+
+ /** allow output of only part of the top-level paragraphs
+ * par_begin: beginning paragraph
+ */
+ pit_type par_begin;
+
+ /** allow output of only part of the top-level paragraphs
+ * par_end: par_end-1 is the ending paragraph
+ * if par_begin=par_end, output all paragraphs
+ */
+ pit_type par_end;
+
+ /** whether or not do actual file copying and image conversion
+ * This mode will be used to preview the source code
+ */
+ bool dryrun;