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Fix handling of brackets in BPA

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* 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)
This commit is contained in:
Eli Zaretskii 2022-03-03 14:46:20 +02:00
parent 225e0d6047
commit cd51d9c7ab
1 changed files with 3 additions and 1 deletions
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4
src/bidi.c
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@ -2924,7 +2924,8 @@ bidi_resolve_brackets (struct bidi_it *bidi_it)
eassert (bidi_it->bracket_pairing_pos > bidi_it->charpos); eassert (bidi_it->bracket_pairing_pos > bidi_it->charpos);
if (bidi_it->bracket_enclosed_type == embedding_type) /* N0b */ if (bidi_it->bracket_enclosed_type == embedding_type) /* N0b */
type = embedding_type; 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) switch (bidi_it->prev_for_neutral.type)
{ {
@ -2944,6 +2945,7 @@ bidi_resolve_brackets (struct bidi_it *bidi_it)
break; break;
default: default:
/* N0d: Do not set the type for that bracket pair. */ /* N0d: Do not set the type for that bracket pair. */
/* (Actuallly, this shouldn't happen.) */
break; break;
} }
} }