LICENSE

The instructions and text in this tutorial (the "software") are licensed
under the zlib License.

      (C) 2016-2021 Akuli

      This software is provided 'as-is', without any express or implied
      warranty.  In no event will the authors be held liable for any damages
      arising from the use of this software.

      Permission is granted to anyone to use this software for any purpose,
      including commercial applications, and to alter it and redistribute it
      freely, subject to the following restrictions:

      1. The origin of this software must not be misrepresented; you must not
         claim that you wrote the original software. If you use this software
         in a product, an acknowledgment in the product documentation would be
         appreciated but is not required.
      2. Altered source versions must be plainly marked as such, and must not be
         misrepresented as being the original software.
      3. This notice may not be removed or altered from any source distribution.


The code examples (the "software") are unlicensed:

      This is free and unencumbered software released into the public domain.

      Anyone is free to copy, modify, publish, use, compile, sell, or
      distribute this software, either in source code form or as a compiled
      binary, for any purpose, commercial or non-commercial, and by any
      means.

      In jurisdictions that recognize copyright laws, the author or authors
      of this software dedicate any and all copyright interest in the
      software to the public domain. We make this dedication for the benefit
      of the public at large and to the detriment of our heirs and
      successors. We intend this dedication to be an overt act of
      relinquishment in perpetuity of all present and future rights to this
      software under copyright law.

      THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
      EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
      MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
      IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
      OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
      ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
      OTHER DEALINGS IN THE SOFTWARE.

      For more information, please refer to <http://unlicense.org>