+redo control interface
+allow concurrency over 255
+allow more channels at compile time
+test for linux fifo close bug at compile time
+
+eliminate qsmhook
+finish OTBS conversion
+use mess822 in qmail-inject
+use mess822 in qreceipt
+use mess822 in qbiff
+use mess822 in maildirwatch
+eliminate token822, headerbody, hfield
+replace INTERNALS and THOUGHTS with a real paper describing qmail
+handle IPv6