Change handling of long command line options like --norepl
so that repeating them will not toggle behaviour anymore
#5440
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Fixes #4187 by only toggling short boolean options like
-T
when repeated. Long options like--norepl
are now idempotent. I have also edited the output ofgap -h
to match this change, but I don't currently like the way it is worded (any suggestions?). I've glanced through the manual documentation to see if anything needs to be changed there, but the long command line options aren't yet documented (see #4197).