Enabling the debug menu in Safari (Mac/Win)

In Safari/Mac, from a terminal:
defaults write com.apple.Safari IncludeDebugMenu 1

In Safari/Win:
1. On your favorite XML editor, open:
c:\Documents and Settings\your_username\Application Data\Apple Computer\Safari\Preferences.plist
2. Add just before the closing </dict>
<key>IncludeDebugMenu</key>
<true/>
3. Restart Safari