Version 0.1.2 behavior is documented here. Thesupport record separates local verification frompublished MoonX behavior; moonx examples use registry releases.
Line-feed bytes and the absence of a final line feed are preserved. Input isstandard input or one file operand; multiple files are rejected. The profileuses C-locale byte semantics, so non-UTF-8 input is handled without decodingit; multibyte locale character semantics are not claimed.
Standalone --version prints exactly rev 0.1.2 followed by onenewline. Standalone --help starts with Usage: rev, lists bothmetadata options, and ends with a newline. Both write to stdout, leave stdinunread, and exit with status 0. Exact-version publication and verificationremain recorded separately in the support record.