Function Create-Scanner-Aux

Part of:

package cl-ppcre
( create-scanner-aux < match-fn > < min-len > < start-anchored-p > < starts-with > < start-string-test > < end-anchored-p > < end-string-test > < end-string-len > < end-string-offset > < rep-num > < zero-length-num > < reg-num > )

Auxiliary function to create and return a scanner (which is
actually a closure). Used by CREATE-SCANNER.