[gtksourceview] Add missing docs.

[Ignacio Casal Quinteiro <icq src gnome org>]

commit c0c9019e80c215418b2168b335a9a0e4b2c291ac
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Wed Dec 8 11:28:30 2010 +0100

    Add missing docs.

 docs/reference/gtksourceview-3.0-sections.txt |   12 +++++++++---
 1 files changed, 9 insertions(+), 3 deletions(-)
---
diff --git a/docs/reference/gtksourceview-3.0-sections.txt b/docs/reference/gtksourceview-3.0-sections.txt
index 40dfbad..b75c5e2 100644
--- a/docs/reference/gtksourceview-3.0-sections.txt
+++ b/docs/reference/gtksourceview-3.0-sections.txt
@@ -21,13 +21,19 @@ gtk_source_buffer_can_redo
 gtk_source_buffer_can_undo
 gtk_source_buffer_begin_not_undoable_action
 gtk_source_buffer_end_not_undoable_action
+gtk_source_buffer_ensure_highlight
 gtk_source_buffer_create_source_mark
+gtk_source_buffer_forward_iter_to_source_mark
+gtk_source_buffer_backward_iter_to_source_mark
 gtk_source_buffer_get_source_marks_at_line
 gtk_source_buffer_get_source_marks_at_iter
 gtk_source_buffer_remove_source_marks
-gtk_source_buffer_forward_iter_to_source_mark
-gtk_source_buffer_backward_iter_to_source_mark
-gtk_source_buffer_ensure_highlight
+gtk_source_buffer_iter_has_context_class
+gtk_source_buffer_get_context_classes_at_iter
+gtk_source_buffer_iter_forward_to_context_class_toggle
+gtk_source_buffer_iter_backward_to_context_class_toggle
+gtk_source_buffer_get_undo_manager
+gtk_source_buffer_set_undo_manager
 <SUBSECTION Standard>
 GtkSourceBufferClass
 GTK_IS_SOURCE_BUFFER