+- some additional initargs to make-instance:
+
+ - gtk:container
+
+ child -- adds a child to a container widget. This argument could
+ be a widget or a list who's first element is a widget and the rest
+ child properties. Multiple :child initargs may be specified
+
+ children -- list of children to be added
+
+ child-args -- default child properties used when adding children (during
+ construction only)
+
+ show-children -- automatically make children (and grandchildren)
+ visible. May be overridden in a child by explicit specifying :visible or
+ another :show-children
+
+
+ - gtk:button
+
+ stock -- equivalent to ":label stock :use-stock t :use-underline t"
+
+
+ - gtk:dialog
+
+ button -- button specification applied to dialog-add-button. Multiple
+ :button initargs may be specified
+
+ buttons -- list of button specifications