- configure - Add --default --platform --help --destdir
- make - Change clean/clobber/distclean to be the same and to also unconfigure
- configure - Add --disable-mail-test --enable-mail-test
- Fix copyright/license info (.reuse/dep5) (spotted by Marc Haber)
- configure - Fix error message for unknown options
- configure - Add --platform info to --help output
- INSTALL - Update to reflect recent ./configure changes
- configure - Fix --platform check, Add conf/slackware, Tweak output