ModuleRevisionId is used as the identifier of a module in a particular version or version constraint. It is composed of a ModuleId, a revision, and optionally a branch and extra attributes. ArtifactId identifies an artifact without considering its version. It's basically a ModuleId and an artifact name, type and extension, plus optional extra attributes. ArtifactRevisionId identifies an artifact of a module in a particular version. It is composed of a ModuleRevisionId along with artifact identifier like...

"recipients" may be individuals or organizations.

  To "modify" a work means to copy from or adapt all or part of the work
in a fashion requiring copyright permission, other than the making of an
exact copy.  The resulting work is called a "modified version" of the
earlier work or a work "based on" the earlier work.

  A "covered work" means either the unmodified Program or a work based
on the Program.

pkg archive/zip, type FileHeader struct, CompressedSize uint32
pkg archive/zip, type FileHeader struct, CreatorVersion uint16
pkg archive/zip, type FileHeader struct, ExternalAttrs uint32
pkg archive/zip, type FileHeader struct, Extra []uint8
pkg archive/zip, type FileHeader struct, Flags uint16
pkg archive/zip, type FileHeader struct, Method uint16
pkg archive/zip, type FileHeader struct, ModifiedDate uint16