Prior to the change backticks were used in an attempt to create a
code block. The problem is that inside block level HTML tags Markdown
is not supported. I have replaced the backticks with a combination of
HTML tags in order to approximately simulate the appearance of a code
block. The docs suggest possible use of span tags in place of the
surrounding div tags as a solution to getting the Markdown to render.
I tried this but no success.
This change improves the readers understanding of the information,
because the reader doesn't have to make sense of raw markdown.
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