The @id attribute is required on (
ref
, fn
, fig
, table-wrap
, disp-formula
, aff
, aff-alternatives
, target
, milestone-start
, underline-start
, overline-start
) elements.
The @rid attribute is required on
xref
elements
xref element must contain clickable text
xref elements in the article title must not contain text
@ref-type is required for an xref that points to string-join(key('element-by-id', tokenize(@rid, '\s+'))/local-name(), ', ') elements.
xref
has @ref-type="fig" but does not point to a fig or fig-group element.
xref
has @ref-type="table" but does not point to a table-wrap or table-wrap-group element.
xref
has @ref-type="bibr" but does not point to a ref element.
xref
has @ref-type="fn" but does not point to a fn element.
The text within xref should be consistent with the label in the referenced element
ref-type attribute value "@ref-type" is not the name of the referenced element or in the list of values "aff", "app",
"author-notes", "award", "bibr", "bio", "boxed-text", "chem", "collab", "contrib",
"corresp", "disp-formula", "fig", "fn", "en", "kwd", "list", "plate", "scheme", "sec",
"statement", "supplementary-material", "table", "table-fn"
xref
has @ref-type="app" but does not point to an app element.
xref
has @ref-type="en" but does not point to a fn element with attribute fn-type="endnote".