Drop the "WARNING" and the block quote, and follow the existing
documentation style guidelines.
/**
* gtk_list_store_iter_is_valid:
- * @list_store: A `GtkListStore`.
- * @iter: A `GtkTreeIter`
- *
- * > This function is slow. Only use it for debugging and/or testing
- * > purposes.
+ * @list_store: a list store
+ * @iter: the iterator to check
*
* Checks if the given iter is a valid iter for this `GtkListStore`.
*
+ * This function is slow. Only use it for debugging and/or testing
+ * purposes.
+ *
* Returns: %TRUE if the iter is valid, %FALSE if the iter is invalid.
**/
gboolean
/**
* gtk_tree_store_iter_is_valid:
- * @tree_store: A `GtkTreeStore`.
- * @iter: A `GtkTreeIter`.
- *
- * WARNING: This function is slow. Only use it for debugging and/or testing
- * purposes.
+ * @tree_store: a tree store
+ * @iter: the iterator to check
*
* Checks if the given iter is a valid iter for this `GtkTreeStore`.
*
+ * This function is slow. Only use it for debugging and/or testing
+ * purposes.
+ *
* Returns: %TRUE if the iter is valid, %FALSE if the iter is invalid.
**/
gboolean