Example : ad='W * 0.29' pd='W + 2 * 0.29' as='W...
# xschem
r
Example : ad='W * 0.29' pd='W + 2 * 0.29' as='W * 0.29' ps='W + 2 * 0.29'
r
I think you would need parenthesis around (W + 2) * 0.29
r
The above example is just a random copy from xschem symbol.