diff --git a/CSharpTranslator/antlr3/src/cs2j/CSharp/TemplateExtracter.g b/CSharpTranslator/antlr3/src/cs2j/CSharp/TemplateExtracter.g
index 3511a03..335ffd1 100644
--- a/CSharpTranslator/antlr3/src/cs2j/CSharp/TemplateExtracter.g
+++ b/CSharpTranslator/antlr3/src/cs2j/CSharp/TemplateExtracter.g
@@ -1352,16 +1352,20 @@ predefined_type returns [string thetext]:
     ;
 
 identifier:
- 	IDENTIFIER | 'add' | 'alias' | 'assembly' | 'module' | 'field' | 'method' | 'param' | 'property' | 'type'
-	| 'yield' | 'from' | 'into' | 'join' | 'on' | 'where' | 'orderby' | 'group' | 'by' | 'ascending' | 'descending' | 'equals' | 'select' | 'pragma' | 'let' | 'remove' | 'set' | 'var' | '__arglist' | 'dynamic'; 
+ 	IDENTIFIER | 
+    'add' | 'alias' | 'assembly' | 'module' | 'field' | 'method' | 'param' | 'property' | 'type'
+	| 'yield' | 'from' | 'into' | 'join' | 'on' | 'where' | 'orderby' | 'group' | 'by' | 'ascending' 
+    | 'descending' | 'equals' | 'select' | 'pragma' | 'let' | 'remove' | 'get' | 'set' | 'var' | '__arglist' | 'dynamic'
+    | 'elif' | 'endif' | 'define' | 'undef'; 
 
 keyword:
-	'abstract' | 'as' | 'base' | 'bool' | 'break' | 'byte' | 'case' |  'catch' | 'char' | 'checked' | 'class' | 'const' | 'continue' | 'decimal' | 'default' | 'delegate' | 'do' |	'double' | 'else' |	 'enum'  | 'event' | 'explicit' | 'extern' | 'false' | 'finally' | 'fixed' | 'float' | 'for' | 'foreach' | 'goto' | 'if' | 'implicit' | 'in' | 'int' | 'interface' | 'internal' | 'is' | 'lock' | 'long' | 'namespace' | 'new' | 'null' | 'object' | 'operator' | 'out' | 'override' | 'params' | 'private' | 'protected' | 'public' | 'readonly' | 'ref' | 'return' | 'sbyte' | 'sealed' | 'short' | 'sizeof' | 'stackalloc' | 'static' | 'string' | 'struct' | 'switch' | 'this' | 'throw' | 'true' | 'try' | 'typeof' | 'uint' | 'ulong' | 'unchecked' | 'unsafe' | 'ushort' | 'using' |	 'virtual' | 'void' | 'volatile' ;
+	'abstract' | 'as' | 'base' | 'bool' | 'break' | 'byte' | 'case' |  'catch' | 'char' | 'checked' | 'class' | 'const' | 'continue' | 'decimal' | 'default' | 'delegate' | 'do' |	'double' | 'else' |	 'enum'  | 'event' | 'explicit' | 'extern' | 'false' | 'finally' | 'fixed' | 'float' | 'for' | 'foreach' | 'goto' | 'if' | 'implicit' | 'in' | 'int' | 'interface' | 'internal' | 'is' | 'lock' | 'long' | 'namespace' | 'new' | 'null' | 'object' | 'operator' | 'out' | 'override' | 'params' | 'private' | 'protected' | 'public' | 'readonly' | 'ref' | 'return' | 'sbyte' | 'sealed' | 'short' | 'sizeof' | 'stackalloc' | 'static' | 'string' | 'struct' | 'switch' | 'this' | 'throw' | 'true' | 'try' | 'typeof' | 'uint' | 'ulong' | 'unchecked' | 'unsafe' | 'ushort' | 'using' | 'virtual' | 'void' | 'volatile' ;
 
 also_keyword:
 	'add' | 'alias' | 'assembly' | 'module' | 'field' | 'event' | 'method' | 'param' | 'property' | 'type' 
-	| 'yield' | 'from' | 'into' | 'join' | 'on' | 'where' | 'orderby' | 'group' | 'by' | 'ascending' | 'descending' 
-	| 'equals' | 'select' | 'pragma' | 'let' | 'remove' | 'set' | 'var' | '__arglist' | 'dynamic';
+	| 'yield' | 'from' | 'into' | 'join' | 'on' | 'where' | 'orderby' | 'group' | 'by' | 'ascending'
+	| 'descending' | 'equals' | 'select' | 'pragma' | 'let' | 'remove' | 'get' | 'set' | 'var' | '__arglist' | 'dynamic'
+	| 'elif' | 'endif' | 'define' | 'undef';
 
 literal:
 	Real_literal