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Merge pull request #216 from mingrath/test/thai-multi-mark-cluster

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test(terminal): pin that a base keeps every stacked combining mark
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l0ng-ai
2026-07-27 13:50:20 +08:00
committed by GitHub
parent de5758d917 2da33d2e0d
commit fcdfbfbfec
1 changed files with 9 additions and 0 deletions
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src/terminal/element.rs
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@@ -2146,6 +2146,15 @@ mod tests {
let mut row = wide_cells("\u{2764}");
row[0].marks = Some(Box::from(['\u{FE0F}']));
assert_eq!(segment_row(&row), [cluster(0, 2, "\u{2764}\u{FE0F}")]);
// Several marks on one base: an above-base vowel and a tone mark both
// sit on the consonant (ที่ = ท U+0E17 + ◌ี U+0E35 + ◌่ U+0E48).
let mut row = vec![cell('\u{0E17}'), cell('a')];
row[0].marks = Some(Box::from(['\u{0E35}', '\u{0E48}']));
assert_eq!(
segment_row(&row),
[cluster(0, 1, "\u{0E17}\u{0E35}\u{0E48}"), run(1, 1, "a")]
);
}
/// A marked cell never joins a batch: marks add characters without adding