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| نموذج محتوى مفتوح (A set of XML document rules that states that an element in an XML document can have additional child elements and attributes that are not declared in the schema that the document references) | |||
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| نموذج محتوى مفتوح (A set of XML document rules that states that an element in an XML document can have additional child elements and attributes that are not declared in the schema that the document references) | |||
