Eduardo Gomez Saldias 84343f152b Widen display_width_of() to cover Emoji_Presentation code points ... fmt::detail::display_width_of() only treated East Asian Wide/Fullwidth code points and two hand-picked emoji ranges as two columns wide, so emoji outside those ranges (e.g. the Dingbats block: cross mark U+274C, white heavy check mark U+2705) were measured as one column even though most terminals render them double-width. This produced visibly inconsistent padding under {:^N} compared to CJK text (fixes #4851). Replaced the ad hoc boolean expression with a sorted table of ranges (East Asian Wide/Fullwidth plus the full Emoji_Presentation set from Unicode's emoji-data.txt) looked up via binary search, and added regression tests covering the original report plus edge cases: multiple emoji, mixed emoji/CJK/ASCII content, precision truncation, alignment/fill variants, newly covered emoji ranges, and regional indicator (flag) pairs.		2026-07-24 00:10:08 +02:00
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fmt	Widen display_width_of() to cover Emoji_Presentation code points	2026-07-24 00:10:08 +02:00