diff -Naur Template-Toolkit-2.08/parser/Parser.yp Template-Toolkit-2.08-bitop/parser/Parser.yp
--- Template-Toolkit-2.08/parser/Parser.yp      Fri Jul 19 23:22:57 2002
+++ Template-Toolkit-2.08-bitop/parser/Parser.yp        Wed Nov 27 21:34:19 2002
@@ -50,6 +50,7 @@
 %left DOT
 %left CMPOP
 %left BINOP
+%left BITOP
 %left '+'
 %left '/'
 %left DIV
@@ -358,6 +359,7 @@
 ;

 expr:      expr BINOP expr         { "$_[1] $_[2] $_[3]"                 }
+        |   expr BITOP expr         { "$_[1] $_[2] $_[3]"                 }
        |   expr '/' expr           { "$_[1] $_[2] $_[3]"                 }
        |   expr '+' expr           { "$_[1] $_[2] $_[3]"                 }
        |   expr DIV expr           { "int($_[1] / $_[3])"                }