diff --git a/.cvsignore b/.cvsignore
index 04204c7..9ead238 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -1 +1,4 @@
 config
+crontab
+run-parts
+crontabs.4
diff --git a/crontab b/crontab
index ecab3da..417e369 100644
--- a/crontab
+++ b/crontab
@@ -2,12 +2,15 @@ SHELL=/bin/bash
 PATH=/sbin:/bin:/usr/sbin:/usr/bin
 MAILTO=root
 HOME=/
-# .---------------- minute (0 - 59) 
+
+# For details see man 4 crontabs
+
+# Example of job definition:
+# .---------------- minute (0 - 59)
 # |  .------------- hour (0 - 23)
 # |  |  .---------- day of month (1 - 31)
-# |  |  |  .------- month (1 - 12) OR jan,feb,mar,apr ... 
-# |  |  |  |  .---- day of week (0 - 6) (Sunday=0 or 7)  OR
-#sun,mon,tue,wed,thu,fri,sat 
+# |  |  |  .------- month (1 - 12) OR jan,feb,mar,apr ...
+# |  |  |  |  .---- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat
 # |  |  |  |  |
 # *  *  *  *  *  command to be executed
 
diff --git a/crontabs.spec b/crontabs.spec
index cbfb7d8..c1f5455 100644
--- a/crontabs.spec
+++ b/crontabs.spec
@@ -1,12 +1,12 @@
 Summary: Root crontab files used to schedule the execution of programs
 Name: crontabs
 Version: 1.10
-Release: 29%{?dist}
+Release: 30%{?dist}
 License: Public Domain and GPLv2
 Group: System Environment/Base
 Source0: crontab
 Source1: run-parts
-Source2: config
+Source2: crontabs.4
 BuildArch: noarch
 Requires: /etc/cron.d
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
@@ -25,10 +25,10 @@ your system.
 rm -rf $RPM_BUILD_ROOT
 mkdir -p $RPM_BUILD_ROOT/etc/cron.{hourly,daily,weekly,monthly}
 mkdir -p $RPM_BUILD_ROOT/usr/bin
-mkdir -p $RPM_BUILD_ROOT/etc/sysconfig
-cp -p %{SOURCE2} $RPM_BUILD_ROOT/etc/sysconfig/crontab
+mkdir -p $RPM_BUILD_ROOT/%{_mandir}/man4/
 install -m644 $RPM_SOURCE_DIR/crontab $RPM_BUILD_ROOT/etc/crontab
 install -m755 $RPM_SOURCE_DIR/run-parts $RPM_BUILD_ROOT/usr/bin/run-parts
+install -m644 $RPM_SOURCE_DIR/crontabs.4 $RPM_BUILD_ROOT/%{_mandir}/man4/
 
 %clean
 rm -rf $RPM_BUILD_ROOT
@@ -36,14 +36,18 @@ rm -rf $RPM_BUILD_ROOT
 %files
 %defattr(-,root,root,-)
 %{_bindir}/run-parts
-%config(noreplace) /etc/sysconfig/crontab
 %config(noreplace) /etc/crontab
+%{_mandir}/man4/*
 %dir /etc/cron.hourly
 %dir /etc/cron.daily
 %dir /etc/cron.weekly
 %dir /etc/cron.monthly
 
 %changelog
+* Thu Jun 18 2009 Marcela Mašláňová <mmaslano@redhat.com> 1.10-30
+- 491793 thanks Andrew Hecox for patch which allows set allow/deny jobs
+- comment change "empty crontab"
+
 * Tue Feb 24 2009 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.10-29
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_11_Mass_Rebuild
 
diff --git a/run-parts b/run-parts
index 96c56a5..6ab6f11 100755
--- a/run-parts
+++ b/run-parts
@@ -25,7 +25,20 @@ for i in $(LC_ALL=C; echo $1/*[^~,]) ; do
         [ "${i%.swp}" != "${i}" ] && continue
 	[ "${i%,v}" != "${i}" ] && continue
 
+	# jobs.deny prevents specific files from being executed
+	# jobs.allow prohibits all non-named jobs from being run.
+	# can be used in conjunction but there's no reason to do so. 
+	if [ -r $1/jobs.deny ]; then
+		grep -q "^$(basename $i)$" $1/jobs.deny && continue
+	fi
+	if [ -r $1/jobs.allow ]; then
+		grep -q "^$(basename $i)$" $1/jobs.allow || continue
+	fi
+
 	if [ -x $i ]; then
+		if [ -r $1/whitelist ]; then
+			grep -q "^$(basename $i)$" $1/whitelist && continue
+		fi
 		logger -p cron.notice -t "run-parts($1)[$$]" "starting $(basename $i)"
 		$i 2>&1 | awk -v "progname=$i" \
 			      'progname {
diff --git a/sources b/sources
index ba72251..39bf498 100644
--- a/sources
+++ b/sources
@@ -1 +1,3 @@
-ba1e7d606a110d281c16d9d49c6f335d  config
+3a9b01f4bf9205b5c62cb16782a13d48  run-parts
+714d6ada56f1e41e614693f50a8034ef  crontab
+e1f6e832d90ea9a4ff8f23232b8252a6  crontabs.4