yeah really. i get the idea that mr mcallister isn't a regular user of flex/ flash builder.
And there is at least one open source IDE that uses it: http://en.wikipedia.org/wiki/FlashDevelop
Also, the main part of the Flash Player is open source: http://en.wikipedia.org/wiki/Tamarin_%28JavaScript_engine%29
And if I understand it correctly, the only reason it's not is due to licensing and patent stuff that is out of the control of Adobe.
I mean, come ON! A plugin for freakin' word-wrap?!
You need to install a plugin to enable this. Granted, this is a limitation of the underlying Eclipse on which it is built, but I was using Flex Builder, not Eclipse, so my beef stands.
Citations: http://forums.adobe.com/thread/451245, http://www.communitymx.com/abstract.cfm?cid=E0D9F