Hi Robert,
Samuel has it right, let me add this:
In Emacs, you do never remove the mark from the buffer, it is always
there, wherever you or some command last left it. The only way to
tell if the user intends to apply a command to a region is therefore
the state of a flag that says if the mark is "active". Setting the
mark activates the mark, most commands besides cursor motion and
search deactivate it.
The state flag does only exist if transient-mark-mode is active.
- Carsten
On Dec 16, 2008, at 2:51 AM, Robert Goldman wrote:
The definition of org-region-active-p in my copy of org-mode is as
follows:
(defun org-region-active-p ()
"Is `transient-mark-mode' on and the region active?
Works on both Emacs and XEmacs."
(if org-ignore-region
nil
(if (featurep 'xemacs)
(and zmacs-regions (region-active-p))
(if (fboundp 'use-region-p)
(use-region-p)
(and transient-mark-mode mark-active)))))
What seems odd to me is that this command will only work on an emacs
22
(like my Aquamacs) if transient-mark-mode is enabled. Is that
correct,
and is that what's desired?
[I found this because I tried to publish a subtree of an org file,
and I
found that org-region-active-p was NIL even after C-c @
(outline-mark-subtree).]
This may be an oddity of aquamacs -- it seems to prefer cua-mode and
turn off transient-mark-mode by default. I confess to not really
understanding that decision or its implications.
thanks,
r
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