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1. A system for search, retrieval, and display of information in an electronic communication network, the system comprising:
a user agent in the electronic communication network, the user agent having one or more screens, that:
in response to a first query input, transmits a first search query, receives a first query response document comprising a first set of one or more response snippets, displays the first query response document in a first response document display on the one or more screens, in response to a first selection input received within the first response document display wherein the selection input comprises selection of a sourced document, provides a first document display on the one or more screens using a first client content version of the sourced document, andin response to a second query input transmits a second search query, receives a second query response document comprising a second set of one or more response snippets, displays the second query response document in a second response document display, in response to a second selection input received within the second response document display that comprises selection of the sourced document, provides a second document display on the one or more screens using a second client content version of the sourced document; wherein:
in response to an action set comprising multiple single actions, wherein the single actions comprise the first selection input and zero or more additional inputs permitted according to a set of distinguishing inputs of a first distinguishing context of the first document display, a first partially distinguished word is visibly displayed and partially distinguished in the first document display on the one or more screens, and the first partially distinguished word is in a first matching document snippet of the first client content version that is canonically similar to the first set of one or more response snippets;a second partially distinguished word is partially distinguished in a second distinguishing context of the second document display and is in a second matching document snippet of the second client content version that is canonically similar to the second set of one or more response snippets;a first set of cross matching document snippets, consisting of the visible document snippets of the second client content version that are canonically similar to the first set of one or more response snippets, is nonempty and its members are undistinguished in the second distinguishing context;a second set of cross matching document snippets, consisting of the visible document snippets of the first client content version that are canonically similar to the second set of one or more response snippets, is nonempty and its members are undistinguished in the first distinguishing context; andthe text of a word that is undistinguished in the first distinguishing context matches the text of the first partially distinguished word.
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