%meta-value-elements; Metadata Data Value Elements

Elements that can be included along with data characters inside the content model of the <meta-value> element.
Declaration
<!ENTITY % meta-value-elements
                        "%simple-phrase;"                            >
Expanded Declaration

| email | ext-link | uri | bold | fixed-case |italic | monospace | overline | roman | sans-serif | sc | strike | underline | ruby | alternatives | inline-graphic | inline-media | chem-struct | inline-formula | mml:math | abbrev | index-term | index-term-range-end | named-content | styled-content | fn | target | xref | sub | sup