diff3(1) on macOS
The text 8a87a7cbeb9b, as macOS 26.5, macOS 26.4, macOS 26.3, macOS 26.2, macOS 26.1, macOS 26.0, macOS 15.6, macOS 15.5, macOS 15.4, macOS 15.3, macOS 15.2, macOS 15.1, macOS 15.0, macOS 14.6, macOS 14.5, macOS 14.4, macOS 14.3, macOS 14.2, macOS 14.1, macOS 14.0 shipped it. The page shows this text now.
3-way differential file comparison
Flags it lists
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--diff-program -
--easy-only -
--ed -
--help -
--initial-tab -
--label -
--merge -
--overlap-only -
--show-all -
--show-overlap -
--strip-trailing-cr -
--text -
--version -
-3 -
-A -
-E -
-L -
-T -
-X -
-a -
-e -
-i -
-m -
-x