Variable: inferior-lisp-filter-regexp
inferior-lisp-filter-regexp is a customizable variable defined in
inf-lisp.el.gz.
Value
"\\`\\s *\\(:\\(\\w\\|\\s_\\)\\)?\\s *\\'"
Documentation
What not to save on inferior Lisp's input history.
Input matching this regexp is not saved on the input history in Inferior Lisp
mode. Default is whitespace followed by 0 or 1 single-letter colon-keyword
(as in :a, :c, etc.)
Source Code
;; Defined in /usr/src/emacs/lisp/progmodes/inf-lisp.el.gz
(defcustom inferior-lisp-filter-regexp
"\\`\\s *\\(:\\(\\w\\|\\s_\\)\\)?\\s *\\'"
"What not to save on inferior Lisp's input history.
Input matching this regexp is not saved on the input history in Inferior Lisp
mode. Default is whitespace followed by 0 or 1 single-letter colon-keyword
\(as in :a, :c, etc.)"
:type 'regexp)