With Line-end Punctuation Half Width, an opening bracket starting a
wrapped line now loses the half-em space before it (JLREQ 3.1.5), so its
face lines up with the line's start and the line has that much more room.
A paragraph's first line keeps the bracket full width.
Also fixes upright glyphs in vertical type that lost their leading space
(consecutive opening brackets, and now the line start): they moved up the
column but also half an em across it, because the turning point moved
instead of the glyph. The tests now check the position across the line.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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