File: groff.info,  Node: Registers,  Next: Manipulating Filling and Adjustment,  Prev: Formatter Instructions,  Up: GNU troff Reference

5.8 Registers
=============

In the 'roff' language, numbers can be stored in "registers".  Many
built-in registers exist, supplying anything from the date to details of
formatting parameters.  You can also define your own.  *Note
Identifiers::, for information on constructing a valid name for a
register.

* Menu:

* Setting Registers::
* Interpolating Registers::
* Auto-increment::
* Assigning Register Formats::
* Built-in Registers::