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