Attribute list for the cross-reference element (<xref>)
<!ENTITY % xref-atts "alt CDATA #IMPLIED id ID #IMPLIED ref-type (%ref-types;) #IMPLIED rid IDREFS #IMPLIED specific-use CDATA #IMPLIED xml:lang NMTOKEN #IMPLIED" >
alt CDATA #IMPLIED id ID #IMPLIED ref-type (aff | app | bibr | boxed-text | chem | contrib | corresp | disp-formula | fig | fn | kwd | list | plate | scheme | sec | statement | supplementary-material | table | table-fn | other) #IMPLIED rid IDREFS #IMPLIED specific-use CDATA #IMPLIED xml:lang NMTOKEN #IMPLIED
JATS-link0.ent