the GUI (though some menu entries use it) as it is automatically inserted
when needed. See Section 3.4.6 of the User Guide for details.
+* The prefix for subsections in labels and references has been changed from
+ "sub:" to "subsec:" in order to avoid a clash with subfloats (conflicting
+ \subref command, see bug #7550). Files are automatically converted to the new scheme.
+ Please assure that you adapt external refstyle or prettyref definitions and
+ your own layout files.
+
!!!The following pref variables were added in 2.2:
* \save_origin: