Index: trunk/doc/pslib/psLibSDRS.tex
===================================================================
--- trunk/doc/pslib/psLibSDRS.tex	(revision 1534)
+++ trunk/doc/pslib/psLibSDRS.tex	(revision 1535)
@@ -1,3 +1,3 @@
-%%% $Id: psLibSDRS.tex,v 1.68 2004-08-14 00:30:36 jhoblitt Exp $
+%%% $Id: psLibSDRS.tex,v 1.69 2004-08-14 00:32:21 price Exp $
 \documentclass[panstarrs,spec]{panstarrs}
 
@@ -2317,4 +2317,20 @@
 following types: \code{psU8}, \code{psU16}, \code{psS8}, \code{psS16},
 \code{psF32}, \code{psF64}, \code{psC32}, \code{psC64}.
+
+\begin{verbatim}
+/// Create a subimage of the area specified by an image section, [x1:x2,y1:y2]
+psImage *
+psImageSubsection(const psImage *image,	///< Parent image
+		  const *section	///< Image section, of the form [x1:x2,y1:y2]
+    );
+\end{verbatim}
+Similar to \code{psImageSubset}, but uses an image \code{section}, of
+the form \code{[x1:x2,y1:y2]}.  If the image section is not fully
+contained within the input \code{image}, then the function shall
+generate an error and return \code{NULL}.  Note that the
+\code{refCounter} for the parent should be incremented.  This function
+must be defined for the following types: \code{psU8}, \code{psU16},
+\code{psS8}, \code{psS16}, \code{psF32}, \code{psF64}, \code{psC32},
+\code{psC64}.
 
 \begin{verbatim}