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Re: [Nmh-workers] Loop support in mh-format?

From: Ralph Corderoy
Subject: Re: [Nmh-workers] Loop support in mh-format?
Date: Sat, 14 Jan 2012 02:14:41 +0000

Hi Ken,

> Staring at the code for fmt_compile.c ... it seems like there's some
> support for looping in the format code (%[...]), but I don't believe
> it's documented anywhere.  Anyone have any idea how it's supposed to
> work?  Or even it it does?

I think the %[...%] is by “JLR”?  do_loop() sets up an FT_DONE that's 1
rather than the normal 0 and then the end of fmt_scan() at finished:
checks if it's true and if so returns the next format instead of NULL,
but only #ifdef JLR.  Without that defined it appears to be ignored so
formatting stops at the first %].  Just from reading, not running, so
could be wrong.  Didn't spot a caller that bothered to check the return
for non-NULL and call again...

Cheers, Ralph.

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