This question about Using an extension: Answered
Conflict with GoUptoTocPlugin
Numbered headers to not get a go-up-to-TOC link when using
GoUptoTocPlugin, although not-numbered headers continue to work normally.
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JacobEtches - 02 Apr 2012
That's a known issue. Imho,
GoUptoTocPlugin should be replaced with some simple jQuery instead of the HTML markup being rewritten on the server side.
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MichaelDaum - 03 Apr 2012