The core of US Patent 7,571,169 which Microsoft was granted on August 4th refers to – "A word-processing document stored in a single XML file that may be manipulated by applications that understand XML".
Full story »The core of US Patent 7,571,169 which Microsoft was granted on August 4th refers to – "A word-processing document stored in a single XML file that may be manipulated by applications that understand XML".
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