It's at de:Hilfe:Wikisyntax/Validierung, for those who haven't seen it. It looks effective.
Topic on Talk:Parsing/Replacing Tidy
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It looks like @Lómelinde and @PerfektesChaos have put a lot of thought into that guide.
Thank you. I wonder whether you have noticed the precise effect when clicking the link in the green box on w:de:Special:LintErrors/tidy-whitespace-bug.
You mean the fact that it reaches a specific section? I have noticed you love anchors, yes :p
Yeah. But only before midnight.