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


This function has not been fully integrated into the long-term Mathematica system, and is subject to change.
is an option for cells that specifies which replacement rules Mathematica automatically applies when importing text.
  • The replacement rules to be applied are specified as a list, each element of which has the form .
  • This option allows you to control the appearance of selected expressions or operators in a notebook. Some replacement rules that are usually set by default are as follows.
New in 4.0