* Test: dismiss empty top level circuit
; a comment

.subckt top a b 
m1 a b a b nmos  * a comment
m2 a 'net"q"' \\a net[0] nmos  * a comment
mfet\[1\] \a\x41a "net\"q\"" "\\a" net\[0\] nmos w=1.7u ; a comment
.ends

* this triggered generation of a top level circuit
.param p1 17 ; a comment

.end    ; a comment