diff --git a/doc/release_new_version b/doc/release_new_version
index 169d7777..1fd079de 100644
--- a/doc/release_new_version
+++ b/doc/release_new_version
@@ -138,11 +138,9 @@ http://www.gnu.org/software/parallel/sql.html
 http://www.gnu.org/software/parallel/sem.html
 http://www.gnu.org/software/parallel/niceload.html
 
-pod2html src/parallel.pod > ../parallel-web/parallel/man.html
-pod2html src/parallel_tutorial.pod > ../parallel-web/parallel/parallel_tutorial.html
-pod2html src/sql > ../parallel-web/parallel/sql.html
-pod2html src/niceload.pod > ../parallel-web/parallel/niceload.html
-pod2html src/sem.pod > ../parallel-web/parallel/sem.html
+cp src/*.pdf src/*.html  ../parallel-web/parallel
+cp src/parallel.html  ../parallel-web/parallel/man.html
+
 pushd ../parallel-web/parallel
 cvs up
 cvs ci -m "New release"
@@ -174,6 +172,8 @@ New release of #GNU Parallel pi․dk/0 New in this release pi․dk/2 See the int
 [x] Twitter
 Aspect: Public
 
+GNU Parallel - for people who live life in the parallel lane.
+
 == Send announce ==
 
 http://groups.google.com/group/comp.unix.shell/post
@@ -201,13 +201,18 @@ cc:Sandro Cazzaniga <kharec@mandriva.org>,
    Ryoichiro Suzuki <ryoichiro.suzuki@gmail.com>,
    Jesse Alama <jesse.alama@gmail.com>
 
-Subject: GNU Parallel 20130922 ('') released
+Subject: GNU Parallel 20130922 ('Manning') released
 
-GNU Parallel 20130922 ('') has been released. It is
+GNU Parallel 20130922 ('Manning') has been released. It is
 available for download at: http://ftp.gnu.org/gnu/parallel/
 
+This release has no new features, and very few changes, making it a
+good candidate for a stable release.
+
 New in this release:
 
+* PDF-files of documentation is now included.
+
 * Cloning at warp speed 100 VMs in 1 minute using one command line
   http://www.beebotech.com.au/tag/command-line/
 
diff --git a/src/Makefile.am b/src/Makefile.am
index 264ef53a..5cc4a4c2 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -68,23 +68,23 @@ niceload.texi: niceload.pod
 
 parallel.pdf: parallel.pod
 # If pod2pdf is not installed: Forget about it
-	pod2pdf --output-file $(srcdir)/parallel.pdf $(srcdir)/parallel.pod || true
+	pod2pdf --output-file $(srcdir)/parallel.pdf $(srcdir)/parallel.pod --title "GNU Parallel" || true
 
 parallel_tutorial.pdf: parallel_tutorial.pod
 # If pod2pdf is not installed: Forget about it
-	pod2pdf --output-file $(srcdir)/parallel_tutorial.pdf $(srcdir)/parallel_tutorial.pod || true
+	pod2pdf --output-file $(srcdir)/parallel_tutorial.pdf $(srcdir)/parallel_tutorial.pod --title "GNU Parallel Tutorial" || true
 
 sem.pdf: sem.pod
 # If pod2pdf is not installed: Forget about it
-	pod2pdf --output-file $(srcdir)/sem.pdf $(srcdir)/sem.pod || true
+	pod2pdf --output-file $(srcdir)/sem.pdf $(srcdir)/sem.pod --title "GNU sem" || true
 
 sql.pdf: sql
 # If pod2pdf is not installed: Forget about it
-	pod2pdf --output-file $(srcdir)/sql.pdf $(srcdir)/sql || true
+	pod2pdf --output-file $(srcdir)/sql.pdf $(srcdir)/sql --title "GNU SQL" || true
 
 niceload.pdf: niceload.pod
 # If pod2pdf is not installed: Forget about it
-	pod2pdf --output-file $(srcdir)/niceload.pdf $(srcdir)/niceload.pod || true
+	pod2pdf --output-file $(srcdir)/niceload.pdf $(srcdir)/niceload.pod --title "GNU niceload" || true
 
 sem: parallel
 	ln -fs parallel sem
diff --git a/src/Makefile.in b/src/Makefile.in
index e4a94591..eea93179 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -555,23 +555,23 @@ niceload.texi: niceload.pod
 
 parallel.pdf: parallel.pod
 # If pod2pdf is not installed: Forget about it
-	pod2pdf --output-file $(srcdir)/parallel.pdf $(srcdir)/parallel.pod || true
+	pod2pdf --output-file $(srcdir)/parallel.pdf $(srcdir)/parallel.pod --title "GNU Parallel" || true
 
 parallel_tutorial.pdf: parallel_tutorial.pod
 # If pod2pdf is not installed: Forget about it
-	pod2pdf --output-file $(srcdir)/parallel_tutorial.pdf $(srcdir)/parallel_tutorial.pod || true
+	pod2pdf --output-file $(srcdir)/parallel_tutorial.pdf $(srcdir)/parallel_tutorial.pod --title "GNU Parallel Tutorial" || true
 
 sem.pdf: sem.pod
 # If pod2pdf is not installed: Forget about it
-	pod2pdf --output-file $(srcdir)/sem.pdf $(srcdir)/sem.pod || true
+	pod2pdf --output-file $(srcdir)/sem.pdf $(srcdir)/sem.pod --title "GNU sem" || true
 
 sql.pdf: sql
 # If pod2pdf is not installed: Forget about it
-	pod2pdf --output-file $(srcdir)/sql.pdf $(srcdir)/sql || true
+	pod2pdf --output-file $(srcdir)/sql.pdf $(srcdir)/sql --title "GNU SQL" || true
 
 niceload.pdf: niceload.pod
 # If pod2pdf is not installed: Forget about it
-	pod2pdf --output-file $(srcdir)/niceload.pdf $(srcdir)/niceload.pod || true
+	pod2pdf --output-file $(srcdir)/niceload.pdf $(srcdir)/niceload.pod --title "GNU niceload" || true
 
 sem: parallel
 	ln -fs parallel sem
diff --git a/src/niceload.pdf b/src/niceload.pdf
new file mode 100644
index 00000000..7119ec4d
Binary files /dev/null and b/src/niceload.pdf differ
diff --git a/src/parallel b/src/parallel
index eeda057b..6802ff49 100755
--- a/src/parallel
+++ b/src/parallel
@@ -6115,7 +6115,7 @@ sub acquire {
 	    # Acquire the lock anyway
 	    if(not -e $self->{'idfile'}) {
 		open (my $fh, ">", $self->{'idfile'}) or
-		    ::die_bug("write_idfile: $self->{'idfile'}");
+		    ::die_bug("timeout_write_idfile: $self->{'idfile'}");
 		close $fh;
 	    }
 	    link $self->{'idfile'}, $self->{'pidfile'};
diff --git a/src/parallel.pdf b/src/parallel.pdf
new file mode 100644
index 00000000..ac360e7e
Binary files /dev/null and b/src/parallel.pdf differ
diff --git a/src/parallel.texi b/src/parallel.texi
index f1c93b7f..144c767f 100644
--- a/src/parallel.texi
+++ b/src/parallel.texi
@@ -2124,6 +2124,18 @@ can be written like this:
 
 @strong{parallel echo @{1@} @{2@} ::: M F ::: S M L XL XXL | sort}
 
+@chapter EXAMPLE: Finding the lowest difference between files
+@anchor{EXAMPLE: Finding the lowest difference between files}
+
+@strong{diff} is good for finding differences in text files. @strong{diff | wc -l}
+gives an indication of the size of the difference. To find the
+differences between all files in the current dir do:
+
+@strong{parallel --tag 'diff @{1@} @{2@} | wc -l' ::: * ::: * | sort -nk3}
+
+This way it is possible to see if some files are closer to other
+files.
+
 @chapter EXAMPLE: for-loops with column names
 @anchor{EXAMPLE: for-loops with column names}
 
diff --git a/src/parallel_tutorial.1 b/src/parallel_tutorial.1
index 72fd18b6..7bf969bf 100644
--- a/src/parallel_tutorial.1
+++ b/src/parallel_tutorial.1
@@ -129,8 +129,8 @@
 .\" way too many mistakes in technical documents.
 .if n .ad l
 .nh
-.SH "GNU Parallel tutorial"
-.IX Header "GNU Parallel tutorial"
+.SH "GNU Parallel Tutorial"
+.IX Header "GNU Parallel Tutorial"
 This tutorial shows off much of \s-1GNU\s0 Parallel's functionality. The
 tutorial is meant to learn the options in \s-1GNU\s0 Parallel.  The tutorial
 is not to show realistic examples from the real world.
diff --git a/src/parallel_tutorial.html b/src/parallel_tutorial.html
index d8b29af7..3a86065f 100644
--- a/src/parallel_tutorial.html
+++ b/src/parallel_tutorial.html
@@ -2,7 +2,7 @@
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 <html xmlns="http://www.w3.org/1999/xhtml">
 <head>
-<title>GNU Parallel tutorial</title>
+<title>GNU Parallel Tutorial</title>
 <meta http-equiv="content-type" content="text/html; charset=utf-8" />
 <link rev="made" href="mailto:root@localhost" />
 </head>
@@ -16,7 +16,7 @@
 
 <ul>
 
-	<li><a href="#gnu_parallel_tutorial">GNU Parallel tutorial</a></li>
+	<li><a href="#gnu_parallel_tutorial">GNU Parallel Tutorial</a></li>
 	<li><a href="#prerequisites">Prerequisites</a></li>
 	<li><a href="#input_sources">Input sources</a></li>
 	<ul>
@@ -116,7 +116,7 @@
 
 <p>
 </p>
-<h1><a name="gnu_parallel_tutorial">GNU Parallel tutorial</a></h1>
+<h1><a name="gnu_parallel_tutorial">GNU Parallel Tutorial</a></h1>
 <p>This tutorial shows off much of GNU Parallel's functionality. The
 tutorial is meant to learn the options in GNU Parallel.  The tutorial
 is not to show realistic examples from the real world.</p>
diff --git a/src/parallel_tutorial.pdf b/src/parallel_tutorial.pdf
new file mode 100644
index 00000000..300f793e
Binary files /dev/null and b/src/parallel_tutorial.pdf differ
diff --git a/src/parallel_tutorial.pod b/src/parallel_tutorial.pod
index ca323c9a..fd3d3b5c 100644
--- a/src/parallel_tutorial.pod
+++ b/src/parallel_tutorial.pod
@@ -1,6 +1,6 @@
 #!/usr/bin/perl -w
 
-=head1 GNU Parallel tutorial
+=head1 GNU Parallel Tutorial
 
 This tutorial shows off much of GNU Parallel's functionality. The
 tutorial is meant to learn the options in GNU Parallel.  The tutorial
diff --git a/src/sem.pdf b/src/sem.pdf
new file mode 100644
index 00000000..f835fb62
Binary files /dev/null and b/src/sem.pdf differ
diff --git a/src/sql.pdf b/src/sql.pdf
new file mode 100644
index 00000000..740dc8ce
Binary files /dev/null and b/src/sql.pdf differ