This is documentation for Mathematica 8, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)


This token has not been fully integrated into the long-term Mathematica system, and is subject to change.

is a front end token that opens selected groups if they are closed or closes selected groups if they are open.
  • will affect only the outermost level of the selected groups.