;; "pdl=application/postscript,application/vnd.hp-PCL,...".
(when (and (string-equal "pdl" (car split))
(string-match "application/postscript" (cadr split)))
;; "pdl=application/postscript,application/vnd.hp-PCL,...".
(when (and (string-equal "pdl" (car split))
(string-match "application/postscript" (cadr split)))