1 files changed, 1 insertions, 0 deletions
diff --git a/mandoc.h b/mandoc.h
index a7c1288e..ad4b4fb5 100644
--- a/mandoc.h
+++ b/mandoc.h
@@ -50,6 +50,7 @@ enum	mandocerr {
 	MANDOCERR_MDOCDATE_MISSING, /* Mdocdate missing: Dd ... */
 	MANDOCERR_DATE_LEGACY, /* legacy man(7) date format: Dd ... */
 	MANDOCERR_RCS_MISSING, /* RCS id missing */
+	MANDOCERR_RCS_REP, /* duplicate RCS id: ... */
 	MANDOCERR_MACRO_USELESS, /* useless macro: macro */
 	MANDOCERR_BX, /* consider using OS macro: macro */
 	MANDOCERR_ER_ORDER, /* errnos out of order: Er ... */