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[subset] Add note re --desubroutinize resulting in smaller WOFF/WOFF2

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Behdad Esfahbod 2015-04-22 16:02:19 -07:00
parent 2df891f25c
commit ffd2e35371
1 changed files with 3 additions and 1 deletions
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Lib/fontTools/subset.py
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@ -177,7 +177,9 @@ Optimization options:
--desubroutinize
Remove CFF use of subroutinizes. Subroutinization is a way to make CFF
fonts smaller. For small subsets however, desubroutinizing might make
the font smaller. Also see note under --no-hinting.
the font smaller. It has even been reported that desubroutinized CFF
fonts compress better (produce smaller output) WOFF and WOFF2 fonts.
Also see note under --no-hinting.
--no-desubroutinize [default]
Leave CFF subroutinizes as is, only throw away unused subroutinizes.