Re: safe define

Werner LEMBERG <[email protected]> Mon, 11 May 2015 20:44:52 +0200 (CEST)

Newsgroups	gmane.comp.gnu.m4.general
Message-ID	<[email protected]>

>> has someone ever written a `safe define' macro that makes the
>> defined macro expands to itself if called without any argument?
> 
> Yes, the manual even has a section on how to do it:
> https://www.gnu.org/software/m4/manual/m4.html#Composition

Doh.  I've read basically the whole m4 manual, but this section
somehow escaped my attention.  Thanks a lot!


    Werner