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CVS--Concurrent Versions System v1.11.1.1

4.1 Revision numbers

Each version of a file has a unique revision number. Revision numbers look like `1.1', `1.2', `1.3.2.2' or even `1.3.2.2.4.5'. A revision number always has an even number of period-separated decimal integers. By default revision 1.1 is the first revision of a file. Each successive revision is given a new number by increasing the rightmost number by one. The following figure displays a few revisions, with newer revisions to the right.

+-----+ +-----+ +-----+ +-----+ +-----+ ! 1.1 !----! 1.2 !----! 1.3 !----! 1.4 !----! 1.5 ! +-----+ +-----+ +-----+ +-----+ +-----+

It is also possible to end up with numbers containing more than one period, for example `1.3.2.2'. Such revisions represent revisions on branches (see section 5. Branching and merging); such revision numbers are explained in detail in 5.4 Branches and revisions.