[gtk+] Document various style-related enums

[Carlos Garnacho <carlosg src gnome org>]

commit bcf3de095ff80e0a79be866e9a936a261494bcb0
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Nov 21 21:49:08 2010 -0500

    Document various style-related enums

 docs/reference/gtk/gtk3-sections.txt |    4 ++++
 gtk/gtkenums.h                       |    9 +++++++++
 2 files changed, 13 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/gtk/gtk3-sections.txt b/docs/reference/gtk/gtk3-sections.txt
index d55f623..aa75160 100644
--- a/docs/reference/gtk/gtk3-sections.txt
+++ b/docs/reference/gtk/gtk3-sections.txt
@@ -5843,12 +5843,16 @@ GtkScrollType
 GtkSelectionMode
 GtkShadowType
 GtkStateType
+GtkStateFlags
 GtkToolbarStyle
 GtkUpdateType
 GtkWindowPosition
 GtkWindowType
 GtkSortType
 GtkDragResult
+GtkJunctionSides
+GtkBorderStyle
+GtkRegionFlags
 
 <SUBSECTION Private>
 GTK_PATH_PRIO_MASK
diff --git a/gtk/gtkenums.h b/gtk/gtkenums.h
index 27f87e2..8a100aa 100644
--- a/gtk/gtkenums.h
+++ b/gtk/gtkenums.h
@@ -645,6 +645,15 @@ typedef enum {
   GTK_JUNCTION_RIGHT  = (GTK_JUNCTION_CORNER_TOPRIGHT | GTK_JUNCTION_CORNER_BOTTOMRIGHT)
 } GtkJunctionSides;
 
+/**
+ * GtkBorderStyle:
+ * @GTK_BORDER_STYLE_NONE: No visible border
+ * @GTK_BORDER_STYLE_SOLID: A solid border
+ * @GTK_BORDER_STYLE_INSET: An inset border
+ * @GTK_BORDER_STYLE_OUTSET: An outset border
+ *
+ * Describes how the border of a UI element should be rendered.
+ */
 typedef enum {
   GTK_BORDER_STYLE_NONE,
   GTK_BORDER_STYLE_SOLID,