1.
Automake Makefile.am *.am
foo      [Mm]akefile GNUmakefile
2.
Ruby     [Mm]akefile GNUmakefile *.rb *.ruby *.html
3.
Automake Makefile.am *.am
Ruby     [Mm]akefile GNUmakefile *.rb *.ruby *.html
4.
Ruby     [Mm]akefile GNUmakefile *.rb *.ruby *.html
5.
HTML     *.htm *.html
