I have noticed that re-open tag had empty tag-info. Tag-info is a good place where users can be directed for some basic information.

I have tried to write some initial version of the tag-info. If you have some ideas for improvements, go ahead: meta.math.stackexchange.com/tags/re-open/info meta.math.stackexchange.com/posts/23323/revisions meta.math.stackexchange.com/posts/23324/revisions

[ SmokeDetector ] Bad keyword with email in answer, email in answer: A few questions about a relationship between some integer sequences and infinite recursive trees by Johan Kok on math.stackexchange.com …

[ SmokeDetector ] Few unique characters in answer: Product of two negative numbers is positive by Paul Sundheim on math.stackexchange.com …