Please see INSTALL.adoc for build info.
Extreme care has been taken to not silently change gameplay. By
-policy, all user-visible changes from 2.5 are revertible with the
--o (oldstyle) command-line option.
+policy, all user-visible changes from 2.5 that are not bugs or typos
+are revertible with the -o (oldstyle) command-line option.
If you encounter a bug (not likely; this code is old and well tested)
please try to make a test log that reproduces it, using the -l option,
and ship it to the maintainers.
+If you find this code useful or amusing, please
+https://www.patreon.com/esr[support me on Patreon.]
+
// end