ri(1) on macOS
The text ce041fb0c5c8, as macOS 10.14.6, macOS 10.14.5, macOS 10.14.4, macOS 10.14.3, macOS 10.14.2, macOS 10.14.1, macOS 10.14, macOS 10.13.6 shipped it.
Ruby API reference front end
Flags it lists
-
--doc-dir -
--dump -
--format -
--help -
--no-standard-docs -
--server -
--version -
--width -
-T -
-a -
-d -
-f -
-h -
-i -
-l -
-v -
-w