◇◆

%alternatives-display.class; Alternatives Display Class Elements

Display elements that can be alternatives to each other inside an <alternatives> element.
Declaration
<!ENTITY % alternatives-display.class
                        "chem-struct | code | graphic | 
                         inline-graphic | inline-media | 
                         inline-supplementary-material |
                         media | preformat | private-char |
                         supplementary-material | table |
                         textual-form"                               >