other
(in-package "ACL2")
include-book
(include-book "std/basic/defs" :dir :system)
include-book
(include-book "std/util/deffixer" :dir :system)
other
(deffixer maybe-string-fix :parents (std/basic maybe-stringp) :short "Fixer for @(tsee maybe-stringp)." :pred maybe-stringp :body-fix nil)