Hello folks,

here is the somewhat delayed 3.1.2.rc2. We fixed some build issues,
fixed a bunch of annoying doctest failures and updated Cython due to
some recently discovered cpdef issues. So this rc2 contains a couple
more fixed than initially planned. There are a couple known issues we
have to wipe out before releasing 3.1.2, so please test, build and
report any issue you come across.

Sources and binaries are in the usual place, i.e.

http://sage.math.washington.edu/home/mabshoff/release-cycles-3.1.2/sage-3.1.2.rc2.tar

If you are around we will likely get together in IRC and Seattle
during Saturday, September 13th and make a last effort push to get
3.1.2 done.

Cheers,

Michael


Merged in Sage 3.1.2.rc2:

#3957: Mike Hansen: notebook -- major bug in opening notebooks and
plots [Reviewed by Timothy Clemans]
#3978: Michael Abshoff: Sage 3.1.2.alpha1: ghmm and hmm numerical
noise doctest failures [Reviewed by Robert Miller]
#4085: Robert Bradshaw: high precision real literals [Reviewed by Mike
Hansen]
#4086: Michael Abshoff: Fix polybori-0.5rc.p3.spkg build issue from
vanilla tarball [Reviewed by Martin Albrecht]
#4090: Georg Weber, Michael Abshoff: polybori-0.5rc1.p4 fails to build
on OSX 10.4 [Reviewed by Robert Miller]
#4091: Craig Citro: Sage 3.1.2.rc1: matrix_real_double_dense.py
doctest failure [Reviewed by Jason Grout]
#4092: Martin Albrecht: libm4ri-20080904 fails to build on OSX 10.4
[Reviewed by Michael Abshoff]
#4093: John Cremona: fix numerical fuzz in period_lattice for 3.1.2
[Reviewed by Michael Abshoff]
#4094: Tom Boothby: evaluate all causes massive browser hang [Reviewed
by Mike Hansen]
#4098: William Stein: "T1 = M1.hecke_operator(13^9)" blows up on 32
bit builds [Reviewed by Michael Abshoff]
#4101: Robert Bradshaw: cpdef horribly broken in last Cython [Reviewed
by Michael Abshoff]
#4107: Minh Nguyen: trivial typos in tut.tex [Reviewed by Mike Hansen,
Michael Abshoff]
#4108: Michael Abshoff: disable hmm.pyx and chmm.pyx doctests
[Reviewed by Robert Miller]

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