From 32b31715941f6e4edb40f581e687e9770bd9dfb0 Mon Sep 17 00:00:00 2001
From: Robert Ancell <robert.ancell@canonical.com>
Date: Wed, 22 Apr 2026 10:21:03 +1200
Subject: [PATCH] Generate an error if an invalid anchor is provided.

This matches the gravity behaviour and matches what Mutter currently does.

Signed-off-by: Robert Ancell <robert.ancell@canonical.com>
---
 stable/xdg-shell/xdg-shell.xml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/stable/xdg-shell/xdg-shell.xml b/stable/xdg-shell/xdg-shell.xml
index 39ecf8a..8f40157 100644
--- a/stable/xdg-shell/xdg-shell.xml
+++ b/stable/xdg-shell/xdg-shell.xml
@@ -206,6 +206,7 @@
 	'bottom_right'), the anchor point will be at the specified corner;
 	otherwise, the derived anchor point will be centered on the specified
 	edge, or in the center of the anchor rectangle if no edge is specified.
+	If the anchor is not in the ‘anchor’ enum, an invalid_input error is raised.
       </description>
       <arg name="anchor" type="uint" enum="anchor"
 	   summary="anchor"/>