doc: Document --today in the manual.

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Stephen Morgan 2021-09-10 10:30:10 +10:00 committed by Simon Michael
parent 0f205295e8
commit c0053cb9ba

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@ -473,6 +473,10 @@ Counterexamples - malformed digit sequences might give surprising results:
| `20181232` | 8 digits with an invalid day gives an error |
| `201801012` | 9+ digits beginning with a valid YYYYMMDD gives an error |
Note "today's date" can be overridden with the `--today` option, in case it's
needed for testing or for recreating old reports. (Except for periodic
transaction rules; those are not affected by `--today`.)
<a name="report-period"></a>
## Report start & end date