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* small koma bug
@ 2014-03-10  8:44 Alan Schmitt
  2014-03-10 13:24 ` Rasmus
  0 siblings, 1 reply; 3+ messages in thread
From: Alan Schmitt @ 2014-03-10  8:44 UTC (permalink / raw)
  To: rasmus; +Cc: emacs-orgmode

Hello Rasmus and all,

I think I have found a small bug in ox-koma-letter, but to fix it I
would like your input.

The bug: if "from-address" is not specified in the file, then it will be
set unconditionally to the empty string, even if it is specified in an
lco file.

The reason of the bug is as follows.

To set up the from address, we call this:

#+begin_src emacs-lisp
   (let ((from-address (org-koma-letter--determine-to-and-from info 'from)))
     (and from-address (format "\\setkomavar{fromaddress}{%s}\n" from-address)))
#+end_src

This uses this function:
#+begin_src emacs-lisp
(defun org-koma-letter--determine-to-and-from (info key)
  "Given INFO determine KEY for the letter.
KEY should be `to' or `from'.

`ox-koma-letter' allows two ways to specify TO and FROM.  If both
are present return the preferred one as determined by
`org-koma-letter-prefer-special-headings'."
  (let ((option (plist-get info (if (eq key 'to) :to-address :from-address)))
	(headline (org-koma-letter--get-tagged-contents key)))
    (replace-regexp-in-string
     "\n" "\\\\\\\\\n"
     (org-trim
      (or (if (plist-get info :special-headings) (or headline option)
	    (or option headline))
	  ;; Fallback values.
	  (if (eq key 'to) "\\mbox{}" org-koma-letter-from-address))))))
#+end_src

Note that in the default case we return "org-koma-letter-from-address",
which is set to the empty string by default:
#+begin_src emacs-lisp
(defcustom org-koma-letter-from-address ""
  "Sender's address, as a string.
This option can also be set with one or more FROM_ADDRESS
keywords."
  :group 'org-export-koma-letter
  :type 'string)
#+end_src

As the empty string is considered as "true", we apply the format
function in the first code block.

I would suggest to have "org-koma-letter-from-address" begin "nil" as
default. My question is: is it an allowed value for a string?

Thanks,

Alan

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2014-03-10 14:09 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2014-03-10  8:44 small koma bug Alan Schmitt
2014-03-10 13:24 ` Rasmus
2014-03-10 13:50   ` Alan Schmitt

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