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Fix ZWJ swallowing the following character; clearer TypeErrors for bad input#230

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rantkiglorelgmx-lab:fix/zwj-swallow-and-type-errors
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Fix ZWJ swallowing the following character; clearer TypeErrors for bad input#230
rantkiglorelgmx-lab wants to merge 3 commits into
jquast:masterfrom
rantkiglorelgmx-lab:fix/zwj-swallow-and-type-errors

wcswidth: don't swallow the character after a ZWJ

4558922
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CodSpeed HQ / CodSpeed Performance Analysis failed Jul 4, 2026 in 0s

Performance Regression: -26.94%

❌ 1 regressed benchmark
✅ 107 untouched benchmarks

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

Benchmark BASE HEAD Efficiency
test_wcswidth_emoji_sequence 63.1 µs 86.4 µs -26.94%

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Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.


Comparing rantkiglorelgmx-lab:fix/zwj-swallow-and-type-errors (4558922) with master (5a71d7d)

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