#echo

Version 0.2.1 behavior is documented here. The support record separates local verification from published MoonX behavior; moonx examples use registry releases.

Write arguments separated by one space. Supports -n, -e, and -E, including the common backslash escapes and byte-valued octal/hex escapes. Escapes are evaluated per argument, so a trailing backslash cannot consume the space inserted before the next argument. --help and --version are metadata options only when they are the sole argument. The version token matches the package version in moon.mod.

The normally special -- operand is printed literally, matching GNU echo's historical ambiguity. Use printf when option-like input must be unambiguous.

#Standalone metadata

Standalone --version prints exactly echo 0.2.1 followed by one newline. Standalone --help starts with Usage: echo, lists both metadata options, and ends with a newline. Both write to stdout, leave stdin unread, and exit with status 0. Exact-version publication and verification remain recorded separately in the support record.

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