* emacs-lisp/byte-run.el (macro-declarations-alist): New
declaration no-font-lock-keyword.
(defmacro): Flush font-lock in existing elisp buffers.
* emacs-lisp/lisp-mode.el (lisp--el-update-after-load)
(lisp--el-update-macro-regexp, lisp--el-macro-regexp): Delete
functions and defconst.
(lisp--el-match-keyword): Rename from lisp--el-match-macro.
(lisp--el-font-lock-flush-elisp-buffers): New function.
(lisp-mode-variables): Remove code for updating
lisp--el-macro-regexp, and add
lisp--el-font-lock-flush-elisp-buffers to after-load-functions.
* emacs-lisp/lisp-mode.el (lisp--el-macro-regexp): New defconst.
(lisp--el-update-macro-regexp, lisp--el-update-after-load)
(lisp--el-match-macro): New functions.
(lisp-mode-variables): Update lisp--el-macro-regexp and add
lisp--el-update-after-load to after-load-functions.
* lisp/emacs-lisp/lisp-mode.el (lisp-string-after-doc-keyword-p): New fun.
(lisp-string-in-doc-position-p): New function, extracted from
lisp-font-lock-syntactic-face-function.
(lisp-font-lock-syntactic-face-function): Use them.
Fixes: debbugs:9130
* lisp/emacs-lisp/lisp-mode.el (lisp-mode-variables): Set
`comment-use-syntax' to t to avoid the unnecessary runtime check.
Set `comment-start-skip' to a simpler value that doesn't try to
check if the semicolon is escaped (this is handled by
`syntax-ppss' now).
* lisp/progmodes/scheme.el (scheme-mode-variables): Same.
command names and the last command. Always display additional
formats of the integer result in the echo area, and insert them
to the current buffer only with a zero prefix arg.
Display character when char-displayable-p is non-nil.
(eval-expression): With a zero prefix arg, set `print-length' and
`print-level' to nil, and insert the integer values from
`eval-expression-print-format' at the end. Doc fix.
* lisp/emacs-lisp/lisp-mode.el (eval-print-last-sexp): Add arg
`eval-last-sexp-arg-internal'. Doc fix.
(eval-last-sexp-1): Pass arg `eval-last-sexp-arg-internal' to
`eval-last-sexp-print-value'. Doc fix.
(eval-last-sexp-print-value): Add arg `eval-last-sexp-arg-internal'.
Set `print-length' and `print-level' to nil when arg is zero.
(eval-last-sexp): Doc fix.
(eval-defun-2): Print the integer values from
`eval-expression-print-format' at the end.
* lisp/emacs-lisp/edebug.el (edebug-eval-defun): Print the integer
values from `eval-expression-print-format' at the end.
* lisp/ielm.el (ielm-eval-input): Print the integer
values from `eval-expression-print-format' at the end.
Fixes: debbugs:12985
* lisp/progmodes/scheme.el (scheme-mode): Remove incorrect text from docstring.
* lisp/progmodes/prolog.el (prolog-mode): Remove incorrect text from docstring.
* lisp/emacs-lisp/lisp-mode.el (lisp-mode, lisp-interaction-mode, emacs-lisp-mode):
Remove incorrect text from docstring.
(lisp-el-font-lock-keywords, lisp-el-font-lock-keywords-1)
(lisp-el-font-lock-keywords-2, lisp-cl-font-lock-keywords)
(lisp-cl-font-lock-keywords-1, lisp-cl-font-lock-keywords-2): New constants.
(lisp-mode-variables): New `elisp' argument.
(emacs-lisp-mode): Use it.
* lisp/font-lock.el (lisp-font-lock-keywords, lisp-font-lock-keywords-1)
(lisp-font-lock-keywords-2): Move to lisp-mode.el.
* etc/NEWS: Document new Prettify Symbols mode.
* lisp/progmodes/prog-mode.el (prettify-symbols-alist): Rename from
`prog-prettify-symbols', and make a local defvar instead of defcustom.
(prettify-symbols--keywords): Rename from `prog-prettify-symbols-alist'
and make a local defvar.
(prettify-symbols--compose-symbol): Rename from
`prog--prettify-font-lock-compose-symbol'.
(prettify-symbols--make-keywords): Rename from
`prog-prettify-font-lock-symbols-keywords' and simplify.
(prog-prettify-install): Remove.
(prettify-symbols-mode): New minor mode, based on `prog-prettify-install'.
(turn-on-prettify-symbols-mode): New function.
(global-prettify-symbols-mode): New globalized minor mode.
* lisp/emacs-lisp/lisp-mode.el (lisp-mode-variables):
* lisp/progmodes/cfengine.el (cfengine3-mode):
* lisp/progmodes/perl-mode.el (perl-mode): Don't call `prog-prettify-install';
set `prettify-symbols-alist' instead.
(eval-defun-2, eval-defun, eval-last-sexp, eval-last-sexp-1): Doc fix.
(emacs-lisp-mode-map): Replace "minibuffer" with "echo area"
in the help string. (Bug#12985)
Fixes: debbugs:14344
* lisp/font-lock.el (lisp-font-lock-keywords-1, lisp-font-lock-keywords-2):
Don't assume all identifier chars have syntax word.
* lisp/emacs-lisp/lisp-mode.el (lisp-mode-variables):
Remove bar-not-symbol. Adjust callers.
(lisp-mode-variables): Don't set a font-lock-syntax-table.
* emacs-lisp/lisp-mode.el (lisp-mode-variables): Add optional
parameter BAR-NOT-SYMBOL to control syntax of | for font-lock.
(lisp-mode): Pass t for it.
