Are email addresses visible in public? Shouldn't be. But there is a serious flaw in WordPress's design that it displays the email address of people commenting on posts to the post's author. That's foolish, and I assume it's another consequence of WP's basic design as a one-person blog--the blog author is also its system administrator.

Just now I commented-out a half-dozen places in the software where it displays the email address of a comment author. It wasn't until the sixth that the lights went out on email addresses on the comment list in the Dashboard, so it's possible that I extinguished email addresses a couple of places I shouldn't have. And that I missed a place or two that I should have suppressed. I'd appreciate it if you'd let me know if you spot email addresses exposed elsewhere.

This kind of ad-hoc hack has a way of vanishing during a software upgrade, because the changes are outside my formal development process. In plain English, don't be suprised if email addresses reappear after an upgrade. Squawk, cite this incident, and I'll fix it again rapidamente.