From cd51d9c7ab5914fb58cbba6ae7bf5d53f7fef03f Mon Sep 17 00:00:00 2001
From: Eli Zaretskii <eliz@gnu.org>
Date: Thu, 3 Mar 2022 14:46:20 +0200
Subject: [PATCH] Fix handling of brackets in BPA
* src/bidi.c (bidi_resolve_brackets): Fix implementation of UBA's
N0 rule when there are no strong directional characters inside the
bracketed pair. (Bug#54219)
---
src/bidi.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/bidi.c b/src/bidi.c
index 30a3be6c94e..5f47d9e9a7c 100644
--- a/src/bidi.c
+++ b/src/bidi.c
@@ -2924,7 +2924,8 @@ bidi_resolve_brackets (struct bidi_it *bidi_it)
eassert (bidi_it->bracket_pairing_pos > bidi_it->charpos);
if (bidi_it->bracket_enclosed_type == embedding_type) /* N0b */
type = embedding_type;
- else
+ else if (bidi_it->bracket_enclosed_type == STRONG_L /* N0c, N0d */
+ || bidi_it->bracket_enclosed_type == STRONG_R)
{
switch (bidi_it->prev_for_neutral.type)
{
@@ -2944,6 +2945,7 @@ bidi_resolve_brackets (struct bidi_it *bidi_it)
break;
default:
/* N0d: Do not set the type for that bracket pair. */
+ /* (Actuallly, this shouldn't happen.) */
break;
}
}
--
2.39.5