Index: doc/help/options.html
===================================================================
--- doc/help/options.html	(revision 8133)
+++ doc/help/options.html	(working copy)
@@ -440,6 +440,15 @@
 
 <P>The default is to print all pages.
 
+<blockquote><b>Note:</b>
+
+<p>The page numbers used by <code>page-ranges</code> refer to the output
+pages and not the document's page numbers. Options like <code>number-up</code>
+can make the output page numbering not match the document page numbers.</p>
+
+</blockquote>
+
+
 <H3><A NAME="PAGESET">Selecting Even or Odd Pages</A></H3>
 
 <P>Use the <CODE>-o page-set=set</CODE> option to select the even or odd pages:</P>
Index: man/lp.man
===================================================================
--- man/lp.man	(revision 8133)
+++ man/lp.man	(working copy)
@@ -12,7 +12,7 @@
 .\"   which should have been included with this file.  If this file is
 .\"   file is missing or damaged, see the license at "http://www.cups.org/".
 .\"
-.TH lp 1 "Common UNIX Printing System" "29 August 2008" "Apple Inc."
+.TH lp 1 "Common UNIX Printing System" "17 November 2008" "Apple Inc."
 .SH NAME
 lp - print files
 .SH SYNOPSIS
@@ -154,7 +154,10 @@
 .br
 Specifies which pages to print in the document. The list can
 contain a list of numbers and ranges (#-#) separated by commas
-(e.g. 1,3-5,16).
+(e.g. 1,3-5,16). The page numbers refer to the output pages and
+not the document's original pages - options like "number-up" can
+affect the numbering of the pages.
+that are 
 .SH COMMON JOB OPTIONS
 Aside from the printer-specific options reported by the
 \fIlpoptions(1)\fR command, the following generic options are
@@ -186,6 +189,18 @@
 .br
 Scales the print file to fit on the page.
 .TP 5
+-o number-up=2
+.TP 5
+-o number-up=4
+.TP 5
+-o number-up=6
+.TP 5
+-o number-up=9
+.TP 5
+-o number-up=16
+.br
+Prints multiple document pages on each output page.
+.TP 5
 -o scaling=number
 .br
 Scales image files to use up to \fInumber\fR percent of the page.