docs/163723: [patch] books/porters-handbook: add note regarding breakage of README.html

[Jason Helfman]

>Number:         163723
>Category:       docs
>Synopsis:       [patch] books/porters-handbook: add note regarding breakage of README.html
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-doc
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          change-request
>Submitter-Id:   current-users
>Arrival-Date:   Fri Dec 30 18:30:21 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator:     Jason Helfman
>Release:        FreeBSD 8.2-STABLE i386
>Organization:
>Environment:


	
>Description:
reassignment of ECHO_MSG breaks 'make readme'.
I added a note tag to have it stand out more to the reader.

http://www.freebsd.org/cgi/query-pr-summary.cgi?category=&severity=&priority=&class=&state=&sort=none&text=readme&responsible=jgh&multitext=&originator=&closedtoo=on&release=
>How-To-Repeat:
	
>Fix:

Index: book.sgml
===================================================================
RCS file: /home/dcvs/doc/en_US.ISO8859-1/books/porters-handbook/book.sgml,v
retrieving revision 1.1136
diff -u -r1.1136 book.sgml
--- book.sgml	26 Dec 2011 04:46:11 -0000	1.1136
+++ book.sgml	30 Dec 2011 18:19:13 -0000
@@ -14892,6 +14892,12 @@
 	file is not part of the cvs collection but is generated using the
 	<command>make readme</command> command.
 	</para>
+
+      <note>
+        <para>Additionally, avoid reassignment of <makevar>ECHO_MSG
+	  </makevar> as this will break the <command>make readme</command>
+	  command.</para>
+      </note>
     </sect1>
 
     <sect1 id="dads-noinstall">
>Release-Note:
>Audit-Trail:
>Unformatted: