M LICENSE → LICENSE.CC-BY-SA

A LICENSE.ISC

@@ -0,0 +1,15 @@
+ISC License
+
+Copyright (c) 2020-2021 la-ninpre
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.

M README.md → README.md

@@ -14,3 +14,12 @@
 for my ease of use i added
 [this git hook](https://jekyllrb.com/docs/deployment/automated/)
 to my server-side git repository.
+
+## license
+
+all site contents are licensed under
+[creative commons attribution share-alike][1] license (see `LICENSE.CC-BY-SA`).
+
+all supplemental code is licensed under an isc license (see `LICENSE.ISC`).
+
+[1]:https://creativecommons.org/licenses/by-sa/4.0/

M _includes/footer.html → _includes/footer.html

@@ -1,7 +1,7 @@
 <footer>
     <hr>
     <p>
-        licensed under
+        all site contents are licensed under
         <a href="http://creativecommons.org/licenses/by-sa/4.0/">
             cc-by-sa-4.0
         </a>