A system and method processes designating regions in an electronic text to associate with those selected regions freely editable popup windows. In a preferred embodiment, embedded tag delimiters are used to mark out the boundaries of the selected region and the content of the popup window. In an alternative...http://www.google.de/patents/US6762777?utm_source=gb-gplus-sharePatent US6762777 - System and method for associating popup windows with selective regions of a document
