>> "rasmus" == rasmus  <Rasmus> writes:

   > Uwe Brauer <oub@mat.ucm.es> writes:
   > Probably not.

   > Note these are Org features irrespective of fragment preview.  There
   > was some talk about it not so long ago.

   > Basically, it just happens that $·$ works as desired most of the time.
   > The proper way in LaTeX as well as in Org is \(·\).  Often you'll find
   > that in challenging cases you're better off with \(·\).

   > To see whether $·$ will work I use

   >   (setq org-highlight-latex-and-related '(latex))

   > To have nice symbols making preview of fragments less dire I use
   > pretty entities:

   >   (setq org-pretty-entities t)

   > Pretty entities can also be turned on locally.  For missing glyphs
   > you're using you can do something like:

   >   (setq org-entities-user '(("implies" "\\Rightarrow" t "&rArr;" "=>" "=>" "⇒")
   >                             ("iff" "\\iff" t "&hArr;" "<=>" "<=>" "⇔")))

   > Hope this helps. 

Thanks for pointing out these settings, I will try them out.

Uwe