1 files changed, 2 insertions, 0 deletions

diff --git a/src/coding.h b/src/coding.h
index d40209be68f..d13fd42fe4f 100644
--- a/src/coding.h
+++ b/src/coding.h
@@ -444,6 +444,8 @@ struct coding_system
      the eol format.  */
   ptrdiff_t head_ascii;
 
+  ptrdiff_t detected_utf8_chars;
+
   /* Used internally in coding.c.  See the comment of detect_ascii.  */
   int eol_seen;