[gtk+] docs: add docs for GtkTextDirection

[William Jon McCann <mccann src gnome org>]

commit 2375148b044e687438c8ebff7c28c64c63936429
Author: William Jon McCann <william jon mccann gmail com>
Date:   Tue Jan 21 10:34:38 2014 -0500

    docs: add docs for GtkTextDirection

 gtk/gtkenums.h |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkenums.h b/gtk/gtkenums.h
index dbd74be..631a2a3 100644
--- a/gtk/gtkenums.h
+++ b/gtk/gtkenums.h
@@ -250,6 +250,14 @@ typedef enum
 } GtkSensitivityType;
 
 /* Reading directions for text */
+/**
+ * GtkTextDirection:
+ * @GTK_TEXT_DIR_NONE: No direction.
+ * @GTK_TEXT_DIR_LTR: Left to right text direction.
+ * @GTK_TEXT_DIR_RTL: Right to left text direction.
+ *
+ * Reading directions for text.
+ */
 typedef enum
 {
   GTK_TEXT_DIR_NONE,