PS
# stringdims.m4
sinclude(Circuit_macros.dim)
s_init(stringdims)
[B: box
 s_box(`Left text') at B.w rjust
 s_box(`Right text: $x^%g$',2) at B.e ljust
 ]
 box dotted ht last [].ht wid last [].wid at last []
PE