-void RrPaint (RrAppearance *a, Window win, gint w, gint h);
-void RrMinsize (RrAppearance *a, gint *w, gint *h);
-void RrMargins (RrAppearance *a, gint *l, gint *t, gint *r, gint *b);
+/* Paint into the appearance. The old pixmap is returned (if there was one). It
+ is the responsibility of the caller to call XFreePixmap on the return when
+ it is non-null. */
+Pixmap RrPaintPixmap (RrAppearance *a, gint w, gint h);
+void RrPaint (RrAppearance *a, Window win, gint w, gint h);
+void RrMinsize (RrAppearance *a, gint *w, gint *h);
+void RrMargins (RrAppearance *a, gint *l, gint *t, gint *r, gint *b);