@calendar indicates the system or calendar to which the date represented by the content of this element belongs, but this element has no textual content. The element should not be categorized in detail with @subtype unless also categorized in general with @type @targetLang can only be used if @target is specified. The element indicated by @spanTo () must follow the current element @schemeVersion can only be used if @scheme is specified. Only one of the attributes @target and @cRef may be supplied on . Only one of the attributes @target' and @cRef' may be supplied on If the @target attribute on is used, the relatedItem element must be empty A relatedItem element should have either a 'target' attribute or a child element to indicate the related bibliographic item An lg element must contain at least one child l, lg or gap element. On , either the @marks attribute should be used, or a paragraph of description provided You must supply at least two values for @target or @targets on You must supply at least two values for @target on One of the attributes 'name', 'ref' or 'key' must be supplied Only one of the attributes @active and @mutual may be supplied the attribute 'passive' may be supplied only if the attribute 'active' is supplied The spanTo= attribute of is required. The @spanTo attribute of is required. The spanTo= attribute of is required. must have at least one child add and at least one child del The element may appear once only The element may appear once only The element may appear once only An msIdentifier must contain either a repository or location of some type, or a manuscript name WARNING: use of deprecated attribute — @type of the biblScope element will be removed from the TEI on 2014-12-17. WARNING: use of deprecated attribute — @form of the quotation element will be removed from the TEI on 2014-04-28. WARNING: use of deprecated element — The element will be removed from the TEI on 2014-06-17.