diff -r ef5492aa8d8b -r 80e29e23eb4e jitcraft/Scanner.cpp
--- a/jitcraft/Scanner.cpp	Sun Jul 15 14:40:11 2012 -0700
+++ b/jitcraft/Scanner.cpp	Sun Jul 15 19:48:15 2012 -0700
@@ -476,6 +476,13 @@
           case ',': return TOK_COMMA;
           case '\0': return TOK_EOF;
 
+          case '!':
+            c = getChar();
+            if (c == '=')
+                return TOK_NOTEQUALS;
+            putChar(c);
+            return TOK_NOT;
+
           case '=':
             c = getChar();
             if (c == '=')