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"This page is not enabled for semantic in-text annotations due to namespace restrictions. Details about how to enable the namespace is described on the configuration help page."

This has no bearing on your ability to postA position from which a terminal operates in an org, where one knows that somebody is at. (FO 2200). It's simply a notice that the "Talk" Namespace of the site does not support SemanticAs used in this context, it refers to re-using data from web pages that would otherwise not be available anywhere other than the single web page it is published on. A Semantic Wiki like this one, is enhanced Wiki software (like this in-line glossary function) that is far more complex and sophisticated, with advanced data collection, display and reporting methods. It is able to make relationships in the presentation of data to the user in ways regular Internet applications cannot. notations (using semantic mediawiki code) but that doesn't affect other parts of the site...such as Talk pages or our discussion threading pages. (like the site dev page)