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Most of this change is to boilerplate commentary such as license URLs. This change was prompted by ftp://ftp.gnu.org's going-away party, planned for November. Change these FTP URLs to https://ftp.gnu.org instead. Make similar changes for URLs to other organizations moving away from FTP. Also, change HTTP to HTTPS for URLs to gnu.org and fsf.org when this works, as this will further help defend against man-in-the-middle attacks (for this part I omitted the MS-DOS and MS-Windows sources and the test tarballs to keep the workload down). HTTPS is not fully working to lists.gnu.org so I left those URLs alone for now.
200 lines
7.4 KiB
EmacsLisp
200 lines
7.4 KiB
EmacsLisp
;;; rxvt.el --- define function key sequences and standard colors for rxvt
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;; Copyright (C) 2002-2017 Free Software Foundation, Inc.
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;; Author: Eli Zaretskii
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;; Keywords: terminals
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(require 'term/xterm)
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(defvar rxvt-function-map
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(let ((map (make-sparse-keymap)))
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(set-keymap-parent map xterm-rxvt-function-map)
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;; Set up input-decode-map entries that termcap and terminfo don't know.
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(define-key map "\e[7~" [home])
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(define-key map "\e[8~" [end])
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;; The strings emitted by f11 and f12 are the same as the strings
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;; emitted by S-f1 and S-f2, so don't define f11 and f12.
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;; (define-key rxvt-function-map "\e[23~" [f11])
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;; (define-key rxvt-function-map "\e[24~" [f12])
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(define-key map "\e[23~" [S-f1])
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(define-key map "\e[24~" [S-f2])
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(define-key map "\e[11^" [C-f1])
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(define-key map "\e[12^" [C-f2])
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(define-key map "\e[13^" [C-f3])
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(define-key map "\e[14^" [C-f4])
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(define-key map "\e[15^" [C-f5])
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(define-key map "\e[17^" [C-f6])
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(define-key map "\e[18^" [C-f7])
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(define-key map "\e[19^" [C-f8])
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(define-key map "\e[20^" [C-f9])
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(define-key map "\e[21^" [C-f10])
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(define-key map "\e[25~" [S-f3])
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(define-key map "\e[26~" [S-f4])
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(define-key map "\e[28~" [S-f5])
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(define-key map "\e[29~" [S-f6])
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(define-key map "\e[31~" [S-f7])
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(define-key map "\e[32~" [S-f8])
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(define-key map "\e[33~" [S-f9])
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(define-key map "\e[34~" [S-f10])
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(define-key map "\e[23^" [C-S-f1])
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(define-key map "\e[24^" [C-S-f2])
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(define-key map "\e[25^" [C-S-f3])
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(define-key map "\e[26^" [C-S-f4])
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(define-key map "\e[28^" [C-S-f5])
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(define-key map "\e[29^" [C-S-f6])
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(define-key map "\e[31^" [C-S-f7])
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(define-key map "\e[32^" [C-S-f8])
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(define-key map "\e[33^" [C-S-f9])
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(define-key map "\e[34^" [C-S-f10])
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(define-key map "\e[2^" [C-insert])
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(define-key map "\e[3^" [C-delete])
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(define-key map "\e[5^" [C-prior])
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(define-key map "\e[6^" [C-next])
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(define-key map "\e[7^" [C-home])
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(define-key map "\e[8^" [C-end])
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(define-key map "\eOd" [C-left])
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(define-key map "\eOc" [C-right])
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(define-key map "\eOa" [C-up])
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(define-key map "\eOb" [C-down])
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(define-key map "\e[3$" [S-delete])
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(define-key map "\e[5$" [S-prior])
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(define-key map "\e[6$" [S-next])
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(define-key map "\e[7$" [S-home])
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(define-key map "\e[8$" [S-end])
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(define-key map "\e[d" [S-left])
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(define-key map "\e[c" [S-right])
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(define-key map "\e[a" [S-up])
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(define-key map "\e[b" [S-down])
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map)
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"Function key overrides for rxvt.")
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(defvar rxvt-alternatives-map
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(let ((map (make-sparse-keymap)))
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;; The terminal initialization C code file might have initialized
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;; function keys F11->F42 from the termcap/terminfo information. On
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;; a PC-style keyboard these keys correspond to
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;; MODIFIER-FUNCTION_KEY, where modifier is S-, C-, C-S-. The
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;; code here substitutes the corresponding definitions in
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;; function-key-map. This substitution is needed because if a key
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;; definition if found in function-key-map, there are no further
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;; lookups in other keymaps.
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(define-key map [f11] [S-f1])
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(define-key map [f12] [S-f2])
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(define-key map [f13] [S-f3])
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(define-key map [f14] [S-f4])
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(define-key map [f15] [S-f5])
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(define-key map [f16] [S-f6])
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(define-key map [f17] [S-f7])
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(define-key map [f18] [S-f8])
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(define-key map [f19] [S-f9])
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(define-key map [f20] [S-f10])
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(define-key map [f23] [C-f1])
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(define-key map [f24] [C-f2])
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(define-key map [f25] [C-f3])
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(define-key map [f26] [C-f4])
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(define-key map [f27] [C-f5])
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(define-key map [f28] [C-f6])
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(define-key map [f29] [C-f7])
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(define-key map [f30] [C-f8])
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(define-key map [f31] [C-f9])
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(define-key map [f32] [C-f10])
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(define-key map [f33] [C-S-f1])
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(define-key map [f34] [C-S-f2])
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(define-key map [f35] [C-S-f3])
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(define-key map [f36] [C-S-f4])
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(define-key map [f37] [C-S-f5])
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(define-key map [f38] [C-S-f6])
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(define-key map [f39] [C-S-f7])
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(define-key map [f40] [C-S-f8])
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(define-key map [f41] [C-S-f9])
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(define-key map [f42] [C-S-f10])
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map)
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"Keymap of possible alternative meanings for some keys.")
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;; Set up colors, for those versions of rxvt that support it.
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(defvar rxvt-standard-colors
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;; The names of the colors in the comments taken from the rxvt.1 man
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;; page; the corresponding RGB values--from rgb.txt.
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'(("black" 0 ( 0 0 0)) ; black
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("red" 1 (205 0 0)) ; red3
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("green" 2 ( 0 205 0)) ; green3
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("yellow" 3 (205 205 0)) ; yellow3
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("blue" 4 ( 0 0 205)) ; blue3
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("magenta" 5 (205 0 205)) ; magenta3
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("cyan" 6 ( 0 205 205)) ; cyan3
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("white" 7 (229 229 229)) ; gray90
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("brightblack" 8 ( 77 77 77)) ; gray30
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("brightred" 9 (255 0 0)) ; red
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("brightgreen" 10 ( 0 255 0)) ; green
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("brightyellow" 11 (255 255 0)) ; yellow
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("brightblue" 12 ( 0 0 255)) ; blue
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("brightmagenta" 13 (255 0 255)) ; magenta
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("brightcyan" 14 ( 0 255 255)) ; cyan
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("brightwhite" 15 (255 255 255))) ; white
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"Names of 16 standard rxvt colors, their numbers, and RGB values.")
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(defun terminal-init-rxvt ()
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"Terminal initialization function for rxvt."
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(xterm--push-map rxvt-alternatives-map local-function-key-map)
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(xterm--push-map rxvt-function-map input-decode-map)
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;; Initialize colors and background mode.
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(xterm-register-default-colors rxvt-standard-colors)
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(rxvt-set-background-mode)
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;; This recomputes all the default faces given the colors we've just set up.
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(tty-set-up-initial-frame-faces))
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;; rxvt puts the default colors into an environment variable
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;; COLORFGBG. We use this to set the background mode in a more
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;; intelligent way than the default guesswork in startup.el.
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(defun rxvt-set-background-mode ()
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"Set background mode as appropriate for the default rxvt colors."
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(let ((fgbg (getenv "COLORFGBG"))
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bg rgb)
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(set-terminal-parameter nil 'background-mode 'light)
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(when (and fgbg
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(string-match ".*;\\([0-9][0-9]?\\)\\'" fgbg))
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(setq bg (string-to-number (substring fgbg (match-beginning 1))))
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;; The next line assumes that rxvt-standard-colors are ordered
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;; by the color index in the ascending order!
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(setq rgb (car (cddr (nth bg rxvt-standard-colors))))
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;; See the commentary in frame-set-background-mode about the
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;; computation below.
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(if (< (apply '+ rgb)
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;; The following line assumes that white is the 15th
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;; color in rxvt-standard-colors.
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(* (apply '+ (car (cddr (nth 15 rxvt-standard-colors)))) 0.6))
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(set-terminal-parameter nil 'background-mode 'dark)))))
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(provide 'term/rxvt)
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;;; rxvt.el ends here
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