Vanilla 1.1.9 is a product of Lussumo. More Information: Documentation, Community Support.
Until somebody comes along that actually knows what they are talking about, a quick guess: the question you menion got deleted after the dump was created; if you say which dump (creation date) you are using somebody might confirm this.
(Note: just clicking the link does not illustrate the phenomenon to be highlight as the dot is in the link; it also does not work but in a diffeent way.)
That question was deleted on Dec 17, 2012. If you need that question for some purpose, email moderators@mathoverflow.net.
It was deleted Dec 17, 2011. @tmkctm: did you find this question in an old dump?
1 to 5 of 5