dia.attributes: support negative number addition/subtraction in calc(…#1571

Merged

jamesgeorgewilliams merged 1 commit intoclientIO:masterfrom kumilingus:attributes-negative-addition]

Nov 15, 2021

+19-3

Commits on Nov 13, 2021

dia.attributes: support negative number addition/subtraction in calc() expression
kumilingus
committed