On Friday 10 April 2009 00:27:24 Eric Blake wrote: > According to Eric Blake on 4/6/2009 8:25 PM: > > According to Mike Frysinger on 4/6/2009 3:43 PM: > > I'm also leaning towards omitting the else if $1 is provably blank, > > otherwise providing the : in case non-blank $1 ultimately expands to a > > blank (unless someone finds a shell where 'if false ; then :; fi; echo > > $?' fails to output 0). AS_CASE and AS_FOR are also candidates for this. > > And it will be easier with m4_ifblank. Stay tuned; I'll have a patch by > > the end of the week. > > Here's what I'm about to apply.
this looks good to me (but didnt actually test), thanks ! perhaps also update the documentation of m4_normalize and m4_strip to refer to m4_blank/m4_nblank ? http://www.gnu.org/software/autoconf/manual/autoconf.html#index- m4_005fnormalize-1208 -mike
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