bug#1321: process-lines

[Stefan Monnier <monnier@iro.umontreal.ca>]

> Just adding an optional argument to process-lines is difficult without
> breaking the API, due to its use of &rest.  I suggest something along the
> lines of the following patch:

FWIW, I don't really like process-lines at all.  It's used rather
rarely, so most uses would be just as happy with something like

    (with-temp-buffer
      (call-process <prog> nil t nil <args>)
      (get-buffer-lines))


-- Stefan