2.1.7.14 Revision Stream (Revision Log)
An instance of the Revision Stream specifies the revision logs (section 2.2.11.2) and revision records (section 2.2.11.3) for a shared workbook (section 2.2.11).
The name of this stream MUST be "Revision Log". A file MUST contain at most one Revision Stream. The Revision Stream MUST exist if the workbook is a shared workbook (section 2.2.11).
Record sequence ABNF:
REVISION = RRDInfo FileLock UsrExcl *(HEADER *(RENSHEET / INSDEL / CONFLICT / INSDELSH / CHGCELL / MOVE / FORMAT / AUTOFMT / DEFNAME / VIEW / NOTE / TRASHQTFIELD)) EOF
INS = RRDInsDel *(CHGCELL / FORMAT)
DEL = RRDInsDelBegin RRDInsDel *(CHGCELL / FORMAT) RRDInsDelEnd
CHGCELL = RRDChgCell *Continue *RRDRstEtxp
MOVE = RRDMoveBegin RRDMove *(CHGCELL / FORMAT) RRDMoveEnd