* lisp/emacs-lisp/cl-lib.el (cl--old-struct-type-of): New function.
(cl-old-struct-compat-mode): New minor mode.
* lisp/emacs-lisp/cl-macs.el (cl-defstruct): Pass `record' to
cl-struct-define to signal use of record objects.
* lisp/emacs-lisp/cl-preloaded.el (cl--struct-get-class,
cl-struct-define): Enable legacy defstruct compatibility.
* test/lisp/emacs-lisp/cl-lib-tests.el (cl-lib-old-struct,
old-struct): New tests.
* doc/lispref/elisp.texi, doc/lispref/records.texi: Document
`old-struct-compat'.
* lisp/emacs-lisp/cl-extra.el (cl--mapcar-many): Add optional arg ACC;
If non-nil, accumulate values in the result (Bug#25826).
(cl-mapc): Do computations inside function instead of call cl-map.
(cl-mapl): Do computations inside function instead of call cl-maplist.
* lisp/emacs-lisp/cl-lib.el (mapcar): Add autoload cookie.
Call cl--mapcar-many with non-nil 3rd argument.
* test/lisp/emacs-lisp/cl-extra-tests.el (cl-extra-test-map)
(cl-extra-test-mapc, cl-extra-test-mapcar, cl-extra-test-mapl)
(cl-extra-test-maplist): New tests.
Previously it was initialized to a random value, which made it
harder to reproduce earlier Emacs runs. The need for a random
value went away when Emacs introduced and used the #: syntax for
uninterned symbols (Bug#20862).
* doc/misc/cl.texi (Creating Symbols, Common Lisp Compatibility):
Document that cl--gensym-counter now starts with 0.
* lisp/emacs-lisp/cl-lib.el (cl--gensym-counter): Remove.
(cl--random-time): Move to near only remaining use.
* lisp/emacs-lisp/cl-macs.el (cl--gensym-counter): Initialize to 0.
* lisp/emacs-lisp/cl-macs.el (cl-struct): New pcase pattern.
* lisp/emacs-lisp/eieio.el (eieio-pcase-slot-index-table)
(eieio-pcase-slot-index-from-index-table): New functions.
(eieio): New pcase pattern.
* lisp/emacs-lisp/pcase.el (pcase--make-docstring): New function.
(pcase): Use it to build the docstring.
(pcase-defmacro): Make sure the macro is lazy-loaded.
(\`): Move its docstring from `pcase'.
* lisp/emacs-lisp/cl-lib.el: Move autoloaded code to cl-preload.
* lisp/emacs-lisp/cl-preloaded.el (cl-struct-define): Register as children
of the parent.
(cl--assertion-failed): New function.
(cl-assertion-failed): Move in from cl-lib.el.
* lisp/emacs-lisp/cl-macs.el (cl-defstruct): Don't generate code to register
as children of its parents.
(cl--make-type-test, cl--compiler-macro-typep): Remove functions.
(cl-typep): Reimplement using define-inline.
(cl-assert): Use cl--assertion-failed.
(cl-struct-slot-value): Use define-inline.
(package-obsolete-list): Rename from package-obsolete-alist, and make
it into a simple list of package-desc.
(package-strip-version): Remove.
(package-built-in-p): Use package--builtin-versions.
(package-mark-obsolete): Simplify.
(package-process-define-package): Mark it obsolete if older than the
builtin version.
(package-handle-response): Use line-end-position.
(package-read-archive-contents, package--download-one-archive):
Simplify.
(package--add-to-archive-contents): Skip if older than the builtin or
installed version.
(package-menu-describe-package): Fix last change.
(package-list-unversioned): New var.
(package-menu--generate): Use it.
* lisp/Makefile.in (autoloads): Set autoload-builtin-package-versions.
* lisp/startup.el (package--builtin-versions): New var.
(package-subdirectory-regexp): Remove.
(package--description-file): Hard code its value instead.
* lisp/emacs-lisp/autoload.el: Manage package--builtin-versions.
(autoload--insert-text, autoload--insert-cookie-text): New functions.
(autoload-builtin-package-versions): New variable.
(autoload-generate-file-autoloads): Use them.
Remove the list of autoloaded functions/macros from the
(autoload...) comments.
Add warning when a defvar appears after the first let-binding.
* lisp/emacs-lisp/bytecomp.el (byte-compile-lexical-variables): New var.
(byte-compile-close-variables): Initialize it.
(byte-compile--declare-var): New function.
(byte-compile-file-form-defvar)
(byte-compile-file-form-define-abbrev-table)
(byte-compile-file-form-custom-declare-variable): Use it.
(byte-compile-make-lambda-lexenv): Change the argument. Simplify.
(byte-compile-lambda): Share call to byte-compile-arglist-vars.
(byte-compile-bind): Handle dynamic bindings that shadow
lexical bindings.
(byte-compile-unbind): Make arg non-optional.
(byte-compile-let): Simplify.
* lisp/emacs-lisp/cconv.el (byte-compile-lexical-variables): Declare var.
(cconv--analyse-function, cconv-analyse-form): Populate it.
Protect byte-compile-bound-variables to limit the scope of defvars.
(cconv-analyse-form): Add missing rule for (defvar <foo>).
Remove unneeded rule for `declare'.
* lisp/emacs-lisp/cl-macs.el (cl--compiler-macro-adjoin): Use macroexp-let2
so as to avoid depending on cl-adjoin at run-time.
* lisp/emacs-lisp/cl-lib.el (cl-pushnew): Use backquotes.
* lisp/emacs-lisp/macroexp.el (macroexp--compiling-p): New function.
(macroexp--warn-and-return): Use it.
* lisp/emacs-lisp/cl-lib.el (cl-floatp-safe): Make it an alias for floatp.
* lisp/emacs-lisp/cl-macs.el (cl--make-type-test)
(cl--compiler-macro-assoc): Use floatp rather than cl-floatp-safe.
* doc/misc/cl.texi: Remove commented out sections about cl-floatp-safe.
* lisp/emacs-lisp/cl-macs.el (cl--pop2, cl--optimize-safety)
(cl--optimize-speed, cl--not-toplevel, cl--parse-loop-clause)
(cl--expand-do-loop, cl--proclaim-history, cl--declare-stack)
(cl--do-proclaim, cl--proclaims-deferred): Rename from the "cl-" prefix.
(cl-progv): Don't rely on dynamic scoping to find the body.
* lisp/emacs-lisp/cl-lib.el (cl--optimize-speed, cl--optimize-safety)
(cl--proclaims-deferred): Rename from the "cl-" prefix.
(cl-declaim): Use backquotes.
* lisp/emacs-lisp/cl-extra.el (cl-make-random-state, cl-random-state-p):
Use "cl--" prefix for the object's tag.
* lisp/woman.el (woman-non-underline-faces):
* lisp/emacs-lisp/cl-lib.el (face-underline-p):
Use set-face-underline rather than the alias set-face-underline-p.
