From: Eli Zaretskii <eliz@gnu.org>
Date: Thu, 3 Mar 2022 13:53:04 +0000 (+0200)
Subject: One more fix of the BPA implementation
X-Git-Tag: emacs-28.0.92~14
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=92e2d19fe787ce73db15d1549880b54743c0d929;p=emacs.git

One more fix of the BPA implementation

* src/bidi.c (bidi_find_bracket_pairs): Disable BPA optimization
when there are no strong directional characters inside the
bracketed pair.  (Bug#54219)
---

diff --git a/src/bidi.c b/src/bidi.c
index 5f47d9e9a7c..a548960048a 100644
--- a/src/bidi.c
+++ b/src/bidi.c
@@ -2758,6 +2758,7 @@ bidi_find_bracket_pairs (struct bidi_it *bidi_it)
 	 (which requires the display engine to copy the cache back and
 	 forth many times).  */
       if (maxlevel == base_level
+	  && (l2r_seen || r2l_seen) /* N0d */
 	  && ((base_level == 0 && !r2l_seen)
 	      || (base_level == 1 && !l2r_seen)))
 	{