Update command line option parsing#2070
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stefanrueger merged 4 commits intoavrdudes:mainfrom Jan 15, 2026
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This PR provides long options for
-A--keep-trailing-0xff-E--exitspecs-F--force-i--isp-clock-delay-T--command-x--extendedIt allows
-hin addition to-?to show the help message.Invalid short option characters are shown the usage text before the invalid option message (so it doesn't scroll out of sight)
Invalid long options show an error without usage message