bug#46702: Link symbol name in Help

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Date: Mon, 22 Feb 2021 16:01:35 +0100
> Cc: 46702@debbugs.gnu.org
> 
> (defun help-make-xrefs (&optional buffer)
> [...]
>       (goto-char (point-min))
>       ;; Skip the header-type info, though it might be useful to parse
>       ;; it at some stage (e.g. "function in `library'").
>       (forward-paragraph)
> 
> Anybody know what the rationale behind this is?  I in complex values,
> there may be false positives, but...  I tried just removing that bit and
> looking at a couple of variables, and it fixes the problem described
> here, and I didn't see any regressions.

I think we should instead insert a newline before "Its value is...".
There's absolutely no need for it to follow the initial text.  This
fixes the problem without doing anything with the proverbial first
paragraph.