better recognition of `#prefix#@@pin_name` patterns in spice.awk

src/spice.awk

@@ -220,7 +220,7 @@ function process(        i,j, iprefix, saveinstr, savetype, saveanalysis)
    }
    # prefix applied to symbol pin, like for example prepending negation operator '~' to pin: 
    # format= ... #~#@@A[3:0] --> #~#?4 A[3],A[2],A[1],A[0] --> ~A[3],~A[2],~A[1],~A[0]
-   if($i ~/^#[~a-zA-Z_0-9]+#\?/) {
+   if($i ~/^#[~a-zA-Z_0-9]+#\?-?[0-9]+/) {
      iprefix=$i
      sub(/^#/,"",iprefix)
      sub(/#.*/,"",iprefix)

xschem_library/logic/ff.sym

@@ -23,7 +23,7 @@ G {}
 K {type=subcircuit
 vhdl_stop=true 
 verilog_stop=true
-format="@name @pinlist @symname" 
+format="@name #~#@@D @pinlist @symname" 
 template="name=x1 delay=\\"400 ps\\" del=400"
 generic_type="delay=time"}
 V {}