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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:   813:1ba94b993b1caf65f0406ec1008c93506fd48eb9
tag:         tip
parent:      812:8d8fbe6324c95706a32db744a833333a26cdb357
parent:      811:b96d2bbe8284a7255ca510c2fbb35b1445f85a11
user:        Anders Logg <logg@xxxxxxxxx>
date:        Tue Apr 07 15:02:55 2009 +0200
files:       doc/manual/chapters/formlanguage.tex
description:
merge


changeset:   812:8d8fbe6324c95706a32db744a833333a26cdb357
parent:      810:26c85777f73b6aefbbfc941917afeee3d9bb1bae
user:        Anders Logg <logg@xxxxxxxxx>
date:        Tue Apr 07 15:02:42 2009 +0200
files:       doc/manual/chapters/formlanguage.tex doc/manual/chapters/introduction.tex
description:
Some minor edits for sections 2.0-2.1


changeset:   811:b96d2bbe8284a7255ca510c2fbb35b1445f85a11
user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
date:        Tue Apr 07 14:50:30 2009 +0200
files:       doc/manual/chapters/formlanguage.tex ufl/operators.py
description:
Added support for this syntax:

x = cell.x
Df = diff(f, x)

Note that
  diff(f, x) == grad(f).T
because of the way diff is defined.
Thus diff(f,x) is the same as the FFC grad.
If we want to change this, it touches a lot
of places in AD code, so that won't happen now.

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