Evaluate if the embedded code examples have a visible scrollbar #2450
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This implements the idea I drafted in #2012 (comment)
If the embedded code examples, shown in the ACE editor have any visible scrollbar (vertical or horizontal), the evaluator indicates this with
CodeExampleVScrollbar
orCodeExampleHScrollbar
in the result.Additionally ignore the default mdbook redirect pages. These render in the browser but looking at the canonical pages is enough and there is a massive speedup when evaluating the entire book.
The previous version showed the size of the main content element in the result. This is not really relevant as only violations to the policy are of interest, so the size was removed from the result.
the open pull request #2013 also references this idea