Handle PartialDerivatives with no arguments

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When a PartialDerivative is declared and used with only index arguments (no proper object to act on), @canonicalise breaks hard.

Details

Id: c4a905e70880ee7899a345ab60a3b86949ff8eae
Type: bugfix
Creation time: 2009-06-26 08:04 GMT
Creator: Kasper Peeters <kasper.peeters@...>
Release: unassigned
Component: cadabra
Status: unstarted

Issue log

2009-06-26 08:04 GMT Kasper Peeters <kasper.peeters@...> created