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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:   935:1301a3e07320
tag:         tip
user:        martinal@martinal-desktop
date:        Tue Sep 22 21:58:05 2009 +0200
files:       ufl/algebra.py ufl/algorithms/expand_indices.py ufl/algorithms/formtransformations.py
description:
Disallow Sum with no operands, previously returning Zero.
This led to zeros with lost shape/index information.
Moves bug to somewhere else...


changeset:   934:799f014b9983
user:        martinal@martinal-desktop
date:        Tue Sep 22 20:13:30 2009 +0200
files:       ChangeLog ufl/algorithms/formtransformations.py ufl/formoperators.py ufl/tensors.py
description:
Fixed lhs/rhs bug, turns out it was in the list_tensor handler.
This was easy to find once ScalarSomething was removed.


changeset:   933:716b00f86749
user:        martinal@martinal-desktop
date:        Tue Sep 22 19:30:12 2009 +0200
files:       ufl/classes.py ufl/constantvalue.py
description:
Removed ScalarSomething. Now getting proper error message when type conversion fails.

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For more details, visit http://www.fenics.org/hg/ufl