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Thanks for catching that. I had used unquote_plus instead of unquote. That is needed for multi-field form data, pydoc doens't need it.
Removed the back tick from the pydoc symbols list. The topic link for that symbol was already removed.
I also attempted to make the escape() usage a bit better by using the escape function from the html package in more places. It does just a bit better job of escaping.
I wasn't aware help() would take a "symbols" argument when I added the "keywords" and "topics" pages to the html server. I've been meaning to get this in for a while.