(Preface): Rearrange conditionals so that some duplicated text can be

	removed.

doc/Protocol-A.texi

@@ -370,7 +370,7 @@ border=0 height=40 align=left ></a>
 @end html
 @end ifhtml
 @c ispell-end-ignore
-@ifnottex
+
 @node Top
 @top LysKOM Protocol A
 
@@ -380,7 +380,6 @@ corresponds to version @value{VERSION} of lyskomd.
 
 The most up-to-date version if this document can always be found at
 @uref{http://www.lysator.liu.se/lyskom/protocol/}.
-@end ifnottex
 
 @menu
 * Preface::                     What is LysKOM?  Who wrote this document?
@@ -402,17 +401,10 @@ The most up-to-date version if this document can always be found at
 * Index::                       Index of protocol elements.
 @end menu
 
+@ifnottex
 @node Preface
 @chapter Preface
-
-@iftex
-This document specifies version @value{PROTOVER} of LysKOM Protocol A.
-This is edition @value{PROTOEDITION} of the specification.  It
-corresponds to version @value{VERSION} of lyskomd.
-
-The most up-to-date version if this document can always be found on
-the web at @uref{http://www.lysator.liu.se/lyskom/protocol/}.
-@end iftex
+@end ifnottex
 
 LysKOM is a conferencing system@footnote{Or in modern terms, enabling
 technology for Computer-Supported Cooperative Work (CSCW).}.  Similar