/[emacs]/emacs/lisp/help-mode.el
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revision 1.11.4.8 by miles, Sat May 1 23:46:15 2004 UTC revision 1.11.4.9 by miles, Tue Jul 6 09:23:42 2004 UTC
# Line 577  help buffer." Line 577  help buffer."
577          (goto-char position)))))          (goto-char position)))))
578    
579  (defun help-go-back ()  (defun help-go-back ()
580    "Invoke the [back] button (if any) in the Help mode buffer."    "Go back to previous topic in this help buffer."
581    (interactive)    (interactive)
582    (let ((back-button (button-at (1- (point-max)))))    (if help-xref-stack
583      (if back-button        (help-xref-go-back (current-buffer))
584          (button-activate back-button)      (error "No previous help buffer.")))
       (error "No [back] button"))))  
585    
586  (defun help-do-xref (pos function args)  (defun help-do-xref (pos function args)
587    "Call the help cross-reference function FUNCTION with args ARGS.    "Call the help cross-reference function FUNCTION with args ARGS.

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