master updated (2d0c7011 -> 06c0df55)

[Arash Esbati]

esbati pushed a change to branch master.

      from  2d0c7011  Allow multiple preview preprocessors
       new  8b6a6bbc  Allow programmatic preview abortion
       new  06c0df55  Expand default auto-reveal options


Summary of changes:
 preview.el.in | 19 ++++++++++++++++---
 tex-fold.el   |  4 +++-
 2 files changed, 19 insertions(+), 4 deletions(-)