You could make just a user profile field labeled "Notebook".

That's a lot harder to access, though, since it takes two clicks instead of one and requires the user to scroll down the page, if not to edit the field in the first place then definitely to save it. This is more convenient because it's easy to get to it and you can quickly just type in what you want and save it.

wow thanks for the update

Thank you! ;)

installed on 3.8, great mod

Thanks

Ouch, I will update to your version :)

I have installed but there is nothing showing? What code i need to add into usercp template, i think the product hasn't done the template changes...

It would be fantastic with the WYSIWYG editor and the other things like [b], [i], [u], font, size, etc.
However, I will use this mod on my site! :)

Nice thank you !
Installed

Which vBulletin version are you using? This product uses template hooks, which were introduced in 3.6.something. I think it was 3.6.6 or 3.6.7. If you have an earlier version or didn't revert the template when you upgraded, then try finding this bit in the USERCP template:

and adding this below it:

If it still doesn't work then, you'll need to change the plugin code. Just tell me if you do.

I never saw the point of parsing input in the personal notepad. After all, why would you need presentation on something that nobody other than you is going to be looking at? If you want to emphasize something in the notepad, there are plenty of text-only ways to do that. I think parsing it for formatting would get in the way more than it would help.