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fix the sentence lookup for cases when the top category is undefined.

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Krasimir Angelov
2017-08-07 14:47:20 +02:00
parent ed33e53b2e
commit a4c19875ed
1 changed files with 1 additions and 1 deletions
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src/runtime/c/pgf/lookup.c
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@@ -983,7 +983,7 @@ pgf_lookup_sentence(PgfConcr* concr, PgfType* typ, GuString sentence, GuPool* po
PgfCncCat* cnccat =
gu_map_get(concr->cnccats, typ->cid, PgfCncCat*);
size_t n_ccats = gu_seq_length(cnccat->cats);
size_t n_ccats = (cnccat) ? gu_seq_length(cnccat->cats) : 0;
for (size_t i = 0; i < n_ccats; i++) {
PgfCCat* ccat = gu_seq_get(cnccat->cats, PgfCCat*, i);
PgfCCat* new_ccat = pgf_lookup_concretize(&st, cache, st.start_id, ccat);