On Aug 31, 2010, at 5:13 AM, Paul Sexton wrote:
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,
What???? I hope that this is not the case. Maybe you have org-babel
set up in a way that the default action is to evaluate???
which was not what
I wanted. Should BEGIN_EXAMPLE take an argument which specifies syntax
highlighting (eg "BEGIN_EXAMPLE emacs-lisp")?
No, this is what begin_src is for.
one thing you should have done is to end begin_src with end_src, not
end_example. That
may be part of the problem. Can we see your babel setup, please?
- Carsten
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- Carsten
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