The TextMate plugin which leverages the Arduino backend exposes numerous build warnings which are hidden using the processing app. I had originally submitted Bug#12532. Here's a patch which corrects the issues. http://ooeygui.com/wp-content/ardWarnings.pack
It would be very cool if this could be applied to the 0012 branch.
This patch uses WebKit subversion packing script located at http://trac.webkit.org/projects/webkit/browser/trunk/WebKitTools/Scripts/svn-apply?format=raw