EDIT

In #6752 only very basic parsing and formatting functionality has been implemented for verbatimDate. Parsing supports "realdate ["verbatimYear"]"

For parsing we may want to support further formats like

• "verbatimDate" [realdate]
• verbatimDate publ. realdate
• verbatimDate [realdate] or the other way round, but this is very critical as it is unclear which data is the real date and which is the verbatim date
• same as all above, but with other quotations marks such as ' or English quotation marks

Also we need parsing of verbatim date in NonViralName parser (maybe we should merge these 2 somehow). But be careful to distinguish from original name parsing (a possible original name should not be recognized as a verbatim date).

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Formatting:

• decision which format should be the default format => for now we take realdate ["verbatimDate"]
• Allow defining formats => this is a general issue for all format and will not be solved here