0.20210320: change LICENSE

Author: zvezdochiot

LICENSE

@@ -1,30 +1,24 @@
-Public Domain Mark 1.0
- No Copyright
-
-    This work has been identified as being free of known restrictions
-    under copyright law, including all related and neighboring rights.
-
-    You can copy, modify, distribute and perform the work, even for
-    commercial purposes, all without asking permission. See Other
-    Information below.
-
- Other Information
-
-    The work may not be free of known copyright restrictions in all
-    jurisdictions.
-
-    Persons may have other rights in or related to the work, such as
-    patent or trademark rights, and others may have rights in how the
-    work is used, such as publicity or privacy rights.
-
-    In some jurisdictions moral rights of the author may persist beyond
-    the term of copyright. These rights may include the right to be
-    identified as the author and the right to object to derogatory
-    treatments.
-
-    Unless expressly stated otherwise, the person who identified the work
-    makes no warranties about the work, and disclaims liability for all
-    uses of the work, to the fullest extent permitted by applicable law.
-
-    When using or citing the work, you should not imply endorsement by
-    the author or the person who identified the work.
+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 <https://unlicense.org>