@url{http://news.dieweltistgarnichtso.net/bin/redo-sh.html, redo-sh.tests}
and implementation-neutral ones from @command{apenwarr/redo}.
-goredo is free software, licenced under
-@url{https://www.gnu.org/licenses/gpl-3.0.html, GNU GPLv3}:
-see the file COPYING for copying conditions.
+If you are not familiar with the redo, then here are advisable links to read:
+
+@itemize
+@item @url{https://redo.readthedocs.io/en/latest/, apenwarr/redo documentation}
+@item @url{http://jdebp.eu/FGA/introduction-to-redo.html, Introduction to redo}
+@item @url{https://apenwarr.ca/log/20101214, The only build system that might someday replace make... is djb redo}
+@end itemize
+
+@command{goredo} is
+@url{https://www.gnu.org/philosophy/pragmatic.html, copylefted}
+@url{https://www.gnu.org/philosophy/free-sw.html, free software}
+licenced under @url{https://www.gnu.org/licenses/gpl-3.0.html, GNU GPLv3}.
+It should work on all @url{https://en.wikipedia.org/wiki/POSIX,
+POSIX}-compatible systems.
Please send questions, bug reports and patches to
@url{https://lists.cypherpunks.ru/mailman/listinfo/goredo-devel, goredo-devel}