debdelim
debname
debstash
-debug
defgv
defoutgv
defstash
dirty
dlevel
dlmax
-do_undump
doextract
doswitches
dowarn
patchlevel
perldb
perl_destruct_level
-pidstatus
preambled
preambleav
preprocess
rs
runlevel
sawampersand
-sawi
sawstudy
sawvec
screamfirst