[tag:THIS-TAG-IS-IN-ALL-CAPS] and shows as such in the preview when editing/composing.  After posting, however, the post will show the tag with lowercase letters.  A very minor failure of the WYSIWYG, but ideally this wouldn't happen.

I assume the posted version is correct, so it's the previewer that has the bug.

Repro'd on Windows XP:

- Chrome 13.0.782.109 beta-m

Repro'd on Windows 7 x64:

- Chrome 13.0.782.109 beta-m
- Firefox 5.0.1
- IE 9