[9fans] lpsend.rc: Am I going crazy?!

[lucio]

in /sys/lib/lp/bin/lpsend.rc the following lines seem altogether wrong
to me:

        6: if (~ $#dialstring 0 || ! ~ $dialstring '') {
        7:     dialstring=$1

and

        15: if (! ~ $dialstring '')
        16:     exit 'lpsend: no dialstring'

I _must_ be missing something, but I can't see it!

++L