must be typed as historical. Add the @type of persName to historical Add attribute with 'historical' as value historical Change the @type of persName to historical Change attribute with 'historical' as value Attributes @target, @hand, @corresp, @prev, @next and @resp begin with a hashtag or https. The values of the attibutes @xml:id and @ref can't contain a white space. The @ref must starts with 'psn:textgrid:' if refering to the persons register. issue on the grammar of the TextGrid. The @ref must starts with 'plc:textgrid:' if refering to the places register. The @ref must starts with 'wrk:textgrid:' if refering to the places register. On essaie de résoudre l'URI des artwork A placeName with a @subtype 'passingBy' must also have an attribute @n. Adds a "n" attribute with the value " ". The attribute @n must have a numerical value Adds a value for the "n" attribute with the value. Enter the correct number in the itinerary of the traveler. A @rend is mandatory with a num. A @type is mandatory with a num pour a fraction A @n is mandatory with a tag ab typed as day