From: Scott Worley <scottworley@scottworley.com>
Date: Wed, 13 Sep 2023 22:16:27 +0000 (-0700)
Subject: Show usage message on invalid command line argument
X-Git-Tag: v1.0.0~2
X-Git-Url: http://git.scottworley.com/tl-append/commitdiff_plain/7521e30b527409a49b129e344b20a87b7d5edf2b?ds=inline;hp=7521e30b527409a49b129e344b20a87b7d5edf2b

Show usage message on invalid command line argument
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