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Re: [O] feature request: reloading settings in an org file should reload


From: Carsten Dominik
Subject: Re: [O] feature request: reloading settings in an org file should reload file local variables
Date: Tue, 14 Jan 2014 15:49:38 +0100

Hi Eric,

On Jan 14, 2014, at 3:03 PM, Eric S Fraga <address@hidden> wrote:

> Hello,
> 
> I constantly run into an annoying side effect of org's handling of
> settings in a document.  When writing a document for export, usually to
> LaTeX, I find myself playing around with the document wide
> setting variables, e.g. 
> 
>   #+options: toc:nil
>   #+latex_header: \usepackage{tikz}
> 
> and similar.  Org requires me to re-load the document settings by
> hitting C-c C-c on any such document setting line.  This is fine.
> 
> The problem is that org appears to reset *all* variables to default
> (custom?)  settings.  This includes variables that have been set using
> file local variables in the given document.  Of particular note is the
> variable ~org-export-allow-bind-keywords~.  I normally have this set to
> nil for safety reasons but wish to set this to t in some documents.  I
> use something like this quite often on documents I *know* are safe:
> 
> ,----
> | # Local Variables:
> | # org-confirm-babel-evaluate: nil
> | # org-export-allow-bind-keywords: t
> | # End:
> `----
> 
> The problem is that hitting C-c C-c on a settings line clears these
> variables.  Having the bind one reset is particularly confusing at
> times.  In the end, I have to kill the buffer and re-visit the file to
> have things set up properly.
> 
> Is it possible to have org reload the whole file when reloading
> settings?  Or not reset any variables at all?  Either approach would be
> exhibit more consistent behaviour possibly?  Obviously, the position in
> the file would have to be remembered should the file be reloaded
> automatically.
> 
> This is not a major issue but a niggly one...

Could you try the following patch?

- Carsten

diff --git a/lisp/org.el b/lisp/org.el
index 549f1f8..6fca255 100644
--- a/lisp/org.el
+++ b/lisp/org.el
@@ -20482,11 +20482,9 @@ This command does many different things, depending on 
context:
 Also updates the keyword regular expressions."
   (interactive)
   ;; this will set the mode *and* set file local variables.
-  (normal-mode)
-  ;; but it may leave us in some unrelated mode
-  (unless (derived-mode-p "org-mode")
-    (org-mode))
-  (message "Org-mode restarted"))
+  (funcall major-mode)
+  (hack-local-variables)
+  (message "Mode restarted"))




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