zgrep: do not assume standard 'grep' has -e
[debian/gzip] / zmore.1
2012-06-20 Paul Eggertzmore: rewrite to fix bugs and assume POSIX
2009-09-26 Jim Meyeringmaint: remove trailing blanks
2001-10-18 Paul Eggertgzip 1.3.5
1993-06-16 Jean-loup Gaillygzip 1.3