Steps to reproduce problem: 1. Disable JavaScript (Preferences/Advanced/Scripts) 2. Load the test case 3. Click on the text 4. Open the JavaScript console Actual results: JS error logged in the console Expected results: No JS, so no error

Actually, this is desirable. We want to be able to use chrome bindings from content, even from content that's not allowed to execute script. It doesn't completely work yet, but we have bugs on that. So I think this is invalid...

So do chrome bindings run on the content window's nsJSContext? Must they? /be

Ideally, they would not.... In practice, I don't know. If the JS is executing, they probably are not, since the event handler security checks are done agasinst the JSContext, as I recall...

So, there will always be a possibility that some xbl fires even when js is disabled in Help (if I wanted to use xbl instead of images)?

Yes, that would be a typical use case....