diff --git a/packager/0install/parallel.xml b/packager/0install/parallel.xml
index 3ae3d108..fa7075cd 100644
--- a/packager/0install/parallel.xml
+++ b/packager/0install/parallel.xml
@@ -159,11 +159,15 @@ xargs or cat | sh.</description>
 		<implementation id="sha1new=f8bb74a654d9db954642779d05d085f49a884237" released="2013-07-23" version="20130722">
     <manifest-digest sha256new="55EVKHCPVW6O5F5RYWCYRH7P6MJ2FYQ3TYXAD2CM4ASVB5JQ6SLA"/>
     <archive extract="parallel-20130722" href="http://ftpmirror.gnu.org/parallel/parallel-20130722.tar.bz2" size="245705"/>
+  </implementation>
+		<implementation id="sha1new=6630fe548b975264e87b6dbadfadb2fdc402b938" released="2013-08-26" version="20130822">
+    <manifest-digest sha256new="CPD27BRNTCCOD3UZVTCKP7AL3XHJOBOWM75J2HE2N3ANZ3AZXJ5Q"/>
+    <archive extract="parallel-20130822" href="http://ftpmirror.gnu.org/parallel/parallel-20130822.tar.bz2" size="270689"/>
   </implementation>
 	</group>
 </interface>
 <!-- Base64 Signature
-iEYEABECAAYFAlHuJGcACgkQ/lhgK1iJTtImYACghf1EdeotOCcE84zqBf8VWCZFLmEAn3lMXUMU
-KKcEhYVWTdtgUeL5jAyH
+iEUEABECAAYFAlIbM/QACgkQ/lhgK1iJTtKIOwCgtJirkjgy0bWJVXooZtsvWd/EcqIAmNzgQajN
+UYaU5aOneAQ9k7qK/AI=
 
 -->
diff --git a/packager/0install/update b/packager/0install/update
index 5cfc1031..a44cdbfc 100755
--- a/packager/0install/update
+++ b/packager/0install/update
@@ -16,7 +16,7 @@ wget "$url.sig" -O "${file}.sig"
 gpg -n --verify "${file}.sig" "${file}" 2>&1 | tee "${file}.gpglog"
 set +x
 KEYID="$(grep '^Primary key fingerprint:' "${file}.gpglog" | tr -d ' ' | cut -f 2 -d : )"
-fingerprint="BE9CB49381DE3166A3BC66C12C6229E2FFFFFFF1"
+fingerprint="CDA01A4208C4F74506107E7BD1AB451688888888"
 if [ "$KEYID" != "$fingerprint" ]; then
 	echo "Signature verification FAILED:"
 	cat "${file}.gpglog"
diff --git a/src/niceload b/src/niceload
index 234dc56a..77d9aa35 100755
--- a/src/niceload
+++ b/src/niceload
@@ -367,6 +367,7 @@ sub start {
 }
 
 use POSIX ":sys_wait_h";
+use POSIX qw(:sys_wait_h);
 
 sub REAPER {
     my $stiff;
@@ -397,8 +398,14 @@ sub kill_child_TSTP {
 
 sub kill_child_INT {
     my $self = $Global::process;
-    ::debug("SIGINT received. Killing $self->{'pid'} Exit\n");
-    kill INT => $self->pgrp();
+    ::debug("SIGINT received.\n");
+    if(not @opt::pid) {
+	::debug("Killing $self->{'pid'} Exit\n");
+	kill INT => $self->pgrp();
+    } else {
+	::debug("Continue pids $self->{'pid'} Exit\n");
+	kill CONT => $self->pgrp();
+    }
     exit;
 }
 
diff --git a/src/parallel b/src/parallel
index f0a449ea..eeda057b 100755
--- a/src/parallel
+++ b/src/parallel
@@ -207,6 +207,15 @@ if($opt::filter_hosts and (@opt::sshlogin or @opt::sshloginfile)) {
 }
 
 if($opt::nonall or $opt::onall) {
+  sub tmp_joblog {
+    my $joblog = shift;
+    if(not defined $joblog) {
+      return undef;
+    }
+    my ($fh, $tmpfile) = ::tempfile(SUFFIX => ".log");
+    close $fh;
+    return $tmpfile;
+  }
     # Copy all @fhlist into tempfiles
     my @argfiles = ();
     for my $fh (@fhlist) {
@@ -234,7 +243,7 @@ if($opt::nonall or $opt::onall) {
 	join(" ",
 	     ((defined $opt::u) ? "-u" : ""),
 	     ((defined $opt::group) ? "-g" : ""),
-	     ((defined $opt::joblog) ? "--joblog $opt::joblog" : ""),
+	     ((defined $opt::files) ? "--files" : ""),
 	     ((defined $opt::colsep) ? "--colsep ".shell_quote($opt::colsep) : ""),
 	     ((@opt::v) ? "-vv" : ""),
 	     ((defined $opt::D) ? "-D" : ""),
@@ -247,8 +256,14 @@ if($opt::nonall or $opt::onall) {
     ::debug("| $0 $options\n");
     open(my $parallel_fh, "|-", "$0 -j0 $options") ||
 	::die_bug("This does not run GNU Parallel: $0 $options");
+  my @joblogs;
     for my $sshlogin (values %Global::host) {
-	print $parallel_fh "$0 $suboptions -j1 ".
+      my $joblog = tmp_joblog($opt::joblog);
+      if($joblog) {
+	push @joblogs, $joblog;
+	$joblog = "--joblog $joblog";
+      }
+	print $parallel_fh "$0 $suboptions -j1 $joblog ".
 	    ((defined $opt::tag) ?
 	     "--tagstring ".shell_quote_scalar($sshlogin->string()) : "").
 	     " -S ". shell_quote_scalar($sshlogin->string())." ".
@@ -259,6 +274,16 @@ if($opt::nonall or $opt::onall) {
     debug("--onall exitvalue ",$?);
     if(@opt::basefile) { cleanup_basefile(); }
     unlink(@argfiles);
+    my %seen;
+  for my $joblog (@joblogs) {
+    # Append to $joblog
+    open(my $fh, "<", $joblog) || ::die_bug("Cannot open tmp joblog $joblog");
+    # Skip first line (header);
+    <$fh>;
+    print $Global::joblog (<$fh>);
+    close $fh;
+    unlink($joblog);
+  }
     wait_and_exit(min(undef_as_zero($Global::exitstatus),254));
 }
 
diff --git a/src/parallel.pod b/src/parallel.pod
index 9dd61bd2..9b794bc8 100644
--- a/src/parallel.pod
+++ b/src/parallel.pod
@@ -1987,6 +1987,18 @@ can be written like this:
 B<parallel echo {1} {2} ::: M F ::: S M L XL XXL | sort>
 
 
+=head1 EXAMPLE: Finding the lowest difference between files
+
+B<diff> is good for finding differences in text files. B<diff | wc -l>
+gives an indication of the size of the difference. To find the
+differences between all files in the current dir do:
+
+B<parallel --tag 'diff {1} {2} | wc -l' ::: * ::: * | sort -nk3>
+
+This way it is possible to see if some files are closer to other
+files.
+
+
 =head1 EXAMPLE: for-loops with column names
 
 When doing multiple nested for-loops it can be easier to keep track of