<p>The wording of the message could/should be improved, yes. However, for me, it is not obvious at all that a period is not allowed, but a space and ☃ is (almost the opposite of the constraints in e-mail addresses).</p>
<p>Ad sync: I guess, now so many people are editing this regexp. A short code comment could be added …</p>
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Reply to this email directly or <a href='https://github.com/openstreetmap/openstreetmap-website/issues/157#issuecomment-10321587'>view it on GitHub</a>.
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