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One or more new changesets pushed to the primary ufl repository.
A short summary of the last three changesets is included below.

changeset:   478:6b5cf1c05b503ea03276c9bce04a9de7498ceb10
tag:         tip
user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
date:        Thu Jan 08 13:27:16 2009 +0100
files:       test/indices.py ufl/differentiation.py ufl/indexing.py ufl/tensoralgebra.py
description:
Some fixes in spatial derivative index handling
(fixed ugly bug, only supporting single derivative
in one SpatialDerivative object now)
Added some more tests. More tests pass, but
there are still problems.


changeset:   477:36be0fce464b00039a4915fb646521b42f8731fe
user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
date:        Thu Jan 08 09:25:00 2009 +0100
files:       test/mock.py
description:
Added Mock class to tests, maybe useful for improving
tests in a compact way.


changeset:   476:b58b76bdec6a333fbcfbd6ea4cbbee687ce88319
user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
date:        Wed Jan 07 16:31:30 2009 +0100
files:       ufl/algorithms/__init__.py ufl/algorithms/ad.py ufl/algorithms/formdata.py ufl/algorithms/forward_ad.py ufl/algorithms/old_ad.py ufl/algorithms/reverse_ad.py ufl/algorithms/ufl2latex.py ufl/classes.py ufl/differentiation.py ufl/elements.py ufl/formoperators.py ufl/split.py ufl/terminal.py
description:
Work on AD.

(Tests are broken, the culprit is an ugly and old bug in extract_indices.)

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