Incorrect indentation in file `reference/datetime/datetimeinterface.xml`

[Marqitos]

Incorrect indentation in file reference/datetime/datetimeinterface.xml.

From line 356

[Marqitos]

Detected incorrect indentation in file reference/datetime/datetime.xml

From line 67 - 105

[Marqitos]

Detected incorrect indentation in file reference/datetime/functions/strptime.xml

From line 153 - 227

[vrana]

There are many files with incorrect indentation. Create a pull request for all. Start the commit message with [skip-revcheck].