>> + (setq help-xref-stack-item (list 'help-insert-string (buffer-string)))
>
> This is wrong. There are functions like help-setup-xref to do this job.
The function help-setup-xref is already used in describe-char as
(help-setup-xref nil (interactive-p))
It is called before the old contents of the help buffer is replaced with
the output of `describe-char'. This is necessary to record the previous
position of point. But since at this moment the help buffer doesn't contain
the new output of `describe-char', we should use nil for the first
argument `item' of the function `help-setup-xref' here, and should set
`help-xref-stack-item' explicitly later when the help buffer is ready.
> Don't access help-xref-stack-item directly unless you really have to, in
> which case you should justify it with a clear comment describing
> the problem.
Unless you propose a better solution, I will add a comment.
--
Juri Linkov
http://www.jurta.org/emacs/
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