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%block-display-minus-explanation.class; Display Class Elements Minus Explanation

The same as block-display.class without the explanation element, for use in <answer> and <option> elements.
Declaration
<!ENTITY % block-display-minus-explanation.class
                        "answer | answer-set |
                         boxed-text | chem-struct-wrap | code |
                         fig | graphic | media | preformat |
                         question | question-wrap | 
                         question-wrap-group |
                         supplementary-material | table-wrap"        >