+-----------------------------------------------------------------------------+
|                                  extension                                  |
+-----------------------------------------------------------------------------+
 
Abbreviation:  ã|\exã%
 
Parameters:    ã|noneã%
 
    ã|Description:ã%
The \extension  markup sets the face  to the Computer  Modern Math Extension
face.    Refer  to The  TEXbook,  Appendix F,  for  a complete  list  of the
characters available in the Extension face.
 
    ã|Example:ã%
This example uses \extension to print an "O dot":
 
Put a {\extension\char'113} next to  . . .
+-----------------------------------------------------------------------------+
|                                                                             |
|     Put a K next to  . . .                                                  |
|                                                                             |
|                                                                             |
+-----------------------------------------------------------------------------+
 
    ã|Notes:ã%
For more on the use of the \char markup, refer to The TEXbook.