docs/175564: [books/porters-handbook]: add note about port orgin for python prefixed ports (ie. pyXX-)

[Jason Helfman]

>Number:         175564
>Category:       docs
>Synopsis:       [books/porters-handbook]:  add note about port orgin for python prefixed ports (ie. pyXX-)
>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 Jan 25 19:40:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator:     Jason Helfman
>Release:        FreeBSD 10.0-CURRENT amd64
>Organization:
>Environment:
System: FreeBSD freefall.freebsd.org 10.0-CURRENT FreeBSD 10.0-CURRENT #2 r245102: Sun Jan 6 15:01:33 UTC 2013 root at freefall.freebsd.org:/usr/obj/usr/src/sys/FREEFALL amd64


	
>Description:
	
>How-To-Repeat:
	
>Fix:

Index: porters-handbook/book.xml
===================================================================
--- porters-handbook/book.xml	(revision 40750)
+++ porters-handbook/book.xml	(working copy)
@@ -7605,6 +7605,12 @@
 
       <programlisting>PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}</programlisting>
 
+      <para>Generally, if <makevar>PKGNAMEPREFIX</makevar> is set, the
+	port should require a <literal>py-</literal> port origin prefix.
+	</literal> For example, <filename>
+	/usr/ports/<replaceable>sysutils/py-myport</replaceable>
+	</filename></para>
+
       <table frame="none">
 	<title>Most Useful Variables for Ports That Use Python</title>
 
>Release-Note:
>Audit-Trail:
>Unformatted: