gtktextattributes: explain what is "pg_bg"

I didn't know what "pg" stands for.

https://bugzilla.gnome.org/show_bug.cgi?id=697048

diff --git a/gtk/gtktextattributes.h b/gtk/gtktextattributes.h
index 521ac00703f0c78acbec6c9cac66d29f8ae5a70f..760aa2428cd344d31d56fc940bdc31a9516d67f9 100644 (file)
--- a/gtk/gtktextattributes.h
+++ b/gtk/gtktextattributes.h
@@ -144,6 +144,7 @@ struct _GtkTextAttributes
   PangoLanguage *language;
 
   /*< private >*/
+  /* Paragraph background */
   GdkColor *pg_bg_color;
 
   /*< public >*/
@@ -159,6 +160,7 @@ struct _GtkTextAttributes
   guint editable : 1;
 
   /*< private >*/
+  /* Paragraph background */
   GdkRGBA *pg_bg_rgba;
 
   guint padding[3];