On 29 August 2017 at 17:49, Eli Zaretskii <eliz@gnu.org> wrote:

​[snip]

I attach an updated patch with the documentation changes (to manual and
NEWS).​


> The issue I alluded to is a subtle misfeature in the Windows
> implementation of execvp (and similar Posix functions): the arguments
> you pass via the argv array get concatenated into a single
> command-line string, and that string is passed to the Windows system
> API that actually invokes the program.  So argv[] elements that
> include whitespace need to be quoted(!) to work correctly on
> MS-Windows.  (Of course, this quoting must be ifdef'ed away for Posix
> platforms.)
>

​I see, thanks for the explanation. Doesn't w32_execvp handle this already?

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