[gtk/ebassi/gidocgen] treemodel: Update the description format

[Emmanuele Bassi <ebassi src gnome org>]

commit 9de0d249b4249de31f41f8da0be22c0ae333909e
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Mon Feb 22 19:08:24 2021 +0000

    treemodel: Update the description format
    
    Also add a description for GtkTreePath.

 gtk/gtktreemodel.c | 27 ++++++++++++++++-----------
 1 file changed, 16 insertions(+), 11 deletions(-)
---
diff --git a/gtk/gtktreemodel.c b/gtk/gtktreemodel.c
index 0eef6a6474..a330643f45 100644
--- a/gtk/gtktreemodel.c
+++ b/gtk/gtktreemodel.c
@@ -63,20 +63,20 @@
  * Models are accessed on a node/column level of granularity. One can
  * query for the value of a model at a certain node and a certain
  * column on that node. There are two structures used to reference a
- * particular node in a model. They are the #GtkTreePath-struct and
- * the #GtkTreeIter-struct (“iter” is short for iterator). Most of the
- * interface consists of operations on a #GtkTreeIter-struct.
+ * particular node in a model. They are the [struct@Gtk.TreePath] and
+ * the [struct@Gtk.TreeIter] (“iter” is short for iterator). Most of the
+ * interface consists of operations on a [struct@Gtk.TreeIter].
  *
  * A path is essentially a potential node. It is a location on a model
  * that may or may not actually correspond to a node on a specific
- * model. The #GtkTreePath-struct can be converted into either an
+ * model. A [struct@Gtk.TreePath] can be converted into either an
  * array of unsigned integers or a string. The string form is a list
  * of numbers separated by a colon. Each number refers to the offset
  * at that level. Thus, the path `0` refers to the root
  * node and the path `2:4` refers to the fifth child of
  * the third node.
  *
- * By contrast, a #GtkTreeIter-struct is a reference to a specific node on
+ * By contrast, a [struct@Gtk.TreeIter] is a reference to a specific node on
  * a specific model. It is a generic struct with an integer and three
  * generic pointers. These are filled in by the model in a model-specific
  * way. One can convert a path to an iterator by calling
@@ -113,9 +113,9 @@
  * easier, the second is much more common, as you often get paths from
  * callbacks.
  *
- * ## Acquiring a #GtkTreeIter-struct
+ * ## Acquiring a `GtkTreeIter`
  *
- * |[<!-- language="C" -->
+ * ```c
  * // Three ways of getting the iter pointing to the location
  * GtkTreePath *path;
  * GtkTreeIter iter;
@@ -140,7 +140,7 @@
  * parent_iter = iter;
  * gtk_tree_model_iter_nth_child (model, &iter,
  *                                &parent_iter, 5);
- * ]|
+ * ```
  *
  * This second example shows a quick way of iterating through a list
  * and getting a string and an integer from each row. The
@@ -148,9 +148,9 @@
  * shown, as it is specific to the #GtkListStore. For information on
  * how to write such a function, see the #GtkListStore documentation.
  *
- * ## Reading data from a #GtkTreeModel
+ * ## Reading data from a `GtkTreeModel`
  *
- * |[<!-- language="C" -->
+ * ```c
  * enum
  * {
  *   STRING_COLUMN,
@@ -198,7 +198,7 @@
  *                                      &iter);
  *    row_count++;
  *  }
- * ]|
+ * ```
  *
  * The #GtkTreeModel interface contains two methods for reference
  * counting: gtk_tree_model_ref_node() and gtk_tree_model_unref_node().
@@ -252,6 +252,11 @@ enum {
 
 static guint tree_model_signals[LAST_SIGNAL] = { 0 };
 
+/**
+ * GtkTreePath:
+ *
+ * An opaque structure representing a path to a row in a model.
+ */
 struct _GtkTreePath
 {
   int depth;    /* Number of elements */