[gtk/ebassi/gidocgen: 268/465] calendar: Use markdown for css tree

[Emmanuele Bassi <ebassi src gnome org>]

commit 7f253d25eb34997eb5792aebfc400f643d986ab1
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Feb 27 19:44:13 2021 -0500

    calendar: Use markdown for css tree

 gtk/gtkcalendar.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkcalendar.c b/gtk/gtkcalendar.c
index 596119ee93..a8c455321e 100644
--- a/gtk/gtkcalendar.c
+++ b/gtk/gtkcalendar.c
@@ -53,7 +53,7 @@
  *
  * # CSS nodes
  *
- * |[<!-- language="plain" -->
+ * ```
  * calendar.view
  * ├── header
  * │   ├── button
@@ -64,7 +64,7 @@
  * │   ╰── button
  * ╰── grid
  *     ╰── label[.day-name][.week-number][.day-number][.other-month][.today]
- * ]|
+ * ```
  *
  * `GtkCalendar` has a main node with name calendar. It contains a subnode
  * called header containing the widgets for switching between years and months.