I just updated my Clear Fields extension to support Firefox 3.5. It should be available shortly.
if you don’t feel like waiting, click the following link to download it then drag the downloaded file in your firefox window:
clearfields 3.0.2 with support for firefox 3.5
A lot of updates are still pending for my extension… I really need to find some time to implement them. Thanks to anyone who “reminded” me I had to update this 
Clear Fields in Mozilla Addons (up-to-date \o/)
I am certainly waiting now for this update, is such a great add-on, i use it all the time and as i just upgraded to 3.5 i was a bit sad to see that it wasn't supported yet, but gladly you do care and are ready with this version… hopefully it will be aproved real soon
thanks a lot and keep the great work!!
great work Alex!
A very useful extension… didn't knew you where behind this!
he is behind a lot of things we don't know!
Almost perfect, only one thing: I want it as a cross INSIDE the text box (like in safari's search box). Please, if you do it i will give you a big hug!
It's a good idea, I'll see what I can do
How can I empty a text field that belongs to a html form?
Thank you very much.
In FF 3.6, clear the ‘Find’ field no longer is available.
Hopefully, you are still supporting this extension and can update.
Thank you
Yes, of course
I’ll fix the issue soon, thanks for reporting it 
An excellent addon, it’s really improved my work flow.
(I too am waiting for the button for the Find field to come back).
Thanks a bunch.
Anything that saves me clicks and keystrokes in the browser is awesome, thanks! I hacked my copy of clearfields.jar so it uses the clear location bar icon from Konqueror.
this one -> /usr/share/icons/crystalsvg/16×16/actions/locationbar_erase.png (from KDE 3.5)
Now we need a version for Firefox 4! (Please???)
It’s ready