Processing LaTeX fragments

LaTeX fragments can be processed to produce a preview images of the typeset expressions:

C-c C-x C-l: Produce a preview image of the LaTeX fragment at point and overlay it over the source code. If there is no fragment at point, process all fragments in the current entry (between two headlines). When called with a prefix argument, process the entire subtree. When called with two prefix arguments, or when the cursor is before the first headline, process the entire buffer.
C-c C-c: Remove the overlay preview images.

During HTML export (see HTML export), all LaTeX fragments are converted into images and inlined into the document if the following setting is active:

     (setq org-export-with-LaTeX-fragments t)