add %% form of %

TimToady · TimToady · commit 9fe2e1b0dbc2 · 2011-09-25T17:36:57.000-07:00
diff --git a/STD.pm6 b/STD.pm6
@@ -4833,7 +4833,7 @@ grammar Regex is STD {
     }
 
     token separator {
-        '%' <normspace>? <quantified_atom>
+        '%''%'? <normspace>? <quantified_atom>
     }
 
     token atom {
