100644 blob f12c54cd5f5b86c67312bb6f4283051a81d816dc	egrep-is-not-case-insensitive
100644 blob 8db154c21876a75b145ab36b628730d59caba7f9	egrep-supports-extended-regexps
100644 blob b14dc10c957baa6bf9ff46b13fb191e1238a2ac1	grep-handles-multiple-regexps
100644 blob f28afda6284144a40f3086e200b2793b718131b0	grep-is-also-egrep