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authorMatthias Clasen <mclasen@redhat.com>2023-02-04 15:24:42 +0100
committerMatthias Clasen <mclasen@redhat.com>2023-02-04 15:24:42 +0100
commit39aaf0b5925b3ddb40e7f6da35b5186872e10f13 (patch)
tree3fead6b11688b8f7844ce71b9a9afb0e2c150921
parentc895f9a8c4b7c4d5553d6fde1c95921117fffbc5 (diff)
downloadpango-backspace-tweaks.tar.gz
Tweak backspace-deletes-characterbackspace-tweaks
Don't set this flag for math symbols, to prevent symbols such as ≠ from 'splitting' under backspace.
-rw-r--r--pango/break.c3
1 files changed, 2 insertions, 1 deletions
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