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-rw-r--r--exwm-core.el9
1 files changed, 9 insertions, 0 deletions
diff --git a/exwm-core.el b/exwm-core.el
index 7fd3a61211be..355b8b96c0ba 100644
--- a/exwm-core.el
+++ b/exwm-core.el
@@ -37,6 +37,15 @@
 
 (defvar exwm--connection nil "X connection.")
 
+(defvar exwm--wmsn-window nil
+  "An X window owning the WM_S0 selection.")
+
+(defvar exwm--wmsn-acquire-timeout 3
+  "Number of seconds to wait for other window managers to release the selection.")
+
+(defvar exwm--wmsn-replace 'ask
+  "Replace existing window manager.")
+
 (defvar exwm--guide-window nil
   "An X window separating workspaces and X windows.")