sched: add kernel doc for the completion, fix kernel-doc-nano-HOWTO.txt

This patch adds kernel doc for the completion feature.

An error in the split-man.pl PERL snippet in kernel-doc-nano-HOWTO.txt is
also fixed.

Signed-off-by: Kevin Diggs <kevdig@hypersurf.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/Documentation/kernel-doc-nano-HOWTO.txt b/Documentation/kernel-doc-nano-HOWTO.txt
index 0bd3274..c6841ee 100644
--- a/Documentation/kernel-doc-nano-HOWTO.txt
+++ b/Documentation/kernel-doc-nano-HOWTO.txt
@@ -168,10 +168,10 @@
 mkdir $ARGV[0],0777;
 $state = 0;
 while (<STDIN>) {
-    if (/^\.TH \"[^\"]*\" 4 \"([^\"]*)\"/) {
+    if (/^\.TH \"[^\"]*\" 9 \"([^\"]*)\"/) {
 	if ($state == 1) { close OUT }
 	$state = 1;
-	$fn = "$ARGV[0]/$1.4";
+	$fn = "$ARGV[0]/$1.9";
 	print STDERR "Creating $fn\n";
 	open OUT, ">$fn" or die "can't open $fn: $!\n";
 	print OUT $_;