In many posts migrated from the CA Communities, code blocks were migrated in a way that prevents them from being displayed correctly.
Some examples can be found in the discussion
Identifying hung AE server processes, such as
this reply.

The code block is not displayed correctly. Line feeds are not interpreted correctly.
Here's what it looks like in the editor:

Note also that extraneous ornamental quotation mark characters are inserted into block quotations. These characters are part ofHigher Logic's CSS style sheet for block quotations. They are not part of the quotations. These extra characters negatively impact the appearance of these quoted sections, because in this case the quoted text comprises command examples.
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@Jason McClellan