Invasive changes in preview-latex

Hi folks,

sorry to be redirecting this to the AUCTeX list, but I need the
exposure, and I don't think any active members of the
preview-latex-devel list are not also reading AUCTeX, and besides, I
am sick of moderating every single post through the broken web
interface of the p-l list.  And p-l is scheduled for inclusion into
AUCTeX soon, anyway.

In order to get rid of all the security bunk from switching between
safe and unsafe mode, I have reorganized the GhostScript calls, and
now file names of the generated previews are completely different, and
lots of code has changed.  So please test-drive this change (no, the
installation changes are not yet finished and checked in, I still have
to do this).  I need to know when temporary files don't get removed
and similar things.

Particularly important are race conditions: files that get deleted (or
that have their deletion silently ignored) while they are still being
accessed (Windows is notorious for that), files that are removed too
early, that kind of thing.  I want to have a reasonable coverage of
GhostScript versions, and of operating systems (meaning the Windows
guys in particular).  Whether I'll get it is a different question, but
_please_, I need to showcase this in a week.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum