From MozillaZine Knowledge Base

The following pages link to here:

• Quote bars
• Mailnews.reply header * (redirect page)
• Mail and news settings
• Mailnews.reply header type (redirect page)
• Mailnews.reply header authorwrote (redirect page)
• Mailnews.reply header colon (redirect page)
• Mailnews.reply header separator (redirect page)
• Mailnews.reply header ondate (redirect page)
• Mailnews.reply header locale (redirect page)
• Mailnews.reply header originalmessage (redirect page)
• Thunderbird 3.0 - New Features and Changes