diff options
Diffstat (limited to 'lisp/descr-text.el')
| -rw-r--r-- | lisp/descr-text.el | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/lisp/descr-text.el b/lisp/descr-text.el index 22cfccb1fb2..776ce7618d5 100644 --- a/lisp/descr-text.el +++ b/lisp/descr-text.el @@ -919,7 +919,7 @@ condition, the function may return string longer than WIDTH, see (t name))))))) ;;;###autoload -(defun describe-char-eldoc () +(defun describe-char-eldoc (_callback &rest _) "Return a description of character at point for use by ElDoc mode. Return nil if character at point is a printable ASCII @@ -934,7 +934,12 @@ This function can be used as a value of (let ((ch (following-char))) (when (and (not (zerop ch)) (or (< ch 32) (> ch 127))) ;; TODO: investigate if the new `eldoc-documentation-functions' - ;; API could significantly improve this. + ;; API could significantly improve this. JT@2020-07-07: Indeed, + ;; instead of returning a string tailored here for the echo area + ;; exclusively, we could call the (now unused) argument + ;; _CALLBACK with hints on how to shorten the string if needed, + ;; or with multiple usable strings which Eldoc picks according + ;; to its space contraints. (describe-char-eldoc--format ch (unless (eq eldoc-echo-area-use-multiline-p t) |