Index: /trunk/doc/pslib/ChangeLogSDRS.tex
===================================================================
--- /trunk/doc/pslib/ChangeLogSDRS.tex	(revision 2188)
+++ /trunk/doc/pslib/ChangeLogSDRS.tex	(revision 2189)
@@ -1,3 +1,3 @@
-%%% $Id: ChangeLogSDRS.tex,v 1.37 2004-10-21 22:40:25 price Exp $
+%%% $Id: ChangeLogSDRS.tex,v 1.38 2004-10-21 22:53:03 price Exp $
 
 \subsection{Changes from version 00 to version 01}
@@ -354,3 +354,6 @@
 \item Added \code{psLookupTable} section, and removed
   \code{psTimeTableInterpolate} (now redundant).
+\item Inputs to \code{psTimeAdd}, \code{psTimeSubtract},
+  \code{psTimeDelta} no longer need to be TAI --- the functions will
+  convert as required.
 \end{itemize}
Index: /trunk/doc/pslib/psLibSDRS.tex
===================================================================
--- /trunk/doc/pslib/psLibSDRS.tex	(revision 2188)
+++ /trunk/doc/pslib/psLibSDRS.tex	(revision 2189)
@@ -1,3 +1,3 @@
-%%% $Id: psLibSDRS.tex,v 1.140 2004-10-21 22:39:57 price Exp $
+%%% $Id: psLibSDRS.tex,v 1.141 2004-10-21 22:52:38 price Exp $
 \documentclass[panstarrs,spec]{panstarrs}
 
@@ -3440,5 +3440,5 @@
 
 \begin{verbatim}
-psTime *psTimeAdd(const psTime *tai1, psF64 delta);
+psTime *psTimeAdd(const psTime *time, psF64 delta);
 psF64 psTimeSubtract(const psTime *time1, const psTime *time2);
 psF64 psTimeDelta(const psTime *time1, const psTime *time2);
@@ -3448,5 +3448,8 @@
 the absolute time difference between two times.
 
-Time math is only done on the \code{psTime} TAI type.
+Time math may only be done on the \code{psTime} TAI type, and so the
+functions shall internally convert the \code{psTime} inputs to TAI
+before performing the math.  The type of the time returned by
+\code{psTimeAdd} shall be the same as that of the input \code{time}.
 
 \subsubsection{Time Tables}