Thou Shalt Not Version Arbitrarily -- me
SemVer w/o API is Semantic Versioning without the major version.
Here is a simple but not-so-rigorous description:
The key words “MUST”, “MUST NOT”, “REQUIRED”, “SHALL”, “SHALL NOT”, “SHOULD”, “SHOULD NOT”, “RECOMMENDED”, “MAY”, and “OPTIONAL” in this document are to be interpreted as described in RFC 2119.