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help-setup-xref: Fix the previous changes

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* lisp/help-mode.el (help-setup-xref): Instead of killing all
local variables directly, call the current major mode function, to
preserve its own locals while dropping the rest (bug#73637).
This commit is contained in:
Dmitry Gutov 2024-10-09 04:03:51 +03:00
parent 44aa385b9a
commit ef87ce0ffa
1 changed files with 2 additions and 1 deletions
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lisp/help-mode.el
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@ -505,7 +505,8 @@ This should be called very early, before the output buffer is cleared,
because we want to record the \"previous\" position of point so we can
restore it properly when going back."
(with-current-buffer (help-buffer)
(kill-all-local-variables)
;; Re-enable major mode, killing all unrelated local vars.
(funcall major-mode)
(when help-xref-stack-item
(push (cons (point) help-xref-stack-item) help-xref-stack)
(setq help-xref-forward-stack nil))