Don't add anchors to empty headings #1938
Merged
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Edit: sorry the PR was submitted accidentally before I could add the description.
This PR fixes #1937 by ensuring that anchors are not added to empty headings.
I also added a CSS rule that hides anchor sections if they end up being a direct child of a list item. This happens on the rare occasion where the HTML is rewritten by another script after anchor sections are added. See rstudio/learnr#446 for such an example.
Finally, I bumped anchor sections to
1.0.1
inhtml_dependency_anchor_sections()
.All of the above were committed individually so you can cherry pick as needed.