Allow user-defined single-letter gracings.

Previously just allowed T.
colomon · Feb 12, 2017 · 2778fb3 · 2778fb3
1 parent 392625e
commit 2778fb3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/ABC/Grammar.pm b/lib/ABC/Grammar.pm
@@ -39,7 +39,7 @@ grammar ABC::Grammar
 
     token long_gracing_text { [<alpha> | '.' | ')' | '(']+ }
     token long_gracing { '+' <long_gracing_text> '+' }
-    token gracing { '.' | '~' | 'T' | <long_gracing> }
+    token gracing { '.' | '~' | <[ H .. Y ]> | <[ h .. w ]> | <long_gracing> }
 
     token spacing { \h+ }