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-rw-r--r--src/character.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/character.h b/src/character.h
index c716885d46b..d9e2d7bfc67 100644
--- a/src/character.h
+++ b/src/character.h
@@ -682,6 +682,8 @@ extern bool graphicp (int);
extern bool printablep (int);
extern bool blankp (int);
+extern bool confusable_symbol_character_p (int ch);
+
/* Return a translation table of id number ID. */
#define GET_TRANSLATION_TABLE(id) \
(XCDR (XVECTOR (Vtranslation_table_vector)->contents[(id)]))