fixed: whitespace before tab

AppKit/CPTextView/_CPRTFParser.j

@@ -334,6 +334,7 @@ var kRgsymRtf = {
     CPArray             _fontArray;
     CPString            _freename;
     BOOL                _parsingFontTable;
+    BOOL                _keywordIsControlWord;
 
     // Table parsing state
     BOOL                _inTableActive;
@@ -353,6 +354,7 @@ var kRgsymRtf = {
         _states             = [];
         _currentParseIndex  = 0;
         _hexreturn          = NO;
+        _keywordIsControlWord = NO;
         _result             = [CPAttributedString new];
         _colorArray         = [];
         _fontArray          = ['Arial'];   // FIXME: should be name of system font
@@ -889,7 +891,12 @@ var kRgsymRtf = {
     ch = rtf.charAt(_currentParseIndex);
 
     if (!/[a-zA-Z]/.test(ch))
+    {
+        _keywordIsControlWord = NO;
         return [self _translateKeyword:ch parameter:nil fParameter:fParam];
+    }
+
+    _keywordIsControlWord = YES;
 
     while (new RegExp("[a-zA-Z]").test(ch))
     {
@@ -978,6 +985,7 @@ var kRgsymRtf = {
                 break;
 
             case "{":
+                lastchar = 0;
                 if (_waitingForNextRow)
                     [self _flushTableIfAny];
 
@@ -986,6 +994,7 @@ var kRgsymRtf = {
                 break;
 
             case "}":
+                lastchar = 0;
                 if (_waitingForNextRow)
                     [self _flushTableIfAny];
 
@@ -1009,7 +1018,7 @@ var kRgsymRtf = {
                 _freename = '';
                 ch = [self _parseKeyword:rtf length:len];
 
-                if (!_hexreturn && ch.length == 0)
+                if (!_hexreturn && _keywordIsControlWord)
                     lastchar = 1;
                 else
                     lastchar = 0;
@@ -1040,6 +1049,7 @@ var kRgsymRtf = {
             case 0x0a:
             case '\n':
             case '\r':
+                lastchar = 0;
                 break;
 
             default: