1 files changed, 3 insertions, 0 deletions
diff --git a/mandoc.h b/mandoc.h
index 8e1d26fe..f545be22 100644
--- a/mandoc.h
+++ b/mandoc.h
@@ -104,6 +104,9 @@ enum	mandocerr {
 	MANDOCERR_BADESCAPE, /* unknown escape sequence */
 	MANDOCERR_BADQUOTE, /* unterminated quoted string */
 
+	/* related to equations */
+	MANDOCERR_EQNQUOTE, /* unexpected literal in equation */
+
 	MANDOCERR_ERROR, /* ===== start of errors ===== */
 
 	/* related to tables */