Sean Cribbs writes in his post:

"John Long has invited me to author a “How To” column for the Radiant weblog. The purpose of this column is to collect and distill useful solutions to common tasks that one might want to accomplish with Radiant. These “How To” entries will supplement an already growing section of the wiki called HowTos. For our first installment, we’ll discuss how to create your own “global tags”, or Radius tags that are available to every page, and encapsulate those in a plugin."

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