From: Richard M. Stallman <rms@gnu.org>
Date: Tue, 28 Jun 1994 09:27:39 +0000 (+0000)
Subject: (redisplay_region): For special treatment, BUF most be
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X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/www.github.com/%22bookmarks:///%22http:/www.example.com/cgi/%22https:/www.github.com/%22bookmarks:/?a=commitdiff_plain;h=99b9e975034c4e75341188be392d4b3c91b626ef;p=emacs.git

(redisplay_region): For special treatment, BUF most be
both current and displayed in selected window.
---

diff --git a/src/xdisp.c b/src/xdisp.c
index 937da4f02a1..e241b59e55b 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -1824,6 +1824,9 @@ redisplay_region (buf, start, end)
      we must do other windows.  */
   if (buf != XBUFFER (XWINDOW (selected_window)->buffer))
     windows_or_buffers_changed = 1;
+  /* If it's not current, we can't use beg_unchanged, end_unchanged for it.  */
+  else if (buf != current_buffer)
+    windows_or_buffers_changed = 1;
   /* If multiple windows show this buffer, we must do other windows.  */
   else if (buffer_shared > 1)
     windows_or_buffers_changed = 1;