Reusing an old (envstat(8)) command line option

[Paul Goyette <paul%whooppee.com@localhost>]

Back in NetBSD 5.x, envstat(8) had a -W option that was used to select 
between Critical and Warning alarm limits.  That option was deprecated 
shortly after 5.0 shipped, and the option remains (but is ignored).

I am now considering enhancing sysmon sensors to be able to retain high- 
and low-water mark sensor values, and -W would be mnemonically suitable 
for selecting this display.  But is it acceptable to "re-task" the 
deprecated option?  Or should I pick something else?


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