From 39aaf0b5925b3ddb40e7f6da35b5186872e10f13 Mon Sep 17 00:00:00 2001 From: Matthias Clasen Date: Sat, 4 Feb 2023 15:24:42 +0100 Subject: Tweak backspace-deletes-character MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Don't set this flag for math symbols, to prevent symbols such as ≠ from 'splitting' under backspace. --- pango/break.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/pango/break.c b/pango/break.c index 229a199a..0b636af9 100644 --- a/pango/break.c +++ b/pango/break.c @@ -127,7 +127,8 @@ static const CharJamoProps HangulJamoProps[] = { #define KANA(wc) ((wc) >= 0x3040 && (wc) <= 0x30FF) #define HANGUL(wc) ((wc) >= 0xAC00 && (wc) <= 0xD7A3) #define EMOJI(wc) (_pango_Is_Emoji_Base_Character (wc)) -#define BACKSPACE_DELETES_CHARACTER(wc) (!LATIN (wc) && !CYRILLIC (wc) && !GREEK (wc) && !KANA (wc) && !HANGUL (wc) && !EMOJI (wc)) +#define MATH(wc) ((wc) >= 0x2200 && (wc) <= 0x22FF) +#define BACKSPACE_DELETES_CHARACTER(wc) (!LATIN (wc) && !CYRILLIC (wc) && !GREEK (wc) && !KANA (wc) && !HANGUL (wc) && !EMOJI (wc) && !MATH (wc)) /* Previously "123foo" was two words. But in UAX 29 of Unicode, * we know don't break words between consecutive letters and numbers -- cgit v1.2.1