--- a/bib	Sun May 20 21:46:00 2012 +0200
+++ b/bib	Sun May 20 21:57:59 2012 +0200
@@ -1,38 +1,38 @@
 %L web:nmh
 %T Website of nmh
-%O \f(CW\s-1 http://nmh.nongnu.org
+%O \f(CW\s-1 http://nmh.nongnu.org\s0
 
 %A Markus Schnalke
 %T masqmail
 %I Ulm University of Applied Sciences
 %R Diploma thesis
 %D 2009
-%O \f(CW\s-1 http://marmaro.de/docs/diploma
+%O \f(CW\s-1 http://marmaro.de/docs/diploma\s0
 
 %A Markus Schnalke
 %T Why the Unix Philosophy still matters
 %R Term paper
 %I Ulm University
 %D 2010
-%O \f(CW\s-1 http://marmaro.de/docs/studium/unix-phil/
+%O \f(CW\s-1 http://marmaro.de/docs/studium/unix-phil/\s0
 %K term paper
 
 %A Markus Schnalke
 %T mmh
 %I CCC Ulm ChaosSeminar
 %D 2012
-%O \f(CW\s-1 http://ulm.ccc.de/ChaosSeminar/2012/04_mmh
+%O \f(CW\s-1 http://ulm.ccc.de/ChaosSeminar/2012/04_mmh\s0
 
 %L WP:UP
 %A Wikipedia, The Free Encyclopedia
 %T Unix philosophy
 %D Version of 2010-03-21 17:20 UTC
-%O \f(CW\s-1 http://en.wikipedia.org/w/index.php?title=Unix_philosophy&oldid=351189719
+%O \f(CW\s-1 http://en.wikipedia.org/w/index.php?title=Unix_philosophy&oldid=351189719\s0
 
 %A Michael S. Mahoney
 %T The UNIX Oral History Project
 %I Bell Laboratories
-%O \f(CW\s-1 http://www.princeton.edu/~hos/Mahoney/expotape.htm
+%O \f(CW\s-1 http://www.princeton.edu/~hos/Mahoney/expotape.htm\s0
 
 %A Mike Gancarz
 %T The UNIX Philosophy
@@ -44,7 +44,7 @@
 %T The Art of UNIX Programming
 %D 2003
 %I Addison-Wesley
-%O \f(CW\s-1 http://www.faqs.org/docs/artu/
+%O \f(CW\s-1 http://www.faqs.org/docs/artu/\s0
 
 %A Brian W. Kernighan
 %A Rob Pike
@@ -71,7 +71,7 @@
 %A Nicholas Spicher
 %T Building Unix
 %B Unix: An Oral History
-%O \f(CW\s-1 http://www.princeton.edu/~hos/frs122/unixhist/finalhis.htm
+%O \f(CW\s-1 http://www.princeton.edu/~hos/frs122/unixhist/finalhis.htm\s0
 
 %A Frederick P. Brooks, Jr.
 %T The Mythical Man-Month: Essays on Software Engineering
@@ -94,7 +94,7 @@
 %D 1859
 %I John Murray
 %C London
-%O \f(CW\s-1 http://en.wikisource.org/wiki/On_the_Origin_of_Species_(1859)
+%O \f(CW\s-1 http://en.wikisource.org/wiki/On_the_Origin_of_Species_(1859)\s0
 
 %A Bryan Costales
 %A Eric Allman
@@ -116,21 +116,21 @@
 %V First Edition
 %D 1971
 %P mail(1)
-%O \f(CW\s-1 http://cm.bell-labs.com/cm/cs/who/dmr/pdfs/man12.pdf
+%O \f(CW\s-1 http://cm.bell-labs.com/cm/cs/who/dmr/pdfs/man12.pdf\s0
 
 %L MH
 %A \s-1MH\s0/nmh workers
 %T \s-1MH\s0/nmh Documentation
 %P mh-profile(5), mh-sequence(5)
 %O Distributed with nmh-1.3. Online in possibly different versions:
-	\f(CW\s-1 http://linux.die.net/man/5/mh-profile
+	\f(CW\s-1 http://linux.die.net/man/5/mh-profile\s0
 	http://linux.die.net/man/5/mh-sequence
 %K manual pages man page
 
 %A Gunnar Ritter
 %T mail, Mail, mailx, nail-history notes
 %D 2007
-%O \f(CW\s-1 http://heirloom.sourceforge.net/mailx_history.html
+%O \f(CW\s-1 http://heirloom.sourceforge.net/mailx_history.html\s0
 
 %A Willis H. Ware
 %T RAND and the Information Evolution: A History in Essays and Vignettes
@@ -138,13 +138,13 @@
 %I The RAND Corporation
 %P 128\(en137
 %O \s-1ISBN\s0: 978-0-8330-4513-3.
-	\f(CW\s-1 http://www.rand.org/pubs/corporate_pubs/CP537/
+	\f(CW\s-1 http://www.rand.org/pubs/corporate_pubs/CP537/\s0
 
 %A Jerry Peek
 %T MH & xmh: Email for Users & Programmers
 %D 1995
 %I O'Reilly
-%O \f(CW\s-1http://rand-mh.sourceforge.net/book/
+%O \f(CW\s-1http://rand-mh.sourceforge.net/book/\s0
 %K mh book
 
 %A Morris I. Bolsky
@@ -162,14 +162,14 @@
 %T nmh\ @\ gsoc'', ``external MTA'' and
 	``should nmh be an MTA or an MUA?
 %D January 2010
-%O \f(CW\s-1 http://www.mail-archive.com/nmh-workers@nongnu.org/msg01876.html
+%O \f(CW\s-1 http://www.mail-archive.com/nmh-workers@nongnu.org/msg01876.html\s0
 
 %L ML:mmh_ann
 %A Markus Schnalke
 %J nmh-workers mailing list
 %T Experimental version: mmh
 %D December 8 2011
-%O \f(CW\s-1 http://www.mail-archive.com/nmh-workers@nongnu.org/msg02503.html
+%O \f(CW\s-1 http://www.mail-archive.com/nmh-workers@nongnu.org/msg02503.html\s0
 %K mmh announce
 
 %L ML:edginess
@@ -177,7 +177,7 @@
 %J nmh-workers mailing list
 %T edginess
 %D December 26 2011
-%O \f(CW\s-1 http://www.mail-archive.com/nmh-workers@nongnu.org/msg02582.html
+%O \f(CW\s-1 http://www.mail-archive.com/nmh-workers@nongnu.org/msg02582.html\s0
 
 %A Brian W. Kernighan
 %A Dennis M. Ritchie