Re: Patches with independent changes

[Eli Zaretskii <eliz@gnu.org>]

> Date: Fri, 24 Jan 2014 08:43:19 -0800
> From: Paul Eggert <eggert@cs.ucla.edu>
> CC: emacs-devel@gnu.org
> 
> [retitling from "Changes in update-game-score.c"]

[Why?]

> Eli Zaretskii wrote:
> 
> > chmod is documented to be able to return both negative and positive values
> 
> Really?  Where is it documented to do that?

I could have sworn that I saw it on MSDN, but I cannot find it now, so
apologies about that part.

> Even if you're correct, which I doubt, trunk bzr 116116 would still be 
> an example of what you're calling a "sumo" patch -- a patch containing 
> multiple independent changes. One change addresses WINDOWSNT's lack of 
> fchmod. Another addresses the perhaps-hypothetical issue that chmod can 
> return positive values.

No, they both address the fact that fchmod is not available on
Windows.  One without the other would break the build on Windows.
That I used < rather than != is immaterial, because both are correct
in this case.