Well, here's what I've noticed:
My observations have been the same. I strongly believe that GitHub needs to fix their parsing of Org verbatim/code text.
Note the ==monospace== text in the table.
So maybe Wolfram is right here, and the the problems are with the way
the ...[=description=]] links are rendered in Emacs and on GitHub.
Yup. Another reason to believe so is that
is equivalent to
in Markdown, and GitHub renders the Markdown version fine.
Also, below won't be rendered as a link :)
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