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The currently existing iCalendar standard (RFC 2445) provides only a simple text field ("LOCATION" property) for specifying the location where an event (or "TODO" item) will occur. While this may be adequate for human readers, it is difficult for automated systems to make use of. With the recent advent of tools and services (event aggregators, for example) which would benefit greatly from structured location data, the need to specify detailed venue information has become apparent. This document describes a proposed method for addressing this need.

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