When doing M-x ffap, a file is not suggested (but highlighted) if the file does not exist. So I have a little suggestion on how to fix it. Maybe there exists a better solution, but it worked for me.
The difference here is that I added changed
ret
to
(or ret file)
at the bottom of the function.
(defun ffap-file-exists-string (file &optional nomodify)
;; Early jka-compr versions modified file-exists-p to return the
;; filename, maybe modified by adding a suffix like ".gz". That
;; broke the interface of file-exists-p, so it was later dropped.
;; Here we document and simulate the old behavior.
"Return FILE (maybe modified) if the file exists, else nil.
When using jka-compr (a.k.a. `auto-compression-mode'), the returned
name may have a suffix added from `ffap-compression-suffixes'.
The optional NOMODIFY argument suppresses the extra search."
(cond
((not file) nil) ; quietly reject nil
((file-exists-p file) file) ; try unmodified first
;; three reasons to suppress search:
(nomodify nil)
((not (rassq 'jka-compr-handler file-name-handler-alist)) nil)
((member (ffap-file-suffix file) ffap-compression-suffixes) nil)
(t ; ok, do the search
(let ((list ffap-compression-suffixes) try ret)
(while list
(if (file-exists-p (setq try (concat file (car list))))
(setq ret try list nil)
(setq list (cdr list))))
(or ret file)))))
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Free Software Consultant
Cell: +47 - 47 34 40 08
Phone: +47 - 21 53 69 00, Fax: +47 - 21 53 69 09
Addr: Slemdalsveien 70, PB 1 Vinderen, 0319 Oslo