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-rw-r--r--lisp/emulation/edt-mapper.el2
-rw-r--r--lisp/emulation/edt.el2
-rw-r--r--lisp/emulation/tpu-mapper.el2
-rw-r--r--lisp/emulation/ws-mode.el2
4 files changed, 4 insertions, 4 deletions
diff --git a/lisp/emulation/edt-mapper.el b/lisp/emulation/edt-mapper.el
index 7f74ab60f95..1d492d9b59c 100644
--- a/lisp/emulation/edt-mapper.el
+++ b/lisp/emulation/edt-mapper.el
@@ -119,7 +119,7 @@
;;; Determine Window System, and X Server Vendor (if appropriate).
;;;
(defconst edt-x-emacs-p (string-match "XEmacs" emacs-version)
- "Non-NIL if we are running XEmacs version 19, or higher.")
+ "Non-nil if we are running XEmacs version 19, or higher.")
(defconst edt-emacs-variant (if edt-x-emacs-p "xemacs" "gnu")
"Indicates Emacs variant: GNU Emacs or XEmacs \(aka Lucid Emacs\).")
diff --git a/lisp/emulation/edt.el b/lisp/emulation/edt.el
index d54c0bba8cb..48b08ecc1a3 100644
--- a/lisp/emulation/edt.el
+++ b/lisp/emulation/edt.el
@@ -337,7 +337,7 @@ When select mode is inactive, it is set to an empty string.")
(defvar edt-default-map-active nil
"Non-nil indicates that default EDT emulation key bindings are active.
-Nil means user-defined custom bindings are active.")
+nil means user-defined custom bindings are active.")
(defvar edt-user-map-configured nil
"Non-nil indicates that user custom EDT key bindings are configured.
diff --git a/lisp/emulation/tpu-mapper.el b/lisp/emulation/tpu-mapper.el
index 39aae2cf2a7..e6a50c074dc 100644
--- a/lisp/emulation/tpu-mapper.el
+++ b/lisp/emulation/tpu-mapper.el
@@ -80,7 +80,7 @@
;;; Decide whether we're running Lucid Emacs or Emacs itself.
;;;
(defconst tpu-lucid-emacs19-p (string-match "Lucid" emacs-version)
- "Non-NIL if we are running Lucid Emacs version 19.")
+ "Non-nil if we are running Lucid Emacs version 19.")
;;;
diff --git a/lisp/emulation/ws-mode.el b/lisp/emulation/ws-mode.el
index 50340e90785..5441af33044 100644
--- a/lisp/emulation/ws-mode.el
+++ b/lisp/emulation/ws-mode.el
@@ -369,7 +369,7 @@ the distance between the end of the text and `fill-column'."
(defvar ws-search-string nil "String of last search in WordStar mode.")
(defvar ws-search-direction t
- "Direction of last search in WordStar mode. T if forward, NIL if backward.")
+ "Direction of last search in WordStar mode. t if forward, nil if backward.")
(defvar ws-last-cursorposition nil
"Position before last search etc. in WordStar mode.")