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-rw-r--r--src/runtime/c/pgf/literals.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/runtime/c/pgf/literals.h b/src/runtime/c/pgf/literals.h
index bf071c202..7de17b121 100644
--- a/src/runtime/c/pgf/literals.h
+++ b/src/runtime/c/pgf/literals.h
@@ -6,6 +6,9 @@
// literal for named entities recognition
extern PgfLiteralCallback pgf_nerc_literal_callback;
+// literal for finding unknown words
+extern PgfLiteralCallback pgf_unknown_literal_callback;
+
PgfCCat*
pgf_literal_cat(PgfConcr* concr, PgfLiteral lit);