>> "Eric" == Eric S Fraga <Eric> writes:

   > Uwe Brauer <oub@mat.ucm.es> writes:
   >> Hello
   >> 
   >> Thanks to Achim's change in org-compat, I could compile and load the new
   >> orgmode, without the complain about the obsolete function stuff.
   >> 
   >> However there are still serious problems:
   >> 
   >> -  7.8.X had a file called org-exp.el. This file is now gone. What is
   >> it substitute???

   > What functionality is it you need from that file?

I checked: this is the *essential* file to use 
org-preview-latex-fragment in a 
matlab-mode buffer or in a gnus-message-mode!


Without (require 'org-exp)

I obtain when using org-preview-latex-fragment in such buffers the
following error which I attach

Uwe Brauer