bug#19274: tar-mode.el: allow for adding new archive members

[Stefan Monnier]

>>> + ;; omit tar-header-checksum (tar-chk-offset) for now
>> Please capitalize and punctuate your comments.
>       Even the one-line ones?

Yes, we do that for all comments, since this poor little sentence would
feel disrespected otherwise.

>       BTW, I wonder if it makes sense to split the make-tar-header
>       form (with all the nil’s there) off tar-new-entry into a new
>       (tar-new-regular-file-header filename &optional size time)
>       function?  I guess that’d ease the creation of Tar archives from
>       Emacs Lisp code; (and I already imagine some uses to that.)

BTW, if you're interested in hacking on tar-mode, I keep dreaming of
plugging it into file-name-handler-alist so you can just visit
/foo/bar.tar.gz/somefile, use dired on it, ...


        Stefan