+160. net_inc
+
+ Type: number
+
+ Default: 10
+
+ Operations that expect to transfer a large amount of data over the network
+ will update their progress every net_inc kilobytes. If set to 0, no
+ progress messages will be displayed.
+
+ See also ``$read_inc'' and ``$write_inc''.
+
+161. nntp_ask_followup_to