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Remove U+FEFF ZERO WIDTH NO-BREAK SPACE #40

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stone-zeng opened this issue Jun 4, 2019 · 3 comments
Closed

Remove U+FEFF ZERO WIDTH NO-BREAK SPACE #40

stone-zeng opened this issue Jun 4, 2019 · 3 comments
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help wanted Extra attention is needed

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@stone-zeng
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At present U+FEFF ZERO WIDTH NO-BREAK SPACE is leave as an empty glyph (only in regular weight). Should I keep this, or simply remove it? Do I need to consider such special things when design a font?
@stone-zeng stone-zeng added the help wanted Extra attention is needed label Jun 4, 2019
@bwiernik
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bwiernik commented Jun 5, 2019

It's a useful character to force equations to not break across lines.

@stone-zeng
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U+FEFF should be interpreted as the Byte order mark. The use of ZERO WIDTH NON-BREAKING SPACE (ZWNBSP) is deprecated and therefore "the use of U+2060 WORD JOINER is strongly preferred over ZWNBSP for expressing word joining semantics since it cannot be confused with a BOM".

See http://www.unicode.org/faq/utf_bom.html#BOM.

@stone-zeng
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Finally I decided to remove it.

stone-zeng added a commit that referenced this issue Jan 13, 2020
@stone-zeng
Remove U+FEFF ZERO WIDTH NO-BREAK SPACE
368371f 
Close #40.
stone-zeng added a commit that referenced this issue Jan 13, 2020
@stone-zeng
update from master
54570dc 
update README.md [ci skip]

glyph: finish arrow block for thin weight

script: support woff; fontforge use python3 now

script: add main function in build.py [ci skip]

glyph: update semi-circle and circle arrowa

glyph: arrow block for ultra weight

glyph: correct start points and directions for master weights

glyph: arrows for all weights

glyph: fix uni21E1

glyph: add more arrows

- Update squiggle arrows in ultra.
- Complete Supplemental Arrows-A.
- Add some more arrows in other blocks (from trivial transformation).
- Update some scripts to python3.

Remove U+FEFF ZERO WIDTH NO-BREAK SPACE

Close #40.

add hhea and OS/2 tables for ascent, descent and lineGap

update changelog [ci skip]

Replace soon-to-be deprecated \etex_iffontchar:D by \tex_iffontchar:D

update copyright [ci skip]
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