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[Orgmode] [BUG] some nasty bugs with PROPERTIES drawers
From: |
Paul Sexton |
Subject: |
[Orgmode] [BUG] some nasty bugs with PROPERTIES drawers |
Date: |
Tue, 31 Aug 2010 03:13:45 +0000 (UTC) |
User-agent: |
Loom/3.14 (http://gmane.org/) |
There seems to be a fairly nasty bug caused by :PROPERTIES: drawers still
being recognised by org when they appear inside BEGIN_EXAMPLE or
BEGIN_SRC blocks. I encountered this behaviour while writing docs for
"org-drill". The doc file, README.org, contains quoted examples of org
"items", and also of an emacs lisp capture template containing the string
":PROPERTIES:".
The first thing I noticed was that PROPERTIES drawers inside EXAMPLE/SRC
blocks appear *folded* when the file is opened in org mode, and
'org-cycle' toggles their folded status, as if they belonged to a
real org heading.
That is cosmetic, but I also encountered a more serious problem.
README.org contains the following block of example elisp code, which
is meant to illustrate an example setup of org-capture:
#+BEGIN_SRC emacs-lisp
(setq org-capture-templates
`(("u"
"Task: Read this URL"
entry
(file+headline "tasks.org" "Articles To Read")
,(concat "* TODO Read article: '%:description'\nURL: %c\n\n")
:empty-lines 1
:immediate-finish t)
("w"
"Capture web snippet"
entry
(file+headline "my-facts.org" "Inbox")
,(concat "* Fact: '%:description' :"
(format "%s" org-drill-question-tag)
":\n:PROPERTIES:\n:DATE_ADDED: %u\n:SOURCE_URL:
%c\n:END:\n\n%i\n%?\n")
:empty-lines 1
:immediate-finish t)
;; ...other capture templates...
))
#+END_EXAMPLE
Basically, every time I tried to export this file to HTML, Emacs would
become unresponsive (C-g did nothing) and would have to be killed with
the task manager (or xkill in Linux -- I tried on 2 systems).
After about 20 crashes and restarts of Emacs, I finally identified the
problem (I think). when I changed the above block from BEGIN_SRC to
BEGIN_EXAMPLE, the file exported correctly.
I think org was seeing the ":PROPERTIES" string within the elisp code
and trying to interpret it as the beginning of a drawer, with disastrous
results.
Once I managed to fix the problem for myself I did not investigate it
further. However I hope someone can fix it as it certainly caused a
stressful afternoon.
Paul
PS: I also realised that I was confused regarding how to get a syntax-
highlighted block of "example source code" into an org document, as
BEGIN_SRC appears to execute the code by default, which was not what
I wanted. Should BEGIN_EXAMPLE take an argument which specifies syntax
highlighting (eg "BEGIN_EXAMPLE emacs-lisp")?
- [Orgmode] [BUG] some nasty bugs with PROPERTIES drawers,
Paul Sexton <=