(generic identifier) specifies the name (generic identifier) of the element indicated by the tag, within the namespace indicated by the parent <namespace> element.
(with unique identifier) specifies the number of occurrences of this element within the text which bear a distinct value for the global xml:id attribute.
<tagsDecl partial="true"><rendition xml:id="it" scheme="css" selector="foreign, hi"> font-style: italic; </rendition><!-- ... --><namespace name="http://www.tei-c.org/ns/1.0"><tagUsage gi="hi" occurs="28" withId="2"> Used to mark English words italicized in the copy text.</tagUsage><tagUsage gi="foreign">Used to mark non-English words in the copy text.</tagUsage><!-- ... --></namespace></tagsDecl>
