mirah-parser.diff

diff --git a/src/mirahparser/impl/Mirah.mmeta b/src/mirahparser/impl/Mirah.mmeta
index 520b75b..b4c3d36 100644
--- a/src/mirahparser/impl/Mirah.mmeta
+++ b/src/mirahparser/impl/Mirah.mmeta
@@ -1293,7 +1293,8 @@ parser EscapeParser {
                 |codepoint
                 );
 
-  regex: unicode_escape
+  regex: "\\\\" ! {"\\\\"}
+       | unicode_escape
        | "\\"! c=codepoint {"\\#{c}"};
 
   def _codepoint() {