744N/A08-06=09 sync with ksh93t api

744N/A07-09-17 move from dsslib/sh and get working with ksh93s+

744N/A07-05-09 update for lib_init(flags,context) context arg

744N/A07-03-19 update nv_setref() calls

744N/A04-02-29 fix bugs exposed by $(CC.EXPORT.DYNAMIC)

744N/A04-02-14 add ksh93:command prereq for -lshell

744N/A04-01-30 install as ksh plugin

744N/A