Fixes recursion bug in disambiguate_in().
[ohcount] / doc / examples / parser_doc_8
1 [lang]_entity := |*
2   entity1 ${ entity = ENTITY1; } => [lang]_ecallback;
3   entity2 ${ entity = ENTITY2; } => [lang]_ecallback;
4   ...
5   entityn ${ entity = ENTITYN; } => [lang]_ecallback;
6 *|;