+ /** This param decides if change tracking marks should be output
+ * (using the dvipost package) or if the current "state" of the
+ * document should be output instead. Since dvipost needs dvi
+ * specials, it only works with dvi/ps output (the param will be
+ * ignored with other output flavors and disabled when dbipost is
+ * not installed).
+ */
+ bool output_changes;