ahrf.awk: Change list regexes and syntax
ahrf.awk: Just an experiment. We are on the testing branch after all
Makefile: Add an option to verify all awk variants
ahrf.awk: Enable multi-space(s) after * for LIST_UL (validated)
test: The "* * My Foo Line" works (validated)
test: Remove deprecated (and probably unused) syntax. Replaced by 1202908a (validated)
README.md: Some additions
README.md: Newline
Makefile: Improve the portability