bug "not" predicate in "playground" #31
Description
with this grammar
`GRAMMAR url url -> (!"a") "v";
playgroud accept only "v" string, and don't accept not "a".
it's incorrect.
{{ message }}
with this grammar
`GRAMMAR url url -> (!"a") "v";
playgroud accept only "v" string, and don't accept not "a".
it's incorrect.