format.
"
+option "print-base-dir" -
+#~~~~~~~~~~~~~~~~~~~~~~~~
+"whether to include the base-dir in the output"
+flag off
+details="
+ If this flag is given, all directories printed are prefixed
+ with the base directory. The default is to print paths relative
+ to the base dir.
+"
+
option "no-headers" -
#~~~~~~~~~~~~~~~~~~~~
"supress descriptions for listings/tables"