[Chapter 14] 14.4 Reserved Number Register Names
Author: Daniel Gilly & the Staff of O'Reilly & Associates
Date: 1998-08-06T22:01:27Z

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| Chapter 14 ms Macros |

## 14.4 Reserved Number Register Names

The following number register names are used by the `ms` package. An italicized `n` means that the name contains a numeral (generally the interpolated value of another number register).

`n`T | AJ | AV | BC | BD | BE | BH | BI | BQ
BW | CW | EF | FC | FL | FM | FP | GA | GW
H1 | H2 | H3 | H4 | H5 | HM | HT | I0 | IF
IK | IM | IP | IR | IS | IT | IX | I`n` | J`n`
KG | KI | KM | L1 | LE | LL | LT | MC | MF
MG | ML | MM | MN | NA | NC | ND | NQ | NS
NX | OJ | PD | PE | PF | PI | PN | PO | PQ
PS | PX | QI | QP | RO | SJ | ST | T. | TB
TC | TD | TK | TN | TQ | TV | TY | TZ | VS
WF | XX | YE | YY | ZN |  |  |  |

When you're writing your own macros, the safest bet is to use mixed case letters for macro names. (Using uppercase letters could conflict with reserved `ms` names, and using lowercase letters could conflict with troff requests.)

14.3 Reserved Macro and String Names |  | 15. me Macros