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xmllint(1) on macOS

The text cc4cc2b7a5c7, as Mac OS X 10.3.8, Mac OS X 10.3.7, Mac OS X 10.3.6, Mac OS X 10.3.5, Mac OS X 10.3.4 shipped it.

command line XML tool

Flags it lists

xmllint(1) on macOS now