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| | Extensible Markup Language (XML) 1.0 (Third Edition) |
 | | For compatibility, it is an error if the content model allows an element to match more than one occurrence of an element type in the content model. |
 | | For more information, see E Deterministic Content Models. |
 | | That is to say, if either of the opening or closing parentheses in a choice, seq, or Mixed construct is contained in the replacement text for a parameter entity, both |
| www.w3.org /TR/REC-xml (8474 words) |
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