SFD Normalizer (Extracted utility from DejaVu Fonts & Libertinus Fonts projects)
CC0-1.0 License
Normalize Spline Font Database (SFD) files by discarding GUI state information making them easier to track in version control without clutter and conflicts between users.
$ sfdnormalize --help
usage: sfdnormalize [-h] [--replace] [--version] [--keep KEEP]
[--sfd-version VERSION]
input_file [output_file]
https://github.com/alerque/sfdnormalize
(For authors, see AUTHORS in source distribution.)
Normalize Spline Font Database (SFD) files
positional arguments:
input_file Input SFD before normalization
output_file Path to write normalized SFD (default: None)
optional arguments:
-h, --help show this help message and exit
--replace, -r Replace in place (default: False)
--version, -V show program's version number and exit
--keep KEEP, -k KEEP Keep lines beginning with these even if they'd be
normally dropped. (Can provide multiple times.)
(default: None)
--sfd-version VERSION, -s VERSION
By default, latest SFD revision known to this program
will be written, unless specified here (default: 3.2)
This script started life in the DejaVu Font project written in Perl (and dedicated to the Public Domain). At some point somebody rewrote it in Python, although I was unable to find any history between the latest Perl version and the first Python version that showed up in the Libertinus Font project.