Fonts in this directory
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GQC Sans and GQC Mono are subset derivatives of IBM Plex Sans and IBM Plex Mono.

  Copyright 2017 IBM Corp., with Reserved Font Name "Plex".
  Licensed under the SIL Open Font License, Version 1.1 (see OFL.txt).

They have been renamed because SIL OFL 1.1 treats a subset as a Modified
Version, and clause 3 forbids a Modified Version from using a Reserved Font
Name. "Plex" is reserved, so the derivative carries its own name in both the
CSS font-family and the font files' internal name tables.

Changes made to the originals:
  - Subset to Latin-1 plus common punctuation and symbols
  - Layout features limited to kern, liga and calt
  - CFF subroutines flattened
  - Renamed per OFL clause 3

Nothing else was altered. The original, unmodified fonts are available from
https://github.com/IBM/plex under the same licence.