release 1.2.1

README.md

@@ -1,6 +1,6 @@
 This directory contains the LaTeX source files for the textbook
 Operating Systems and Middleware: Supporting Controlled Interaction
-Revised Edition 1.2, Copyright 2011-2015 by Max Hailperin.
+Revised Edition 1.2.1, Copyright 2011-2016 by Max Hailperin.
 
 These files are intended for those who want to modify the book,
 whether by changing its contents or by porting it to some other

os-book.tex

@@ -1,6 +1,6 @@
 %% This file is a portion of the source for a Revised Edition of
 %% Operating Systems and Middleware: Supporting Controlled
-%% Interaction, Copyright 2011-2013 by Max Hailperin.  This work is
+%% Interaction, Copyright 2011-2016 by Max Hailperin.  This work is
 %% licensed under the Creative Commons Attribution-ShareAlike 3.0
 %% Unported License. To view a copy of this license, visit
 %% http://creativecommons.org/licenses/by-sa/3.0/ or send a letter to
@@ -58,7 +58,7 @@
 \title{Operating Systems and Middleware:\\Supporting Controlled Interaction}
 \author{Max Hailperin\\Gustavus Adolphus College}
 %% For version numbering convention, see https://gustavus.edu/+max/os-book/version-numbering.html
-\date{Revised Edition 1.2\\\today}
+\date{Revised Edition 1.2.1\\\today}
 \makeindex
 \begin{document}
 \bibliographystyle{plain}
@@ -86,7 +86,7 @@
 \fi
 
 \clearpage\thispagestyle{empty}
-\noindent Copyright \copyright\ 2011--2015 by Max Hailperin.
+\noindent Copyright \copyright\ 2011--2016 by Max Hailperin.
 \[\includegraphics{by-sa}\]
 This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License. To view a copy of this
 license, visit

web-site/index.html

@@ -10,10 +10,13 @@ <h1>Operating Systems and Middleware: Supporting Controlled Interaction</h1>
 
 <a href="http://creativecommons.org/licenses/by-sa/3.0/"><img alt="Creative Commons License" style="border-width:0" src="//i.creativecommons.org/l/by-sa/3.0/88x31.png"></a><br><i>Operating Systems and Middleware: Supporting Controlled Interaction</i> by <a href="../">Max Hailperin</a> is licensed under a <a href="http://creativecommons.org/licenses/by-sa/3.0/">Creative Commons Attribution-ShareAlike 3.0 Unported License</a>.
 
+<h2>An Important Note About the Future of This Book</h2>
+<p>The original author of this book is retiring from teaching 2016-05-31. Since he will no longer be teaching out of the book himself, he will have no motivation to update it. Those who wish to keep using it will need to accept this responsibility. GitHub "pull requests" will be gratefully accepted!</p>
+
 <h2>Revised Edition</h2>
-<p>The information here is for version 1.2, released on 2015-07-11 as an update to the original 1.1 from 2011-07-27.
+<p>The information here is for version 1.2.1, released on 2016-01-24 as an update to the original 1.1 from 2011-07-27.
 <ul>
-<li><p><a href="osm-rev1.2.pdf">PDF file version of the book.</a>
+<li><p><a href="osm-rev1.2.1.pdf">PDF file version of the book.</a>
 <!-- I commented out the link to a directory of separate PDF files for individual chapters because I haven't found
 any way to preserve the hyperref cross-reference links when splitting the PDF file up.
 Also, with those cross-reference links and bookmarks, one can easily get to individual