mainstack
maxscream
maxsysfd
+mess_sv
minus_F
minus_a
minus_c
minus_n
minus_p
multiline
-mustcatch
mystack_base
mystack_mark
mystack_max
preambled
preambleav
preprocess
+restartav
restartop
rightgv
rs
sortstack
sortstash
splitstr
+start_env
statcache
statgv
statname