/me thinks blazar may have cited his typos as an example of how a problem can occur; to that, the prior answers are on point. And I think the prior answers suggest a way we could program his "auto-close," even if the poster fails to make use of the available help.

Could we not use the output of "Enforce proper nesting of HTML" and "HTML error reporting during Preview" to drive new code which would auto-close tags still improperly open at the end of a node, if the writer fails to correct them before submitting?

In reply to Re: Unclosed tags in posts by ww
in thread Unclosed tags in posts by blazar

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