[PD] recursive controls problem

[plutek infinity]

greetings!

i'm sure this is a simple problem, but i can't seem to come up with the 
solution...

i'm trying to control one numerical value in a few ways:

1. have a bang to set an initial value
2. have a slider for mouse control
3. use keyboard keys to increment and decrement

the attached patch all works, except i ALSO want the slider position to 
pick up the current value, as changed by any of the other methods.

the problem is, of course, that if i connect the expr result back up to 
the slider input, i get a loop with "stack overflow" errors.

i'd be most grateful for any pointers you can offer... thanks much!

cheers!
.pltk.

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