This should be fixed in CVS, along with AlterPlane spells. Someone put in some area spells checks.. but did not take into account caster based ones.
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++[>++++++<-]>[<++++++>-]<.>++++[>+++++<-]>[<
+++++>-]<+.+++++++..+++.>>+++++[<++++++>-]<+
+.<<+++++++++++++++.>.+++.------.--------.>+.
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