Type: Mojikumi spacing at line ends counts when lines break

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With Line-end Punctuation Half Width, a closing bracket, comma or full
stop ending a line is set half width, but both composers measured it at
full width. A closing bracket that fit only at half width went to the
next line with the character before it, and so did a comma or full stop
with Burasagari None.

The single-line and every-line composers now measure each candidate
line with its last character set as narrow as Mojikumi sets it, using
the same rule the line is drawn with. A mark that already lost its half
to the punctuation after it and a line ending in a hyphen take nothing
more off, and the quarter em between Japanese and Latin text counts only
where the line ends. Kinsoku Shori Type measures the pushed-in and
pushed-out lines the same way. Right-to-left lines and Mojikumi None
break as before.

A test font sets ideographs and Japanese punctuation one em wide, so
the layout tests run without system fonts.

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This commit is contained in:

dotCooCoo

2026-11-11 15:20:34 -08:00

parent 7f3a046b18

commit a5bfa524dc

7 changed files with 340 additions and 34 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

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docs/target-app-parity.md

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