most of the standalone commands in
src/cmd/builtin
src/cmd/re
and some in
src/cmd/std
are builtin-izable
after umpteen years of dealing with combining complex hunks of code
and subsequent portability issues
*its too soon to move -lcmdtst into ksh proper*
so far every serious round of testing by ast-developers has turned up something
we don't even have the proper regression tests set up yet
partly because *new -lcmdtst errors haven't stopped arriving*
we are using -lcmdtst as a sandbox for -lcmd
that sandbox has to be worked hard to reach all usage combinations
users are very clever and have a knack at rooting stuff out
we need to let it stew for a bit
if the problems arise in -lcmdtst users simply have to edit .paths in the
ast/ksh installation bin
if something bad were to come up because of something prematurely added to -lcmd
it could be a painful process for some organizations to undo
and because things going wrong in -lcmd means things going wrong in ksh's
address space
it could mean more damage than just core dumps
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