jedib0t / go-pretty / 36663913458

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Pull #429

github

text: apply the box drawing width override in StringWidth

RuneWidth treats box drawing (U+2500-U+257F) and block element
(U+2580-U+259F) characters as one cell wide regardless of locale, and
StringWidthWithoutEscSequences inherits that because it sums RuneWidth
over the string. StringWidth calls runewidth directly, so in East Asian
locales (where go-runewidth sets EastAsianWidth from LANG/LC_ALL) it
reports those characters as two cells: StringWidth("┌──┐") returns 8
while StringWidthWithoutEscSequences("┌──┐") returns 4.

Apply the same correction in StringWidth, keeping the grapheme cluster
aware count from runewidth for everything else.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

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