bug#12351: 24.1; parse-colon-path turns empty paths into nil

[Andreas Schwab]

Dave Abrahams <dave@boostpro.com> writes:

> The following function is buggy because of the original bug:
>
> (defun osx-plist-update-exec-path ()
>   "Update `exec-path' from the PATH environment variable."
>   (let ((path (getenv "PATH")))
>     (mapc (lambda (dir)
>             (add-to-list 'exec-path dir))
>           (parse-colon-path path)))
>   exec-path)

In which way is this buggy, apart from the fact that it reverses the
path (which has nothing to do with the behaviour of parse-colon-path)?

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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