This project (pikslide) is licensed under the Zero-Clause BSD license; see
LICENSE.

The .pik tokenizer, grammar, macro expansion, layout formulas, default
variable table, and color name table in src/pikslide/pik/ are substantially
ported (in several places, directly transcribed) from pikchr:

    pikchr - https://pikchr.org/
    Copyright (C) 2020-09-01 by D. Richard Hipp <drh@sqlite.org>

pikchr's own source (pikchr.y) states it is released under the following
terms:

    Zero-Clause BSD license:

    Permission to use, copy, modify, and/or distribute this software for
    any purpose with or without fee is hereby granted.
