5.5 The <block> Tag

The <block> tag allows various "helper" tags to be associated with another terminating node. The <block> tag must contain exactly one terminating node and may contain various other tags, including zero or one <keywords> tags (which define keywords) and zero or more <set> tags (which set session variables) . The <block> tag is described in the documents Keywords in CMRL and Session Variables in CMRL.