bug#7229: patch

[Thibault Kruse]

HI,

i dont know where the ffap sources are in emacs 23.1, therefore I could not 
write a patch myself, but as a workaround, I created this advice. Maybe it can 
help.

(require 'advice)
(defadvice ffap-file-at-point (around bugfix-ffap  activate)
  "returns nil when point is somewhere we do not want to guess filenames"
  (require 'thingatpt)
;;; prevent in javadoc style comments
  (narrow-to-region (line-beginning-position) (line-end-position))
  (unless (or
           (thing-at-point-looking-at "[\\*]+")
           ;; for xml modes, not sure about other modes
           (and (member major-mode '(sgml-mode nxml-mode))
                ;; ignore about <somenode/> and </somenode>
                (or (thing-at-point-looking-at "</?[a-zA-Z_][a-zA-Z0-9:_.-]+")
                    (thing-at-point-looking-at "/>"))))
    ad-do-it))

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