They're specified in POSIX, so if that doesn't count as portable, it'd be nice to have a little more explanation in the comment in maint.mk.
-- http://rrt.sc3d.org
- test: -a and -o not portable? Since when? Reuben Thomas
- Re: test: -a and -o not portable? Since when? Paul Eggert
- Re: test: -a and -o not portable? Since when? Reuben Thomas
