On Sun, 2 May 2010, gummybears wrote:

I read your email (17 april 2010) on the mailing list and applied the two
patches to my Context minimal distro
(the very latest version). When I run your test.tex through context the
preview image test.png is not shown.


>did you recreate formats after patch
>("context -make" if memory serves me right)?
>I will test with current minimals today.

Probably not (my mistake), but now I did make the formats and with the
current minimals
I got the following error (when running your test.tex file)
bodyfont        : 12pt rm is loaded
language        : language en is active
systems         : begin file test.tex at line 3
floatblocks     : 1 placed
! LuaTeX error ...text/tex/texmf-context/tex/context/base/lpdf-mis.lua:163:
attempt to call field 'timestamp' (a nil value)
stack traceback:
    ...text/tex/texmf-context/tex/context/base/lpdf-mis.lua:163: in function
'setupidentity'
    <main ctx instance>:1: in main chunk.
\synchronizebackendidentity ...akeyword \!!es , }}

\actualshipout ...lio \or \the \everyfirstshipout
                                                  \global
\everyfirstshipout...
\myshipout ...\@@ppmethod }\gobbleoneargument {#1}
                                                  \setnextrealpageno
\afters...
\dofinaloutput ...hbox {\vbox {\dopagebody #1#2}}}
                                                  \the \everyaftershipout
\a...
\finaloutput ...EAEAEA \dofinaloutput \fi \fi #1#2
                                                  \resetselectiepagina
\incr...
\sidefloatoutput ...e \else \finalsidefloatoutput
                                                  \global \sidefloatvsize
\n...
...
l.23 \stopTEXpage