master b48bf42fc2: ; * src/buffer.h (struct buffer_text): Improve commentary.

[Eli Zaretskii]

branch: master
commit b48bf42fc208281ba549f28d7a26d44713b34863
Author: Eli Zaretskii <eliz@gnu.org>
Commit: Eli Zaretskii <eliz@gnu.org>

    ; * src/buffer.h (struct buffer_text): Improve commentary.
---
 src/buffer.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/buffer.h b/src/buffer.h
index 77f9ea20af..cbdbae798b 100644
--- a/src/buffer.h
+++ b/src/buffer.h
@@ -274,7 +274,9 @@ struct buffer_text
        end_unchanged contain no useful information.  */
     modiff_count overlay_unchanged_modified;
 
-    /* CHARS_MODIFF as of last redisplay that finished.  */
+    /* CHARS_MODIFF as of last redisplay that finished.  It's used
+       when we only care about changes in actual buffer text, not in
+       any other kind of changes, like properties etc.  */
     modiff_count chars_unchanged_modified;
 
     /* Properties of this buffer's text.  */