
-		conf[3] = tk_tcl2ruby(conf[3]) 
-	      end
-	    end
-	    if conf[4]
-	      if conf[4].index('{')
-		conf[4] = tk_split_list(conf[4]) 
-	      else
-		conf[4] = tk_tcl2ruby(conf[4]) 
-	      end
-	    end
-	  end
-	  conf[1] = conf[1][1..-1] if conf.size == 2 # alias info
-	  conf
-	}
+        tk_split_simplelist(_fromUTF8(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index)))).collect{|conflist|
+          conf = tk_split_simplelist(conflist)
+          conf[0] = conf[0][1..-1]
+          case conf[0]
+          when 'text', 'label', 'show', 'data', 'file'
+          else
+            if conf[3]
+              if conf[3].index('{')
+                conf[3] = tk_split_list(conf[3]) 
+              else
+                conf[3] = tk_tcl2ruby(conf[3]) 
+              end
+            end
+            if conf[4]
+              if conf[4].index('{')
+                conf[4] = tk_split_list(conf[4]) 
+              else
+                conf[4] = tk_tcl2ruby(conf[4]) 
+              end
+            end
+          end
+          conf[1] = conf[1][1..-1] if conf.size == 2 # alias info
+          conf
+        }
       end
     else # ! TkComm::GET_CONFIGINFO_AS_ARRAY
       if slot
-	case slot.to_s
-	when 'text', 'label', 'show', 'data', 'file'
-	  conf = tk_split_simplelist(_fromUTF8(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index), "-#{slot}")))
-	else
-	  conf = tk_split_list(_fromUTF8(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index), "-#{slot}")))
-	end
-	key = conf.shift[1..-1]
-	{ key => conf }
+        case slot.to_s
+        when 'text', 'label', 'show', 'data', 'file'
+          conf = tk_split_simplelist(_fromUTF8(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index), "-#{slot}")))
+        else
+          conf = tk_split_list(_fromUTF8(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index), "-#{slot}")))
+        end
+        key = conf.shift[1..-1]
+        { key => conf }
       else
-	ret = {}
-	tk_split_simplelist(_fromUTF8(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index)))).each{|conflist|
-	  conf = tk_split_simplelist(conflist)
-	  key = conf.shift[1..-1]
-	  case key
-	  when 'text', 'label', 'show', 'data', 'file'
-	  else
-	    if conf[2]
-	      if conf[2].index('{')
-		conf[2] = tk_split_list(conf[2]) 
-	      else
-		conf[2] = tk_tcl2ruby(conf[2]) 
-	      end
-	    end
-	    if conf[3]
-	      if conf[3].index('{')
-		conf[3] = tk_split_list(conf[3]) 
-	      else
-		conf[3] = tk_tcl2ruby(conf[3]) 
-	      end
-	    end
-	  end
-	  if conf.size == 1
-	    ret[key] = conf[0][1..-1]  # alias info
-	  else
-	    ret[key] = conf
-	  end
-	}
-	ret
+        ret = {}
+        tk_split_simplelist(_fromUTF8(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index)))).each{|conflist|
+          conf = tk_split_simplelist(conflist)
+          key = conf.shift[1..-1]
+          case key
+          when 'text', 'label', 'show', 'data', 'file'
+          else
+            if conf[2]
+              if conf[2].index('{')
+                conf[2] = tk_split_list(conf[2]) 
+              else
+                conf[2] = tk_tcl2ruby(conf[2]) 
+              end
+            end
+            if conf[3]
+              if conf[3].index('{')
+                conf[3] = tk_split_list(conf[3]) 
+              else
+                conf[3] = tk_tcl2ruby(conf[3]) 
+              end
+            end
+          end
+          if conf.size == 1
+            ret[key] = conf[0][1..-1]  # alias info
+          else
+            ret[key] = conf
+          end
+        }
+        ret
       end
     end
   end
@@ -216,19 +216,19 @@ class Tk::Iwidgets::Scrolledtext
   def current_image_configinfo(index, slot = nil)
     if TkComm::GET_CONFIGINFO_AS_ARRAY
       if slot
-	conf = image_configinfo(index, slot)
-	{conf[0] => conf[4]}
+        conf = image_configinfo(index, slot)
+        {conf[0] => conf[4]}
       else
-	ret = {}
-	image_configinfo(index).each{|conf|
-	  ret[conf[0]] = conf[4] if conf.size > 2
-	}
-	ret
+        ret = {}
+        image_configinfo(index).each{|conf|
+          ret[conf[0]] = conf[4] if conf.size > 2
+        }
+        ret
       end
     else # ! TkComm::GET_CONFIGINFO_AS_ARRAY
       ret = {}
       image_configinfo(index, slot).each{|k, conf|
-	ret[k] = conf[-1] if conf.kind_of?(Array)
+        ret[k] = conf[-1] if conf.kind_of?(Array)
       }
       ret
     end
@@ -258,7 +258,7 @@ class Tk::Iwidgets::Scrolledtext
   def mark_gravity(mark, direction=nil)
     if direction
       tk_send_without_enc('mark', 'gravity', 
-			  _get_eval_enc_str(mark), direction)
+                          _get_eval_enc_str(mark), direction)
       self
     else
       tk_send_without_enc('mark', 'gravity', _get_eval_enc_str(mark))
@@ -267,27 +267,27 @@ class Tk::Iwidgets::Scrolledtext
 
   def mark_set(mark, index)
     tk_send_without_enc('mark', 'set', _get_eval_enc_str(mark), 
-			_get_eval_enc_str(index))
+                        _get_eval_enc_str(index))
     self
   end
   alias set_mark mark_set
 
   def mark_unset(*marks)
     tk_send_without_enc('mark', 'unset', 
-			*(marks.collect{|mark| _get_eval_enc_str(mark)}))
+                        *(marks.collect{|mark| _get_eval_enc_str(mark)}))
     self
   end
   alias unset_mark mark_unset
 
   def mark_next(index)
     tagid2obj(_fromUTF8(tk_send_without_enc('mark', 'next', 
-					    _get_eval_enc_str(index))))
+                                            _get_eval_enc_str(index))))
   end
   alias next_mark mark_next
 
   def mark_previous(index)
     tagid2obj(_fromUTF8(tk_send_without_enc('mark', 'previous', 
-					    _get_eval_enc_str(index))))
+                                            _get_eval_enc_str(index))))
   end
   alias previous_mark mark_previous
 
@@ -309,14 +309,14 @@ class Tk::Iwidgets::Scrolledtext
     # $KCODE == 'NONE'
     if JAPANIZED_TK
       tk_call_without_enc('kstring', 'length', 
-			  _get_eval_enc_str(txt)).to_i
+                          _get_eval_enc_str(txt)).to_i
     else
       begin
-	tk_call_without_enc('encoding', 'convertto', 'ascii', 
-			    _get_eval_enc_str(txt)).length
+        tk_call_without_enc('encoding', 'convertto', 'ascii', 
+                            _get_eval_enc_str(txt)).length
       rescue StandardError, NameError
-	# sorry, I have no plan
-	txt.length
+        # sorry, I have no plan
+        txt.length
       end
     end
   end
@@ -368,53 +368,53 @@ class Tk::Iwidgets::Scrolledtext
       return ["", 0] if compare(start,'>=',stop)
       txt = get(start,stop)
       if (pos = txt.index(pat))
-	match = $&
-	#pos = txt[0..(pos-1)].split('').length if pos > 0
-	pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
-	if pat.kind_of? String
-	  #return [index(start + " + #{pos} chars"), pat.split('').length]
-	  return [index(start + " + #{pos} chars"), 
-		  _ktext_length(pat), pat.dup]
-	else
-	  #return [index(start + " + #{pos} chars"), $&.split('').length]
-	  return [index(start + " + #{pos} chars"), 
-		  _ktext_length(match), match]
-	end
+        match = $&
+        #pos = txt[0..(pos-1)].split('').length if pos > 0
+        pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
+        if pat.kind_of? String
+          #return [index(start + " + #{pos} chars"), pat.split('').length]
+          return [index(start + " + #{pos} chars"), 
+                  _ktext_length(pat), pat.dup]
+        else
+          #return [index(start + " + #{pos} chars"), $&.split('').length]
+          return [index(start + " + #{pos} chars"), 
+                  _ktext_length(match), match]
+        end
       else
-	return ["", 0]
+        return ["", 0]
       end
     else
       txt = get(start,'end - 1 char')
       if (pos = txt.index(pat))
-	match = $&
-	#pos = txt[0..(pos-1)].split('').length if pos > 0
-	pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
-	if pat.kind_of? String
-	  #return [index(start + " + #{pos} chars"), pat.split('').length]
-	  return [index(start + " + #{pos} chars"), 
-		  _ktext_length(pat), pat.dup]
-	else
-	  #return [index(start + " + #{pos} chars"), $&.split('').length]
-	  return [index(start + " + #{pos} chars"), 
-		  _ktext_length(match), match]
-	end
+        match = $&
+        #pos = txt[0..(pos-1)].split('').length if pos > 0
+        pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
+        if pat.kind_of? String
+          #return [index(start + " + #{pos} chars"), pat.split('').length]
+          return [index(start + " + #{pos} chars"), 
+                  _ktext_length(pat), pat.dup]
+        else
+          #return [index(start + " + #{pos} chars"), $&.split('').length]
+          return [index(start + " + #{pos} chars"), 
+                  _ktext_length(match), match]
+        end
       else
-	txt = get('1.0','end - 1 char')
-	if (pos = txt.index(pat))
-	  match = $&
-	  #pos = txt[0..(pos-1)].split('').length if pos > 0
-	  pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
-	  if pat.kind_of? String
-	    #return [index("1.0 + #{pos} chars"), pat.split('').length]
-	    return [index("1.0 + #{pos} chars"), 
-		    _ktext_length(pat), pat.dup]
-	  else
-	    #return [index("1.0 + #{pos} chars"), $&.split('').length]
-	    return [index("1.0 + #{pos} chars"), _ktext_length(match), match]
-	  end
-	else
-	  return ["", 0]
-	end
+        txt = get('1.0','end - 1 char')
+        if (pos = txt.index(pat))
+          match = $&
+          #pos = txt[0..(pos-1)].split('').length if pos > 0
+          pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
+          if pat.kind_of? String
+            #return [index("1.0 + #{pos} chars"), pat.split('').length]
+            return [index("1.0 + #{pos} chars"), 
+                    _ktext_length(pat), pat.dup]
+          else
+            #return [index("1.0 + #{pos} chars"), $&.split('').length]
+            return [index("1.0 + #{pos} chars"), _ktext_length(match), match]
+          end
+        else
+          return ["", 0]
+        end
       end
     end
   end
@@ -429,48 +429,48 @@ class Tk::Iwidgets::Scrolledtext
       return ["", 0] if compare(start,'<=',stop)
       txt = get(stop,start)
       if (pos = txt.rindex(pat))
-	match = $&
-	#pos = txt[0..(pos-1)].split('').length if pos > 0
-	pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
-	if pat.kind_of? String
-	  #return [index(stop + " + #{pos} chars"), pat.split('').length]
-	  return [index(stop + " + #{pos} chars"), _ktext_length(pat), pat.dup]
-	else
-	  #return [index(stop + " + #{pos} chars"), $&.split('').length]
-	  return [index(stop + " + #{pos} chars"), _ktext_length(match), match]
-	end
+        match = $&
+        #pos = txt[0..(pos-1)].split('').length if pos > 0
+        pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
+        if pat.kind_of? String
+          #return [index(stop + " + #{pos} chars"), pat.split('').length]
+          return [index(stop + " + #{pos} chars"), _ktext_length(pat), pat.dup]
+        else
+          #return [index(stop + " + #{pos} chars"), $&.split('').length]
+          return [index(stop + " + #{pos} chars"), _ktext_length(match), match]
+        end
       else
-	return ["", 0]
+        return ["", 0]
       end
     else
       txt = get('1.0',start)
       if (pos = txt.rindex(pat))
-	match = $&
-	#pos = txt[0..(pos-1)].split('').length if pos > 0
-	pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
-	if pat.kind_of? String
-	  #return [index("1.0 + #{pos} chars"), pat.split('').length]
-	  return [index("1.0 + #{pos} chars"), _ktext_length(pat), pat.dup]
-	else
-	  #return [index("1.0 + #{pos} chars"), $&.split('').length]
-	  return [index("1.0 + #{pos} chars"), _ktext_length(match), match]
-	end
+        match = $&
+        #pos = txt[0..(pos-1)].split('').length if pos > 0
+        pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
+        if pat.kind_of? String
+          #return [index("1.0 + #{pos} chars"), pat.split('').length]
+          return [index("1.0 + #{pos} chars"), _ktext_length(pat), pat.dup]
+        else
+          #return [index("1.0 + #{pos} chars"), $&.split('').length]
+          return [index("1.0 + #{pos} chars"), _ktext_length(match), match]
+        end
       else
-	txt = get('1.0','end - 1 char')
-	if (pos = txt.rindex(pat))
-	  match = $&
-	  #pos = txt[0..(pos-1)].split('').length if pos > 0
-	  pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
-	  if pat.kind_of? String
-	    #return [index("1.0 + #{pos} chars"), pat.split('').length]
-	    return [index("1.0 + #{pos} chars"), _ktext_length(pat), pat.dup]
-	  else
-	    #return [index("1.0 + #{pos} chars"), $&.split('').length]
-	    return [index("1.0 + #{pos} chars"), _ktext_length(match), match]
-	  end
-	else
-	  return ["", 0]
-	end
+        txt = get('1.0','end - 1 char')
+        if (pos = txt.rindex(pat))
+          match = $&
+          #pos = txt[0..(pos-1)].split('').length if pos > 0
+          pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
+          if pat.kind_of? String
+            #return [index("1.0 + #{pos} chars"), pat.split('').length]
+            return [index("1.0 + #{pos} chars"), _ktext_length(pat), pat.dup]
+          else
+            #return [index("1.0 + #{pos} chars"), $&.split('').length]
+            return [index("1.0 + #{pos} chars"), _ktext_length(match), match]
+          end
+        else
+          return ["", 0]
+        end
       end
     end
   end
diff --git a/ext/tk/lib/tkextlib/iwidgets/spinner.rb b/ext/tk/lib/tkextlib/iwidgets/spinner.rb
index f4f0eb46c..b5c72b4df 100644
--- a/ext/tk/lib/tkextlib/iwidgets/spinner.rb
+++ b/ext/tk/lib/tkextlib/iwidgets/spinner.rb
@@ -26,16 +26,16 @@ class Tk::Iwidgets::Spinner
     #class CalCmdArgs < TkUtil::CallbackSubst
     class ValidateArgs < TkUtil::CallbackSubst
       KEY_TBL  = [ 
-	[ ?c, ?s, :char ], 
-	[ ?P, ?s, :post ], 
-	[ ?S, ?s, :current ], 
-	[ ?W, ?w, :widget ], 
-	nil
+        [ ?c, ?s, :char ], 
+        [ ?P, ?s, :post ], 
+        [ ?S, ?s, :current ], 
+        [ ?W, ?w, :widget ], 
+        nil
       ]
       PROC_TBL = [ 
-	[ ?s, TkComm.method(:string) ], 
-	[ ?w, TkComm.method(:window) ], 
-	nil
+        [ ?s, TkComm.method(:string) ], 
+        [ ?w, TkComm.method(:window) ], 
+        nil
       ]
       _setup_subst_table(KEY_TBL, PROC_TBL);
     end
diff --git a/ext/tk/lib/tkextlib/iwidgets/toolbar.rb b/ext/tk/lib/tkextlib/iwidgets/toolbar.rb
index fffd5b388..a2a7f3162 100644
--- a/ext/tk/lib/tkextlib/iwidgets/toolbar.rb
+++ b/ext/tk/lib/tkextlib/iwidgets/toolbar.rb
@@ -81,7 +81,7 @@ class Tk::Iwidgets::Toolbar
       tag = Tk::Itk::Component.new(self)
     end
     window(tk_call(@path, 'insert', index(idx), type, 
-		   tagid(tag), *hash_kv(keys)))
+                   tagid(tag), *hash_kv(keys)))
     tag
   end
 end