* 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.
Suggested by Jari Aalto.
* lisp/emacs-lisp/lisp-mode.el (lisp-current-defun-name): New.
(lisp-mode-variables): Use it.
* lisp/progmodes/cc-mode.el (c-common-init):
* lisp/progmodes/cperl-mode.el (cperl-mode): Set a value for
add-log-current-defun-function.
* lisp/progmodes/m4-mode.el (m4-current-defun-name): New function.
(m4-mode): Use it.
* lisp/progmodes/perl-mode.el (perl-current-defun-name): New.
(perl-mode): Use it.
* lisp/progmodes/scheme.el (scheme-mode-variables, dsssl-mode): Use
lisp-current-defun-name.
* lisp/textmodes/tex-mode.el (tex-current-defun-name): New.
(tex-common-initialization): Use it.
* lisp/textmodes/texinfo.el (texinfo-current-defun-name): New.
(texinfo-mode): Use it.
* lisp/vc/add-log.el (add-log-current-defun-function): Doc fix.
(add-log-current-defun): Move mode-specific code to other files.
(add-log-lisp-like-modes, add-log-c-like-modes)
(add-log-tex-like-modes): Variables deleted.
Fixes: debbugs:2224
* lisp/faces.el (face-spec-set): Change the third arg to specify
whether this function is being called via defface, customize, or a
third party. Set the appropriate symbol properties. Clear the
override spec if setting via Custom. Initialize face if necessary.
(face-spec-recalc): Allow theme faces to completely replace the
defface spec, in the same way as custom faces (Bug#8454).
* lisp/cus-edit.el (custom-face-set, custom-face-mark-to-save)
(custom-face-reset-saved, custom-face-mark-to-reset-standard):
Simplify by using the new arg to face-spec-set.
* lisp/cus-face.el (custom-declare-face): Move face initialization to
face-spec-set.
(custom-theme-set-faces): Don't initialize the face name here, as
that is now done in face-spec-set.
* lisp/emacs-lisp/lisp-mode.el (eval-defun-1): When evaluating defface,
reset face-override-spec too, and use custom-declare-face.
Fixes: debbugs:4988
* lisp/emacs-lisp/lisp-mode.el (lisp-imenu-generic-expression): Don't
show defvars which have no second argument.
* lisp/imenu.el (imenu-generic-expression): Move documentation here
from imenu--generic-function.
(imenu--generic-function): Refer to imenu-generic-expression.
Fixes: debbugs:8638
* lisp/loadup.el (purify-flag): Pre-grow the hash-table to reduce the
memory use.
* lisp/bindings.el (bindings--define-key): New function.
* lisp/vc/vc-hooks.el, lisp/replace.el, lisp/menu-bar.el:
* lisp/international/mule-cmds.el, lisp/emacs-lisp/lisp-mode.el:
* lisp/buff-menu.el, lisp/bookmark.el:
* bindings.el: Use it to purecopy define-key bindings.
* src/fns.c (maybe_resize_hash_table): Output message when growing the
purify-hashtable.
after the `eval-defun-1' specialcaseing
like in `edebug-eval-defun'.
* lisp/emacs-lisp/edebug.el (edebug-eval-defun): Set `face-documentation'
like in `eval-defun-1'.
Fixes: debbugs:10181