Can I define defaults values of arguments arg1, arg2 for a macro, then omit arg1 when calling the macro?

+1 vote
asked Jan 15, 2018 in Wanted features by boshka (3,940 points)
edited Jan 15, 2018 by boshka
As specified in http://plantuml.com/preprocessing I can define:
 
!definelong a(agr1="TBD1",arg2="TBD2")
...
!enddefinelong

Now, I want to call a, but omit arg1:
a(,"val2")
I want a to use the default "TBD1" value for arg1 and val2 for arg2

Is it possible?
commented Jan 25, 2018 by Anthony-Gaudino (5,720 points)
Currently seems it's not possible, I also tried it before.

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