/ *: [namespace-uri()=' '] [ ] / @ @*[local-name()=' ' and namespace-uri()=' '] / [ ] /@ / [ ] /@ . U U U. n U. _ _ @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. (string-length(.) gt 0) The element should not be categorized in detail with @subtype unless also categorized in general with @type (@type) @targetLang can only be used if @target is specified. (count(@target)) The element indicated by @spanTo must follow the current element (following::*[@xml:id=substring(current()/@target,2)]) @spanTo on must point to the identifier of some element in this document (id(substring(@spanTo,2))) Only one of the attributes @target and @cRef may be supplied on . (@target and @cRef) Only one of the attributes @target' and @cRef' may be supplied on (@target and @cRef) If the @target attribute on is used, the relatedItem element must be empty (@target and count( child::* ) > 0) A relatedItem element should have either a 'target' attribute or a child element to indicate the related bibliographic item (@target or child::*) An lg element must contain at least one child l, lg or gap element. (count(descendant::tei:lg|descendant::tei:l|descendant::tei:gap) > 0) You may not nest one s element within another: use seg instead (tei:s) Only one of the attributes @target and @from may be supplied on (@from and @target) Only one of the attributes @target and @to may be supplied on (@to and @target) If @to is supplied on , @from must be supplied as well (@to and not(@from)) The attributes @to and @from on may each contain only a single value (contains(@to,' ') or contains(@from,' ')) On , either the @marks attribute should be used, or a paragraph of description provided (not(@marks) and not (tei:p)) A feature value cannot contain both text and element content (not(tei:* and text)) A feature value can contain only one child element (count(tei:*)>1) You may not supply both @target and @targets on (@target and @targets) You must supply either @target or @targets on (not(@target) and not(@targets)) You must supply at least two values for @target on (contains(@target,' ')) You may not supply both @target and @targets on (@target and @targets) You must supply either @target or @targets on (not(@target) and not(@targets)) You must supply at least two values for @target on (contains(@target,' ')) You may not supply both @target and @targets on (@target and @targets) You must supply either @target or @targets on (not(@target) and not(@targets)) The element may appear once only (count(tei:width)> 1) The element may appear once only (count(tei:height)> 1) The element may appear once only (count(tei:depth)> 1) You must supply either a locator of some type or a name for (local-name(*[1])='idno' or local-name(*[1])='altIdentifier' or .='') Only one of the attributes @active and @mutual may be supplied (@active and @mutual) the attribute 'passive' may be supplied only if the attribute 'active' is supplied (@passive and not(@active)) Only one <lem> element may appear within a single apparatus entry, whether it appears outside a <rdgGrp> element or within it. (count( descendant::tei:lem[ generate-id( current() ) = generate-id( ancestor::tei:app[1] ) ]) < 2) The spanTo= attribute of is required. (@spanTo) The @spanTo attribute of is required. (@spanTo) The spanTo= attribute of is required. (@spanTo) must have at least one child add and at least one child del (child::tei:add and child::tei:del) Child elements of are only allowed when an external module is being loaded (* and @key) The prefix attribute of should not match that of any other element (it would defeat the purpose) (//*[ not( generate-id(.) eq generate-id( current() ) ) ]/@prefix = @prefix) On element the value of the module attribute (" ") should correspond to an existing module, via a moduleSpec or moduleRef (not( @module ) or //tei:moduleSpec[ @ident = current()/@module ] or //tei:moduleRef[ @key = current()/@module ]) Class : the value of the module attribute (" ") should correspond to an existing module, via a moduleSpec or moduleRef (not( @module ) or //tei:moduleSpec[ @ident = current()/@module ] or //tei:moduleRef[ @key = current()/@module ]) Macro : the value of the module attribute (" ") should correspond to an existing module, via a moduleSpec or moduleRef (not( @module ) or //tei:moduleSpec[ @ident = current()/@module ] or //tei:moduleRef[ @key = current()/@module ]) Rules in the Schematron 1.* language must be inside a constraint with a value of 'schematron' on the scheme attribute (tei:constraint/s:* and not(@scheme='schematron')) Rules in the ISO Schematron language must be inside a constraint with a value of 'isoschematron' on the scheme attribute (tei:constraint/sch:* and not(@scheme='isoschematron')) Attribute: the definition of the @ attribute in the should have a closed valList or a datatype (@mode eq 'change' or @mode eq 'delete' or tei:datatype or tei:valList[@type='closed'])