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Expose ElDoc functions in a hook (Bug#28257)

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* lisp/emacs-lisp/eldoc.el: Update commentary.
(eldoc--eval-expression-setup): Use new hook.
(eldoc--supported-p): Accomodate new hook.
(eldoc-documentation-functions): New hook.
(eldoc-documentation-default, eldoc-documentation-compose): New
functions.
(eldoc-documentation-function): Use 'eldoc-documentation-default' as new
default value.  Update documentation and custom attributes.
(eldoc-print-current-symbol-info): Accomodate possible null value for
'eldoc-documentation-function'.
* etc/NEWS: Mention them.
* doc/emacs/programs.texi (Emacs Lisp Documentation Lookup): Mention
new hook and changes to 'eldoc-documentation-function'.
* lisp/hexl.el (hexl-mode, hexl-revert-buffer-function):
* lisp/ielm.el (inferior-emacs-lisp-mode):
* lisp/progmodes/cfengine.el (cfengine3-mode):
* lisp/progmodes/elisp-mode.el (emacs-lisp-mode):
* lisp/progmodes/octave.el (octave-mode):
* lisp/progmodes/python.el (python-mode): Use new hook.
This commit is contained in:
Mark Oteiza 2020-02-25 17:53:04 -05:00
parent 03c07c88d9
commit c0fcbd2c11
9 changed files with 115 additions and 36 deletions
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6
lisp/progmodes/python.el
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@ -5544,8 +5544,10 @@ REPORT-FN is Flymake's callback function."
;; Emacs<25
(set (make-local-variable 'eldoc-documentation-function)
#'python-eldoc-function)
(add-function :before-until (local 'eldoc-documentation-function)
#'python-eldoc-function))
(if (boundp 'eldoc-documentation-functions)
(add-hook 'eldoc-documentation-functions #'python-eldoc-function nil t)
(add-function :before-until (local 'eldoc-documentation-function)
#'python-eldoc-function)))
(add-to-list
'hs-special-modes-alist