Looks pretty neat, but the demo account is too limited. For instance, it found a problem with my other comment here, but wouldn't tell what (of course, I have t

Looks pretty neat, but the demo account is too limited. For instance, it found a problem with my other comment here, but wouldn't tell what (of course, I have to pay up 30 bucks to see what it found). And, I guess it's web-only, which is a shame, since I wouldn't be able to automatically check my TeX-documents as part of the build process.