From 9c85e9683133919bc9d0b1fe09b160a717e7bc3e Mon Sep 17 00:00:00 2001
From: Stefan Frederik <stefan.schippers@gmail.com>
Date: Wed, 19 Oct 2022 18:11:37 +0200
Subject: [PATCH] update docs (4) (ngspice install in
 tutorial_xschem_sky130.html)

---
 doc/xschem_man/tutorial_xschem_sky130.html | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/doc/xschem_man/tutorial_xschem_sky130.html b/doc/xschem_man/tutorial_xschem_sky130.html
index 508ec1f7..e4d58c02 100644
--- a/doc/xschem_man/tutorial_xschem_sky130.html
+++ b/doc/xschem_man/tutorial_xschem_sky130.html
@@ -49,7 +49,17 @@ make
 ## install the program and needed files.
 make install
  </pre><br><br>
-
+   <h2 style="text-align: center;">IMPORTANT!!</h2><br>
+ <p class="important">
+  You need to create the following <kbd><b>.spiceinit</b></kbd> file in the directory where simulations are run
+  (typically <kbd>~/.xschem/simulations</kbd>)
+  or in your home directory. This file sets some default behavior for reading .lib files and speeds up loading pdk model files.
+<kbd><br><br>
+set ngbehavior=hsa<br>
+set ng_nomodcheck<br>
+</kbd>
+ </p><br><br>
+ 
   <li> Install <a href="http://opencircuitdesign.com/open_pdks/index.html">Open_Pdks</a>
        that will provide among other things all the sky130 PDK data, including standard 
        cells, SPICE models, layout data, timing information, design rules and also the Xschem symbols of available