Document Qualifier Operator @

The first qualifier represents a language qualification and is used to temporarily override the language associated with a given document. The expression must be of type Language. Qualifying a document more then once with a language results in only the last one to be kept as the overridden language for the document.

The second qualifier represents a day of week qualification and is used to specify the starting day of a possible range when the document is to be used in a day of week document or time of week document expression. The starting day can also be specified using a Number type as seen in the third option where its value must evaluate to 1 for Sunday, 2 for Monday … or 7 for Saturday.

The last qualifier represents time qualification and is used to specify the starting time of a possible range when the document is to be used in a time of day document or time of week expression.