From 2dfc3dc0769e2fb24c6886760261ceb0b789ccdc Mon Sep 17 00:00:00 2001
From: Bert de Jong <wadejong@lbl.gov>
Date: Mon, 26 Nov 2007 19:19:52 +0000
Subject: [PATCH] added comments

---
 doc/user/ecp.tex | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/doc/user/ecp.tex b/doc/user/ecp.tex
index 50730b8b93..96f62a56aa 100644
--- a/doc/user/ecp.tex
+++ b/doc/user/ecp.tex
@@ -1,5 +1,5 @@
 %
-% $Id: ecp.tex,v 1.24 2004-04-22 04:50:28 edo Exp $
+% $Id: ecp.tex,v 1.25 2007-11-26 19:19:52 bert Exp $
 %
 \label{sec:ecp}
 \def\ell{l}
@@ -204,6 +204,16 @@ It defines an ECP for the carbon and oxygen atoms in the molecule.
   end
 \end{verbatim}
 
+Various ECPs without a local function are available, including those of 
+the Stuttgart group. For those, no "ul" part needs to be defined. To 
+define the absence of the local potential, simply specify one contraction
+with a zero coefficient:
+
+\begin{verbatim}
+     <string tag> ul
+     2     1.00000     0.00000
+\end{verbatim}
+
 \section{Spin-orbit ECPs}
 \label{sec:spinorb_ecp}