master ebe9cd3e9f: Improvement for long line optimizations.

[Gregory Heytings]

branch: master
commit ebe9cd3e9fbf7817b8bf458a036f5a33a786662d
Author: Gregory Heytings <gregory@heytings.org>
Commit: Gregory Heytings <gregory@heytings.org>

    Improvement for long line optimizations.
    
    * src/xdisp.c (handle_fontified_prop): Also apply the forced
    narrowing at BOB.
---
 src/xdisp.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/xdisp.c b/src/xdisp.c
index 8a4cca8434..9580e59601 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'