Re: clean up m4sh.m4, then optimize AS_PATH_WALK

[Stepan Kasal]

Hello,

> 2006-04-01  Eric Blake  <address@hidden>
> 
>       * lib/m4sugar/m4sh.m4: Sort sections as implied by the comments,
>       and fix some typos.

I committed both of these, modifying the ``Sort'' one a bit:
- I made sure there are two empty lines between the individual macros.
- I moved _AS_MKDIR_P_PREPARE after _AS_MKDIR_P.  (Well, this might
  have been a mistake, but it's not worth fixing it.)
The exact form of that patch is attached to this post.

> 2006-04-01  Eric Blake  <address@hidden>
> 
>       * lib/m4sugar/m4sh.m4 (_AS_PATH_WALK): Optimize non-existant
>       directories, unless optional third argument supplied.
>       (AS_UNAME): Don't optimize PATH walk.

I committed this one exactly as submitted.

Thanks you, Eric.

Stepan

autoconf-20060401-m4sh-typos.patch
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