diff --git a/plugins/Admin/config.py b/plugins/Admin/config.py
index 49a018483..0a6f64211 100644
--- a/plugins/Admin/config.py
+++ b/plugins/Admin/config.py
@@ -41,10 +41,6 @@ def configure(advanced):
     from supybot.questions import expect, anything, something, yn
     conf.registerPlugin('Admin', True)
 
-
 Admin = conf.registerPlugin('Admin')
-# This is where your configuration variables (if any) should go.  For example:
-# conf.registerGlobalValue(Admin, 'someConfigVariableName',
-#     registry.Boolean(False, """Help for someConfigVariableName."""))
 
 # vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:
diff --git a/plugins/Admin/plugin.py b/plugins/Admin/plugin.py
index 44e5a437d..63489d4e2 100644
--- a/plugins/Admin/plugin.py
+++ b/plugins/Admin/plugin.py
@@ -231,34 +231,6 @@ class Admin(callbacks.Plugin):
             irc.reply(irc.nick)
     nick = wrap(nick, [additional('nick'), additional('something')])
 
-    @internationalizeDocstring
-    def part(self, irc, msg, args, channel, reason):
-        """[<channel>] [<reason>]
-
-        Tells the bot to part the list of channels you give it.  <channel> is
-        only necessary if you want the bot to part a channel other than the
-        current channel.  If <reason> is specified, use it as the part
-        message.
-        """
-        if channel is None:
-            if irc.isChannel(msg.args[0]):
-                channel = msg.args[0]
-            else:
-                irc.error(Raise=True)
-        try:
-            network = conf.supybot.networks.get(irc.network)
-            network.channels().remove(channel)
-        except KeyError:
-            pass
-        if channel not in irc.state.channels:
-            irc.error(_('I\'m not in %s.') % channel, Raise=True)
-        irc.queueMsg(ircmsgs.part(channel, reason or msg.nick))
-        if msg.nick in irc.state.channels[channel].users:
-            irc.noReply()
-        else:
-            irc.replySuccess()
-    part = wrap(part, [optional('validChannel'), additional('text')])
-
     class capability(callbacks.Commands):
 
         @internationalizeDocstring
diff --git a/plugins/Admin/test.py b/plugins/Admin/test.py
index 5f94faf6f..6c090daef 100644
--- a/plugins/Admin/test.py
+++ b/plugins/Admin/test.py
@@ -94,27 +94,6 @@ class AdminTestCase(PluginTestCase):
         self.assertEqual(m.args[0], '#foo')
         self.assertEqual(m.args[1], 'key')
 
-    def testPart(self):
-        def getAfterJoinMessages():
-            m = self.irc.takeMsg()
-            self.assertEqual(m.command, 'MODE')
-            m = self.irc.takeMsg()
-            self.assertEqual(m.command, 'MODE')
-            m = self.irc.takeMsg()
-            self.assertEqual(m.command, 'WHO')
-        self.assertError('part #foo')
-        self.assertRegexp('part #foo', 'not in')
-        self.irc.feedMsg(ircmsgs.join('#foo', prefix=self.prefix))
-        getAfterJoinMessages()
-        m = self.getMsg('part #foo')
-        self.assertEqual(m.command, 'PART')
-        self.irc.feedMsg(ircmsgs.join('#foo', prefix=self.prefix))
-        getAfterJoinMessages()
-        m = self.getMsg('part #foo reason')
-        self.assertEqual(m.command, 'PART')
-        self.assertEqual(m.args[0], '#foo')
-        self.assertEqual(m.args[1], 'reason')
-
     def testNick(self):
         original = conf.supybot.nick()
         try:
diff --git a/plugins/Channel/config.py b/plugins/Channel/config.py
index 8d57a5f13..169543ef0 100644
--- a/plugins/Channel/config.py
+++ b/plugins/Channel/config.py
@@ -55,5 +55,11 @@ conf.registerChannelValue(Channel, 'rejoinDelay',
     registry.NonNegativeInteger(0, _("""Determines how many seconds the bot will wait
     before rejoining a channel if kicked and
     supybot.plugins.Channel.alwaysRejoin is on.""")))
+conf.registerChannelValue(Channel, 'partMsg',
+    registry.String('$version', _("""Determines what part message should be
+        used by default. If the part command is called without a part message,
+        this will be used. If this value is empty, then no part message will
+        be used (they are optional in the IRC protocol). The standard
+        substitutions ($version, $nick, etc.) are all handled appropriately.""")))
 
 # vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:
diff --git a/plugins/Channel/plugin.py b/plugins/Channel/plugin.py
index 1f170362e..a9b404aa4 100644
--- a/plugins/Channel/plugin.py
+++ b/plugins/Channel/plugin.py
@@ -268,17 +268,22 @@ class Channel(callbacks.Plugin):
                              any('nickInChannel')])
 
     @internationalizeDocstring
-    def cycle(self, irc, msg, args, channel):
+    def cycle(self, irc, msg, args, channel, reason):
         """[<channel>]
 
         If you have the #channel,op capability, this will cause the bot to
         "cycle", or PART and then JOIN the channel. <channel> is only necessary
-        if the message isn't sent in the channel itself.
+        if the message isn't sent in the channel itself. If <reason> is not
+        specified, the default part message specified in
+        supybot.plugins.Channel.partMsg will be used. No part message will be
+        used if neither a cycle reason nor a default part message is given.
         """
-        self._sendMsg(irc, ircmsgs.part(channel, msg.nick))
+        reason = (reason or self.registryValue("partMsg", channel))
+        reason = ircutils.standardSubstitute(irc, msg, reason)
+        self._sendMsg(irc, ircmsgs.part(channel, reason))
         networkGroup = conf.supybot.networks.get(irc.network)
         self._sendMsg(irc, networkGroup.channels.join(channel))
-    cycle = wrap(cycle, ['op'])
+    cycle = wrap(cycle, ['op', additional('text')])
 
     @internationalizeDocstring
     def kick(self, irc, msg, args, channel, nicks, reason):
@@ -951,6 +956,41 @@ class Channel(callbacks.Plugin):
         self.alertOps(irc, channel, text, frm=msg.nick)
     alert = wrap(alert, ['inChannel', 'text'])
 
+    @internationalizeDocstring
+    def part(self, irc, msg, args, channel, reason):
+        """[<channel>] [<reason>]
+
+        Tells the bot to part the list of channels you give it.  <channel> is
+        only necessary if you want the bot to part a channel other than the
+        current channel.  If <reason> is specified, use it as the part
+        message.  Otherwise, the default part message specified in
+        supybot.plugins.Channel.partMsg will be used. No part message will be
+        used if no default is configured.
+        """
+        if channel is None:
+            if irc.isChannel(msg.args[0]):
+                channel = msg.args[0]
+            else:
+                irc.error(Raise=True)
+        capability = ircdb.makeChannelCapability(channel, 'op')
+        hostmask = irc.state.nickToHostmask(msg.nick)
+        if not ircdb.checkCapability(hostmask, capability):
+            irc.errorNoCapability(capability, Raise=True)
+        try:
+            network = conf.supybot.networks.get(irc.network)
+            network.channels().remove(channel)
+        except KeyError:
+            pass
+        if channel not in irc.state.channels:
+            irc.error(_('I\'m not in %s.') % channel, Raise=True)
+        reason = (reason or self.registryValue("partMsg", channel))
+        reason = ircutils.standardSubstitute(irc, msg, reason)
+        irc.queueMsg(ircmsgs.part(channel, reason))
+        if msg.nick in irc.state.channels[channel].users:
+            irc.noReply()
+        else:
+            irc.replySuccess()
+    part = wrap(part, [optional('validChannel'), additional('text')])
 
 Class = Channel
 
diff --git a/plugins/Channel/test.py b/plugins/Channel/test.py
index 6a8e4568e..2ac9bc148 100644
--- a/plugins/Channel/test.py
+++ b/plugins/Channel/test.py
@@ -251,6 +251,27 @@ class ChannelTestCase(ChannelPluginTestCase):
     def testNicks(self):
         self.assertResponse('channel nicks', 'bar, foo, and test')
         self.assertResponse('channel nicks --count', '3')
-        
+
+    def testPart(self):
+        def getAfterJoinMessages():
+            m = self.irc.takeMsg()
+            self.assertEqual(m.command, 'MODE')
+            m = self.irc.takeMsg()
+            self.assertEqual(m.command, 'MODE')
+            m = self.irc.takeMsg()
+            self.assertEqual(m.command, 'WHO')
+        self.assertError('part #foo')
+        self.assertRegexp('part #foo', 'not in')
+        self.irc.feedMsg(ircmsgs.join('#foo', prefix=self.prefix))
+        getAfterJoinMessages()
+        m = self.getMsg('part #foo')
+        self.assertEqual(m.command, 'PART')
+        self.irc.feedMsg(ircmsgs.join('#foo', prefix=self.prefix))
+        getAfterJoinMessages()
+        m = self.getMsg('part #foo reason')
+        self.assertEqual(m.command, 'PART')
+        self.assertEqual(m.args[0], '#foo')
+        self.assertEqual(m.args[1], 'reason')
+
 # vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:
 
diff --git a/plugins/Owner/config.py b/plugins/Owner/config.py
index 25e5d9915..243e4ee07 100644
--- a/plugins/Owner/config.py
+++ b/plugins/Owner/config.py
@@ -46,10 +46,11 @@ conf.registerGlobalValue(Owner, 'public',
     registry.Boolean(True, """Determines whether this plugin is publicly
     visible."""))
 conf.registerGlobalValue(Owner, 'quitMsg',
-    registry.String('', """Determines what quit message will be used by default.
+    registry.String('$version', """Determines what quit message will be used by default.
     If the quit command is called without a quit message, this will be used.  If
     this value is empty, the nick of the person giving the quit command will be
-    used."""))
+    used.  The standard substitutions ($version, $nick, etc.) are all handled
+    appropriately."""))
 
 conf.registerGroup(conf.supybot.commands, 'renames', orderAlphabetically=True)
 
diff --git a/plugins/Owner/plugin.py b/plugins/Owner/plugin.py
index 8f5afc245..dc8de8981 100644
--- a/plugins/Owner/plugin.py
+++ b/plugins/Owner/plugin.py
@@ -344,9 +344,11 @@ class Owner(callbacks.Plugin):
 
         Exits the bot with the QUIT message <text>.  If <text> is not given,
         the default quit message (supybot.plugins.Owner.quitMsg) will be used.
-        If there is no default quitMsg set, your nick will be used.
+        If there is no default quitMsg set, your nick will be used. The standard
+        substitutions ($version, $nick, etc.) are all handled appropriately.
         """
         text = text or self.registryValue('quitMsg') or msg.nick
+        text = ircutils.standardSubstitute(irc, msg, text)
         irc.noReply()
         m = ircmsgs.quit(text)
         world.upkeep()
diff --git a/scripts/supybot b/scripts/supybot
index 00ebd9bf2..a658ea78a 100644
--- a/scripts/supybot
+++ b/scripts/supybot
@@ -69,6 +69,7 @@ import supybot.i18n as i18n
 import supybot.utils as utils
 import supybot.registry as registry
 import supybot.questions as questions
+import supybot.ircutils as ircutils
 
 from supybot.version import version
 
@@ -104,6 +105,7 @@ def main():
                 for irc in world.ircs:
                     quitmsg = conf.supybot.plugins.Owner.quitMsg() or \
                               'Ctrl-C at console.'
+                    quitmsg = ircutils.standardSubstitute(irc, None, quitmsg)
                     irc.queueMsg(ircmsgs.quit(quitmsg))
                     irc.die()
         except SystemExit as e:
diff --git a/src/ircutils.py b/src/ircutils.py
index 324c455bc..c7968954a 100644
--- a/src/ircutils.py
+++ b/src/ircutils.py
@@ -49,7 +49,7 @@ from cStringIO import StringIO as sio
 
 from . import utils
 from . import minisix
-
+from .version import version
 
 def debug(s, *args):
     """Prints a debug string.  Most likely replaced by our logging debug."""
@@ -690,6 +690,7 @@ def standardSubstitute(irc, msg, text, env=None):
         'm': localtime[4], 'min': localtime[4], 'minute': localtime[4],
         's': localtime[5], 'sec': localtime[5], 'second': localtime[5],
         'tz': time.strftime('%Z', localtime),
+        'version': 'Supybot %s' % version,
         })
     if irc:
         vars.update({