Drop test for Emacs < 19.

(edt-xserver): Use replace-regexp-in-string.
(x-server-vendor): Define for compiler, for builds without X.

1 files changed, 11 insertions, 25 deletions

diff --git a/lisp/emulation/edt-mapper.el b/lisp/emulation/edt-mapper.el
index e55cae16bf8..ea196740979 100644
--- a/lisp/emulation/edt-mapper.el
+++ b/lisp/emulation/edt-mapper.el
@@ -97,37 +97,23 @@
 ;;; Code:
 
 ;;;
-;;;  Make sure we're running Emacs version 19, or higher.
-;;;
-
-(cond
- ((string-lessp emacs-version "19")
-  (insert "
-
-    Whoa!  This isn't going to work...
-
-    You must run edt-mapper.el under Emacs version 19 or higher.
-
-    Press any key to exit.  ")
-  (sit-for 600)
-  (kill-emacs t)))
-
-;;;
 ;;;  Decide Emacs Variant, GNU Emacs or XEmacs (aka Lucid Emacs).
 ;;;  Determine Window System, and X Server Vendor (if appropriate).
 ;;;
 (defconst edt-window-system (if (featurep 'xemacs) (console-type) window-system)
   "Indicates window system \(in GNU Emacs\) or console type \(in XEmacs\).")
 
-(defconst edt-xserver (if (eq edt-window-system 'x)
-                          (if (featurep 'xemacs)
-                              ;; The Cygwin window manager has a `/' in its
-                              ;; name, which breaks the generated file name of
-                              ;; the custom key map file.  Replace `/' with a
-                              ;; `-' to work around that.
-                              (replace-in-string (x-server-vendor) "[ /]" "-")
-                            (subst-char-in-string ?/ ?- (subst-char-in-string ?  ?- (x-server-vendor))))
-                        nil)
+(declare-function x-server-vendor "xfns.c" (&optional terminal))
+
+(defconst edt-xserver (when (eq edt-window-system 'x)
+                        ;; The Cygwin window manager has a `/' in its
+                        ;; name, which breaks the generated file name of
+                        ;; the custom key map file.  Replace `/' with a
+                        ;; `-' to work around that.
+                        (if (featurep 'xemacs)
+                            (replace-in-string (x-server-vendor) "[ /]" "-")
+                          (replace-regexp-in-string "[ /]" "-"
+                                                    (x-server-vendor))))
   "Indicates X server vendor name, if applicable.")