| Version number |
Specifies the version number of your file. Composer automatically increments the last index of the version number, but you can specify a different number. |
| Save number |
Shows how many times the file has been saved. |
| Comment |
Lets you specify a comment associated with this version of the file. |
| History |
Lists all previous file saves. |
| Clean |
Removes all history entries except the first, last, and all error entries.
Note:
The clean operation itself is stored in the comment history.
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