* lisp/help-fns.el (find-lisp-object-file-name): Accept any `type' as long
as it's a symbol.
(help-fns-short-filename): New function.
(describe-function-1): Use it. Use autoload-do-load.
* lisp/help-mode.el (help-function-def): Add optional arg `type'.
* lisp/emacs-lisp/cl-generic.el (cl-generic-ensure-function): It's OK to
override an autoload.
(cl-generic-current-method-specializers): Replace dyn-bind variable
with a lexically-scoped macro.
(cl--generic-lambda): Update accordingly.
(cl-generic-define-method): Record manually in the load-history with
type `cl-defmethod'.
(cl--generic-get-dispatcher): Minor optimization.
(cl--generic-search-method): New function.
(find-function-regexp-alist): Add entry for `cl-defmethod' type.
(cl--generic-search-method): Add hyperlinks for methods. Merge the
specializers and the function's arguments.
* lisp/emacs-lisp/eieio-core.el (eieio--defalias): Move to eieio-generic.el.
(eieio-defclass-autoload): Don't record the superclasses any more.
(eieio-defclass-internal): Reuse the old class object if it was just an
autoload stub.
(eieio--class-precedence-list): Load the class if it's autoloaded.
* lisp/emacs-lisp/eieio-generic.el (eieio--defalias): Move from eieio-core.
(eieio--defgeneric-init-form): Don't throw away a previous docstring.
(eieio--method-optimize-primary): Don't mess with the docstring.
(defgeneric): Keep the `args' in the docstring.
(defmethod): Don't use the method's docstring for the generic
function's docstring.
* lisp/emacs-lisp/find-func.el: Use lexical-binding.
(find-function-regexp): Don't rule out `defgeneric'.
(find-function-regexp-alist): Document new possibility of including
a function instead of a regexp.
(find-function-search-for-symbol): Implement that new possibility.
(find-function-library): Don't assume that `function' is a symbol.
(find-function-do-it): Remove unused var `orig-buf'.
* test/automated/cl-generic-tests.el (cl-generic-test-8-after/before):
Rename from cl-generic-test-7-after/before.
(cl--generic-test-advice): New function.
(cl-generic-test-9-advice): New test.
* test/automated/eieio-test-methodinvoke.el (eieio-test-cl-generic-1): Reset
eieio-test--1.
* lisp/emacs-lisp/find-func.el (find-function-library): Return a pair
(ORIG-FUNCTION . LIBRARY) instead of just its second element.
(find-function-noselect): Use it.
* lisp/progmodes/elisp-mode.el (elisp--xref-identifier-file): Rename to
`elisp--xref-identifier-location', incorporate logic from
`elisp--xref-find-definitions', use the changed
`find-function-library' return value.
* lisp/emacs-lisp/find-func.el (find-function-library): New function,
extracted from `find-function-noselect'.
* lisp/progmodes/elisp-mode.el (elisp--identifier-location): Fold back
into `elisp--company-location'.
(elisp--identifier-completion-table): Rename to
`elisp--identifier-completion-table', and do not include just any
symbols with a property list.
(elisp-completion-at-point): Revert the 2014-12-25 change.
(elisp--xref-identifier-file): New function.
(elisp--xref-find-definitions): Use it.
* lisp/progmodes/xref.el (xref-elisp-location): New class.
(xref-make-elisp-location): New function.
(xref-location-marker): New implementation.
* lisp/emacs-lisp/edebug.el (edebug-instrument-function): Use it to
signal an error for built-in functions.
* lisp/emacs-lisp/find-func.el (find-function-noselect): New arg
lisp-only.
Fixes: debbugs:6664
(find-function-C-source, find-function-noselect):
Use find-function-advised-original to handle advised funcs. (Bug#789)
(find-function-noselect): Add missing "is" in alias message.
locate-file-completion and make it use `pred' in the normal way.
(locate-file-completion): New compatibility wrapper.
(load-library): Use locate-file-completion-table.
* emacs-lisp/find-func.el (find-library): Likewise.
* info.el: Use with-current-buffer and inhibit-read-only.
(Info-read-node-name-2): Change to use `predicate' in the normal way.
(Info-read-node-name-1): Adjust uses accordingly.
If can't find definition, return nil for position.
(find-function-do-it): Handle new return value of find-definition-noselect.
(find-definition-noselect, find-variable-noselect): Doc fix.
(find-function-noselect): Doc fix.
