Whenever I update my TeXLive distribution by using
tlmgr, I get in the output numbers such as these:
35545 -> 36463
What do they mean?
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The first number is the revision installed locally before the update (or
- if not present on your system), and the second number is the server revision, that is, the one currently being installed/removed (or
- if not on the server).
From the output of
tlmgr --help (this is from the machine-readable output section, but the information is the same):
*localrev* The revision number of the installed package, or "-" if it is not present locally. *serverrev* The revision number of the package on the server, or "-" if it is not present on the server.
The revision number sequence is not tied to the package. This number is a simple counter that is incremented on an update to any package. A new update takes the next available revision number.