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Diffstat (limited to 'lisp/emacs-lisp/eldoc.el')
| -rw-r--r-- | lisp/emacs-lisp/eldoc.el | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/eldoc.el b/lisp/emacs-lisp/eldoc.el index 0c74f3fedc..d527d676d5 100644 --- a/lisp/emacs-lisp/eldoc.el +++ b/lisp/emacs-lisp/eldoc.el @@ -336,7 +336,12 @@ the variables `eldoc-argument-case' and `eldoc-echo-area-use-multiline-p', and the face `eldoc-highlight-function-argument', if they are to have any effect. -This variable is expected to be set buffer-locally by modes that support ElDoc.") +Major modes should modify this variable using `add-function', for example: + (add-function :before-until (local 'eldoc-documentation-function) + #'foo-mode-eldoc-function) +so that the global documentation function (i.e. the default value of the +variable) is taken into account if the major mode specific function does not +return any documentation.") (defun eldoc-print-current-symbol-info () ;; This is run from post-command-hook or some idle timer thing, |