OS Manuals

/usr/bin/psfpreflightversion

SIL Global's Python font utilities (psf* command-line tools for UFO, TTF and OpenType feature workflows)

From pysilfont 1.8.0_git20260910-r1 (os), captured 2026-11-05 by running psfpreflightversion --help (exit 0) · terse output. permalink

Pysilfont Copyright (c) 2014-2025, SIL Global (https://www.sil.org)

   Version:           1.8.1.dev14
   Commands in:       /usr/bin/psfprefli
   Code running from: /opt/chainguard/pysilfont/lib/python3.13/site-packages/silfont
   using:             Python 3.13.18 (heads/3.13-dirty:42155a0feac, Oct 30 2026, 12:58:06) [GCC 16.2.0]

defcon:              0.12.2          /opt/chainguard/pysilfont/lib/python3.13/site-packages/defcon
fontMath:            0.10.0          /opt/chainguard/pysilfont/lib/python3.13/site-packages/fontMath
fontParts:           1.1.1           /opt/chainguard/pysilfont/lib/python3.13/site-packages/fontParts
fontTools:           4.67.0          /opt/chainguard/pysilfont/lib/python3.13/site-packages/fontTools
glyphsLib:           6.16.2          /opt/chainguard/pysilfont/lib/python3.13/site-packages/glyphsLib
lxml:                6.1.3           /opt/chainguard/pysilfont/lib/python3.13/site-packages/lxml
mutatorMath:         3.0.1           /opt/chainguard/pysilfont/lib/python3.13/site-packages/mutatorMath
palaso:              Module is not installed
ufoLib2:             0.19.1          /opt/chainguard/pysilfont/lib/python3.13/site-packages/ufoLib2
feaxlib:             Module is not installed

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.