Examining the result of #'length: `eql', not `=', it's better style & cheaper 2011-03-08 Aidan Kehoe <kehoea@parhasard.net> * buff-menu.el (list-buffers-noselect): * byte-optimize.el (byte-optimize-identity): * byte-optimize.el (byte-optimize-if): * byte-optimize.el (byte-optimize-nth): * byte-optimize.el (byte-optimize-nthcdr): * bytecomp.el (byte-compile-warn-wrong-args): * bytecomp.el (byte-compile-two-args-19->20): * bytecomp.el (byte-compile-list): * bytecomp.el (byte-compile-beginning-of-line): * bytecomp.el (byte-compile-set): * bytecomp.el (byte-compile-set-default): * bytecomp.el (byte-compile-values): * bytecomp.el (byte-compile-values-list): * bytecomp.el (byte-compile-integerp): * bytecomp.el (byte-compile-multiple-value-list-internal): * bytecomp.el (byte-compile-throw): * cl-macs.el (cl-do-arglist): * cl-macs.el (cl-parse-loop-clause): * cl-macs.el (multiple-value-bind): * cl-macs.el (multiple-value-setq): * cl-macs.el (get-setf-method): * cmdloop.el (command-error): * cmdloop.el (y-or-n-p-minibuf): * cmdloop.el (yes-or-no-p-minibuf): * coding.el (unencodable-char-position): * cus-edit.el (custom-face-prompt): * cus-edit.el (custom-buffer-create-internal): * cus-edit.el (widget-face-action): * cus-edit.el (custom-group-value-create): * descr-text.el (describe-char-unicode-data): * dialog-gtk.el (popup-builtin-question-dialog): * dragdrop.el (experimental-dragdrop-drop-log-function): * dragdrop.el (experimental-dragdrop-drop-mime-default): * easymenu.el (easy-menu-add): * easymenu.el (easy-menu-remove): * faces.el (read-face-name): * faces.el (set-face-stipple): * files.el (file-name-non-special): * font.el (font-combine-fonts): * font.el (font-set-face-font): * font.el (font-parse-rgb-components): * font.el (font-rgb-color-p): * font.el (font-color-rgb-components): * gnuserv.el (gnuserv-edit-files): * help.el (key-or-menu-binding): * help.el (function-documentation-1): * help.el (function-documentation): * info.el (info): * isearch-mode.el (isearch-exit): * isearch-mode.el (isearch-edit-string): * isearch-mode.el (isearch-*-char): * isearch-mode.el (isearch-complete1): * ldap.el (ldap-encode-country-string): * ldap.el (ldap-decode-string): * minibuf.el (read-file-name-internal-1): * minibuf.el (read-non-nil-coding-system): * minibuf.el (get-user-response): * mouse.el (drag-window-divider): * mule/ccl.el: * mule/ccl.el (ccl-compile-if): * mule/ccl.el (ccl-compile-break): * mule/ccl.el (ccl-compile-repeat): * mule/ccl.el (ccl-compile-write-repeat): * mule/ccl.el (ccl-compile-call): * mule/ccl.el (ccl-compile-end): * mule/ccl.el (ccl-compile-read-multibyte-character): * mule/ccl.el (ccl-compile-write-multibyte-character): * mule/ccl.el (ccl-compile-translate-character): * mule/ccl.el (ccl-compile-mule-to-unicode): * mule/ccl.el (ccl-compile-unicode-to-mule): * mule/ccl.el (ccl-compile-lookup-integer): * mule/ccl.el (ccl-compile-lookup-character): * mule/ccl.el (ccl-compile-map-multiple): * mule/ccl.el (ccl-compile-map-single): * mule/devan-util.el (devanagari-compose-to-one-glyph): * mule/devan-util.el (devanagari-composition-component): * mule/mule-cmds.el (finish-set-language-environment): * mule/viet-util.el: * mule/viet-util.el (viet-encode-viscii-char): * multicast.el (open-multicast-group): * newcomment.el (comment-quote-nested): * newcomment.el (comment-region): * newcomment.el (comment-dwim): * regexp-opt.el (regexp-opt-group): * replace.el (map-query-replace-regexp): * specifier.el (derive-device-type-from-tag-set): * subr.el (skip-chars-quote): * test-harness.el (test-harness-from-buffer): * test-harness.el (batch-test-emacs): * wid-edit.el (widget-choice-action): * wid-edit.el (widget-symbol-prompt-internal): * wid-edit.el (widget-color-action): * window-xemacs.el (push-window-configuration): * window-xemacs.el (pop-window-configuration): * window.el (quit-window): * x-compose.el (electric-diacritic): It's better style, and cheaper (often one assembler instruction vs. a C funcall in the byte code), to use `eql' instead of `=' when it's clear what numerical type a given result will be. Change much of our code to do this, with the help of a byte-compiler change (not comitted) that looked for calls to #'length (which always returns an integer) in its args.

;;; iso8859-1.el --- Set case table for Latin 1

;; Copyright (C) 1992, 1997, 2006 Free Software Foundation, Inc.

;; Author: Jamie Zawinski <jwz@jwz.org>
;; Created: 19-aug-92
;; Maintainer: XEmacs Development Team
;; Keywords: internal, dumped

;; This file is part of XEmacs.

;; XEmacs is free software; you can redistribute it and/or modify it
;; under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.

;; XEmacs is distributed in the hope that it will be useful, but
;; WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
;; General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with XEmacs; see the file COPYING.  If not, write to the Free
;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
;; 02111-1307, USA.

;;; Synched up with:  Not in FSF. 

;;; Commentary:

;; Sets the case table for the ISO-8859/1 character set.
;; Provides ascii-case-table, for use in environments where multilingual
;; case-insensitive processing is inappropriate.

;;; Code:

(defvar ascii-case-table
  (loop
    for lower from (char-int ?a) to (char-int ?z)
    and upper from (char-int ?A) to (char-int ?Z)
    with table = (make-case-table)
    do (put-case-table-pair (coerce upper 'character)
                            (coerce lower 'character)
                            table)
    finally return table)
  "Case table for the ASCII character set.")

(loop
  for (upper lower)
  in '((?\xC0 ?\xE0) ;; A WITH GRAVE
       (?\xC1 ?\xE1) ;; A WITH ACUTE
       (?\xC2 ?\xE2) ;; A WITH CIRCUMFLEX
       (?\xC3 ?\xE3) ;; A WITH TILDE
       (?\xC4 ?\xE4) ;; A WITH DIAERESIS
       (?\xC5 ?\xE5) ;; A WITH RING ABOVE
       (?\xC6 ?\xE6) ;; AE
       (?\xC7 ?\xE7) ;; C WITH CEDILLA
       (?\xC8 ?\xE8) ;; E WITH GRAVE
       (?\xC9 ?\xE9) ;; E WITH ACUTE
       (?\xCA ?\xEA) ;; E WITH CIRCUMFLEX
       (?\xCB ?\xEB) ;; E WITH DIAERESIS
       (?\xCC ?\xEC) ;; I WITH GRAVE
       (?\xCD ?\xED) ;; I WITH ACUTE
       (?\xCE ?\xEE) ;; I WITH CIRCUMFLEX
       (?\xCF ?\xEF) ;; I WITH DIAERESIS
       (?\xD0 ?\xF0) ;; ETH
       (?\xD1 ?\xF1) ;; N WITH TILDE
       (?\xD2 ?\xF2) ;; O WITH GRAVE
       (?\xD3 ?\xF3) ;; O WITH ACUTE
       (?\xD4 ?\xF4) ;; O WITH CIRCUMFLEX
       (?\xD5 ?\xF5) ;; O WITH TILDE
       (?\xD6 ?\xF6) ;; O WITH DIAERESIS
       (?\xD8 ?\xF8) ;; O WITH STROKE
       (?\xD9 ?\xF9) ;; U WITH GRAVE
       (?\xDA ?\xFA) ;; U WITH ACUTE
       (?\xDB ?\xFB) ;; U WITH CIRCUMFLEX
       (?\xDC ?\xFC) ;; U WITH DIAERESIS
       (?\xDD ?\xFD) ;; Y WITH ACUTE
       (?\xDE ?\xFE)) ;; THORN
  with case-table = (standard-case-table)
  do (put-case-table-pair upper lower case-table))

;; Everything Latin-1 and above should be displayed as its character value
;; by default.
(setq-default ctl-arrow #xA0)

(when (and (compiled-function-p (symbol-function 'char-width))
	   (not (featurep 'mule)))
  (defalias 'char-width
    (let ((constantly (constantly 1)))
     (make-byte-code (compiled-function-arglist constantly)
		     (compiled-function-instructions constantly)
		     (compiled-function-constants constantly)
		     (compiled-function-stack-depth constantly)
		     (compiled-function-doc-string
		      (symbol-function 'char-width))))))

;; Shouldn't be necessary, but one file in the packages uses it:
(provide 'iso8859-1) 

;;; iso8859-1.el ends here