From: Gregory Heytings <gregory@heytings.org>
Date: Fri, 29 Jul 2022 15:26:49 +0000 (+0000)
Subject: Improvement for long line optimizations.
X-Git-Tag: emacs-29.0.90~1447^2~664
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=ebe9cd3e9fbf7817b8bf458a036f5a33a786662d;p=emacs.git

Improvement for long line optimizations.

* src/xdisp.c (handle_fontified_prop): Also apply the forced
narrowing at BOB.
---

diff --git a/src/xdisp.c b/src/xdisp.c
index 8a4cca8434b..9580e596012 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -4407,8 +4407,9 @@ handle_fontified_prop (struct it *it)
 
       eassert (it->end_charpos == ZV);
 
-      if (it->narrowed_begv)
-	Fnarrow_to_region (make_fixnum (it->narrowed_begv),
+      if (current_buffer->long_line_optimizations_p)
+	Fnarrow_to_region (make_fixnum (it->narrowed_begv ?
+					it->narrowed_begv : BEGV),
 			   make_fixnum (it->narrowed_zv), Qt);
 
       /* Don't allow Lisp that runs from 'fontification-functions'