patch for emacs.texi

[David]

This little trick solves the problem of remembering to change the
*four* (!) occurrences of the edition/version number.  The patch is
for emacs.texi.


6a7
> @set versionid 20.7
9d9
< @c The edition number appears in several places in this file
11,12c11
< updated for Emacs version 20.7.
< @c Please REMEMBER to update edition number in *three* places in this file.
---
> updated for Emacs version @value{versionid}.
74c73
< @center Thirteenth Edition, Updated for Emacs Version 20.7
---
> @center Thirteenth Edition, Updated for Emacs Version @value{versionid}
83c82
< Updated for Emacs Version 20.7, @*
---
> Updated for Emacs Version @value{versionid}, @*
121,123c120,122
< some of how to customize it; it corresponds to GNU Emacs version 20.7.
< For information on extending Emacs, see @ref{,Emacs Lisp,, elisp, The
< Emacs Lisp Reference Manual}.
---
> some of how to customize it; it corresponds to GNU Emacs version
> @value{versionid}.  For information on extending Emacs, see @ref{,Emacs
> Lisp,, elisp, The Emacs Lisp Reference Manual}.