Made a showDefault configuration option for deciding whether or not to write the default to the registry, and made registerPlugin set it to False (who needs to know what the default is for that stuff?)

src/conf.py

@@ -59,7 +59,7 @@ supybot.setName('supybot')
 
 def registerPlugin(name, currentValue=None):
     supybot.plugins.register(name, registry.Boolean(False, """Determines
-    whether this plugin is loaded by default."""))
+    whether this plugin is loaded by default.""", showDefault=False))
     if currentValue is not None:
         supybot.plugins.get(name).setValue(currentValue)
 

src/registry.py

@@ -87,12 +87,13 @@ def close(registry, filename, annotated=True, helpOnceOnly=False):
                     lines.insert(0, '\n')
                 if hasattr(value, 'value'):
                     lines.append('#\n')
-                    try:
-                        original = value.value
-                        value.value = value.default
-                        lines.append('# Default value: %s\n' % value)
-                    finally:
-                        value.value = original
+                    if value.showDefault:
+                        try:
+                            original = value.value
+                            value.value = value.default
+                            lines.append('# Default value: %s\n' % value)
+                        finally:
+                            value.value = original
                 lines.append('###\n')
                 fd.writelines(lines)
         if hasattr(value, 'value'): # This lets us print help for non-valued.
@@ -190,9 +191,10 @@ class Group(object):
 
 
 class Value(Group):
-    def __init__(self, default, help, **kwargs):
+    def __init__(self, default, help, showDefault=True, **kwargs):
         Group.__init__(self, **kwargs)
         self.default = default
+        self.showDefault = showDefault
         self.help = utils.normalizeWhitespace(help.strip())
         self.setValue(default)