Re: master daea9b3 1/2: Read mailcaps again only when necessary

[Lars Ingebrigtsen]

Stefan Monnier <monnier@iro.umontreal.ca> writes:

>     (defun mailcap-parse-file (file &optional cache)
>       (unless (file-name-absolute-p file) (setq file (expand-file-name file)))
>       (or (and cache
>                (file-unchanged-p file cache)
>                (gethash (cons file 'mailcap-parse-file) cache))
>           (let ((data <do the actual parsing>))
>             (when cache
>               (puthash (cons file 'mailcap-parse-file) data cache))
>             data)))

That does have the advantage that the package can store the data for
many files in the same place, which is nice.  But the interface doesn't
seem as clear as it could be.

-- 
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