(pathname (unless (wild-pathname-p p)
#.(or #+(or allegro clozure cmu ecl sbcl scl) '(probe-file p)
#+clisp (aif (find-symbol (string :probe-pathname) :ext) `(ignore-errors (,it p)))
(pathname (unless (wild-pathname-p p)
#.(or #+(or allegro clozure cmu ecl sbcl scl) '(probe-file p)
#+clisp (aif (find-symbol (string :probe-pathname) :ext) `(ignore-errors (,it p)))