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(help-insert-string): New function. Save buffer

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contents in cases where it is impossible to recompute the old
contents.
This commit is contained in:
Nick Roberts 2005-12-27 21:11:50 +00:00
parent 6280f20d84
commit ee90fe9213
1 changed files with 9 additions and 0 deletions
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9
lisp/help-mode.el
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@ -648,6 +648,15 @@ For the cross-reference format, see `help-make-xrefs'."
(fboundp sym) (facep sym))
(help-do-xref pos #'help-xref-interned (list sym))))))
(defun help-insert-string (string)
"Insert STRING to the help buffer and install xref info for it.
This function can be used to restore the old contents of the help buffer
when going back to the previous topic in the xref stack. It is needed
in case when it is impossible to recompute the old contents of the
help buffer by other means."
(setq help-xref-stack-item (list #'help-insert-string string))
(with-output-to-temp-buffer (help-buffer)
(insert string)))
(provide 'help-mode)