Use x-terminal-emulator by default.
--- a/src/bindings-second-mode.lisp
+++ b/src/bindings-second-mode.lisp
@@ -158,11 +158,11 @@
   (define-second-key ("v" :control :shift) 'paste-selection-no-clear)
   (define-second-key ("Delete" :control) 'remove-current-child)
   (define-second-key ("Delete") 'delete-current-child)
-  (define-shell ("c") b-start-xterm "start an xterm" "cd $HOME && exec xterm")
+  (define-shell ("c") b-start-x-terminal-emulator "start an x-terminal-emulator" "cd $HOME && exec x-terminal-emulator")
   (define-shell ("e") b-start-emacs "start emacs" "cd $HOME && exec emacs")
   (define-shell ("e" :control) b-start-emacsremote
     "start an emacs for another user"
-    "exec xterm -e emacsremote")
+    "exec x-terminal-emulator -e emacsremote")
   (define-shell ("h") b-start-xclock "start an xclock" "exec xclock -d")
   (define-second-key ("F10" :mod-1) 'fast-layout-switch)
   (define-second-key ("F10" :shift :control) 'toggle-show-root-frame)
--- a/src/clfswm-info.lisp
+++ b/src/clfswm-info.lisp
@@ -494,7 +494,7 @@
       (add-key hash-second 'run-program-from-query-string *second-keys*)
       (add-key hash-second 'eval-from-query-string *second-keys*)
       (add-key hash-second 'set-open-in-new-frame-in-parent-frame-nw-hook *second-keys*)
-      (add-key hash-second 'b-start-xterm *second-keys*)
+      (add-key hash-second 'b-start-x-terminal-emulator *second-keys*)
       (add-key hash-second 'b-start-emacs *second-keys*)
       (show-key-binding hash hash-second :no-producing-doc))))
 
--- a/src/config.lisp
+++ b/src/config.lisp
@@ -137,7 +137,7 @@
   'Corner "The clfswm terminal name")
 ;;(defparameter *clfswm-terminal-cmd* (format nil "xterm -T ~A -e /bin/bash --noprofile --norc" *clfswm-terminal-name*)
 ;;(defparameter *clfswm-terminal-cmd* (format nil "urxvt -name ~A" *clfswm-terminal-name*)
-(defconfig *clfswm-terminal-cmd* (format nil "xterm -T ~A" *clfswm-terminal-name*)
+(defconfig *clfswm-terminal-cmd* (format nil "x-terminal-emulator -T ~A" *clfswm-terminal-name*)
   'Corner "The clfswm terminal command.
 This command must set the window title to *clfswm-terminal-name*")
 
--- a/contrib/reboot-halt.lisp
+++ b/contrib/reboot-halt.lisp
@@ -39,7 +39,7 @@
 
 
 (defun do-with-terminal (command)
-  (do-shell (format nil "xterm -e '~A'" command)))
+  (do-shell (format nil "x-terminal-emulator -e '~A'" command)))
 ;;(do-shell (format nil "xterm -e 'echo ~A; sleep 3'" command)))  ;; test
 
 (defun do-nothing ()
--- a/doc/keys.txt
+++ b/doc/keys.txt
@@ -139,7 +139,7 @@
   Control Shift        V               Paste the selection in the current frame - Do not clear the selection after paste
   Control              Delete          Remove the current child from its parent frame
                        Delete          Delete the current child and its children in all frames
-                       C               start an xterm
+                       C               start an x-terminal-emulator
                        E               start emacs
   Control              E               start an emacs for another user
                        H               start an xclock
--- a/doc/keys.html
+++ b/doc/keys.html
@@ -1407,7 +1407,7 @@
           C
         </td>
         <td style="color:#0000ff" nowrap>
-          start an xterm
+          start an x-terminal-emulator
         </td>
       </tr>
       <tr>