[gtk/ebassi/gidocgen: 338/501] window: Use markdown for css tree

[Emmanuele Bassi <ebassi src gnome org>]

commit 10d8462d93afdb9355d90fe0a1872ffeb8ccf5e9
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Feb 27 20:07:49 2021 -0500

    window: Use markdown for css tree

 gtk/gtkwindow.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index 791cab15b8..4b03d18044 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -114,11 +114,11 @@
  *
  * # CSS nodes
  *
- * |[<!-- language="plain" -->
+ * ```
  * window.background [.csd / .solid-csd / .ssd] [.maximized / .fullscreen / .tiled]
  * ├── <child>
  * ╰── <titlebar child>.titlebar [.default-decoration]
- * ]|
+ * ```
  *
  * `GtkWindow` has a main CSS node with name window and style class .background.
  *