From: Gregory Heytings <gregory@heytings.org>
Date: Mon, 1 Aug 2022 15:01:15 +0000 (+0000)
Subject: ; * src/xdisp.c (reseat): Improve recomputations.
X-Git-Tag: emacs-29.0.90~1447^2~431^2~7
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=38d970b748a23d3b8dad6feef8e392f1d6d3c9e5;p=emacs.git

; * src/xdisp.c (reseat): Improve recomputations.
---

diff --git a/src/xdisp.c b/src/xdisp.c
index 9574d06bd5c..c6fc05b8b4a 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -7531,13 +7531,17 @@ reseat (struct it *it, struct text_pos pos, bool force_p)
 
   if (current_buffer->long_line_optimizations_p)
     {
-      if (!it->narrowed_begv
-	  || ((pos.charpos < it->narrowed_begv || pos.charpos > it->narrowed_zv)
-	      && (!redisplaying_p || it->line_wrap == TRUNCATE)))
+      if (!it->narrowed_begv)
 	{
 	  it->narrowed_begv = get_narrowed_begv (it->w, window_point (it->w));
 	  it->narrowed_zv = get_narrowed_zv (it->w, window_point (it->w));
 	}
+      else if ((pos.charpos < it->narrowed_begv || pos.charpos > it->narrowed_zv)
+		&& (!redisplaying_p || it->line_wrap == TRUNCATE))
+	{
+	  it->narrowed_begv = get_narrowed_begv (it->w, pos.charpos);
+	  it->narrowed_zv = get_narrowed_zv (it->w, pos.charpos);
+	}
     }
 
   /* Determine where to check text properties.  Avoid doing it