Add shell criteria token

Closes #2044.

1 files changed, 5 insertions, 0 deletions

diff --git a/sway/sway.5.scd b/sway/sway.5.scd
index ff138562..8d1cb8a1 100644
--- a/sway/sway.5.scd
+++ b/sway/sway.5.scd
@@ -551,6 +551,11 @@ The following attributes may be matched with:
         value is \_\_focused\_\_, then the window instance must be the same as that
         of the currently focused window.
 
+*shell*
+        Compare value against the window shell, such as "xdg\_shell" or "xwayland".
+        Can be a regular expression. If value is \_\_focused\_\_, then the shell
+        must be the same as that of the currently focused window.
+
 *tiling*
         Matches tiling windows.