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30803a05ce
if text has not changed since previous tex-send-command. (tex-send-command-modified-tick): New buffer-local variable.
1067 lines
39 KiB
EmacsLisp
1067 lines
39 KiB
EmacsLisp
;;; tex-mode.el --- TeX, LaTeX, and SliTeX mode commands.
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;; Copyright (C) 1985, 1986, 1989, 1992 Free Software Foundation, Inc.
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;; Maintainer: Edward M. Reingold <reingold@cs.uiuc.edu>
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;; Keywords: tex
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;; Contributions over the years by William F. Schelter, Dick King,
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;; Stephen Gildea, Michael Prange, and Jacob Gore.
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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 2, or (at your option)
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;; 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; see the file COPYING. If not, write to
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;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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;;; Code:
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(require 'comint)
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(require 'compile)
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;;;###autoload
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(defvar tex-shell-file-name nil
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"*If non-nil, is file name to use for the subshell in which TeX is run.")
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;;;###autoload
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(defvar tex-directory "."
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"*Directory in which temporary files are left.
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You can make this /tmp if your TEXINPUTS has no relative directories in it
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and you don't try to apply \\[tex-region] or \\[tex-buffer] when there are
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\\input commands with relative directories.")
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;;;###autoload
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(defvar tex-offer-save t
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"*If non-nil, ask about saving modified buffers before \\[tex-file] is run.")
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;;;###autoload
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(defvar tex-run-command "tex"
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"*Command used to run TeX subjob.
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If this string contains an asterisk (*), it will be replaced by the
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filename; if not, the name of the file, preceded by blank, will be added to
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this string.")
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;;;###autoload
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(defvar latex-run-command "latex"
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"*Command used to run LaTeX subjob.
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If this string contains an asterisk (*), it will be replaced by the
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filename; if not, the name of the file, preceded by blank, will be added to
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this string.")
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(defvar standard-latex-block-names
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'("abstract" "array" "center" "description"
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"displaymath" "document" "enumerate" "eqnarray"
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"eqnarray*" "equation" "figure" "figure*"
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"flushleft" "flushright" "itemize" "letter"
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"list" "minipage" "picture" "quotation"
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"quote" "slide" "sloppypar" "tabbing"
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"table" "table*" "tabular" "tabular*"
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"thebibliography" "theindex*" "titlepage" "trivlist"
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"verbatim" "verbatim*" "verse")
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"Standard LaTeX block names.")
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;;;###autoload
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(defvar latex-block-names nil
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"*User defined LaTeX block names.
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Combined with `standard-latex-block-names' for minibuffer completion.")
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;;;###autoload
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(defvar slitex-run-command "slitex"
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"*Command used to run SliTeX subjob.
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If this string contains an asterisk (*), it will be replaced by the
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filename; if not, the name of the file, preceded by blank, will be added to
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this string.")
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;;;###autoload
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(defvar tex-bibtex-command "bibtex"
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"*Command used by `tex-bibtex-file' to gather bibliographic data.
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If this string contains an asterisk (*), it will be replaced by the
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filename; if not, the name of the file, preceded by blank, will be added to
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this string.")
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;;;###autoload
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(defvar tex-dvi-print-command "lpr -d"
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"*Command used by \\[tex-print] to print a .dvi file.
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If this string contains an asterisk (*), it will be replaced by the
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filename; if not, the name of the file, preceded by blank, will be added to
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this string.")
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;;;###autoload
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(defvar tex-alt-dvi-print-command "lpr -d"
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"*Command used by \\[tex-print] with a prefix arg to print a .dvi file.
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If this string contains an asterisk (*), it will be replaced by the
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filename; if not, the name of the file, preceded by blank, will be added to
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this string.
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If two printers are not enough of a choice, you can define the value
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of tex-alt-dvi-print-command to be an expression that asks what you want;
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for example,
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(setq tex-alt-dvi-print-command
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'(format \"lpr -P%s\" (read-string \"Use printer: \")))
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would tell \\[tex-print] with a prefix argument to ask you which printer to
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use.")
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;;;###autoload
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(defvar tex-dvi-view-command nil
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"*Command used by \\[tex-view] to display a .dvi file.
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If this string contains an asterisk (*), it will be replaced by the
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filename; if not, the name of the file, preceded by blank, will be added to
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this string.
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This can be set conditionally so that the previewer used is suitable for the
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window system being used. For example,
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(setq tex-dvi-view-command
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(if (eq window-system 'x) \"xdvi\" \"dvi2tty * | cat -s\"))
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would tell \\[tex-view] use xdvi under X windows and to use dvi2tty
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otherwise.")
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;;;###autoload
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(defvar tex-show-queue-command "lpq"
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"*Command used by \\[tex-show-print-queue] to show the print queue.
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Should show the queue(s) that \\[tex-print] puts jobs on.")
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;;;###autoload
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(defvar tex-default-mode 'plain-tex-mode
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"*Mode to enter for a new file that might be either TeX or LaTeX.
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This variable is used when it can't be determined whether the file
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is plain TeX or LaTeX or what because the file contains no commands.
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Normally set to either 'plain-tex-mode or 'latex-mode.")
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;;;###autoload
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(defvar tex-open-quote "``"
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"*String inserted by typing \\[tex-insert-quote] to open a quotation.")
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;;;###autoload
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(defvar tex-close-quote "''"
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"*String inserted by typing \\[tex-insert-quote] to close a quotation.")
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(defvar tex-last-temp-file nil
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"Latest temporary file generated by \\[tex-region] and \\[tex-buffer].
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Deleted when the \\[tex-region] or \\[tex-buffer] is next run, or when the
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tex-shell goes away.")
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(defvar tex-command nil
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"Command to run TeX.
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The name of the file, preceded by a blank, will be added to this string.")
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(defvar tex-trailer nil
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"String appended after the end of a region sent to TeX by \\[tex-region].")
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(defvar tex-start-of-header nil
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"String used by \\[tex-region] to delimit the start of the file's header.")
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(defvar tex-end-of-header nil
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"String used by \\[tex-region] to delimit the end of the file's header.")
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(defvar tex-shell-cd-command "cd"
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"Command to give to shell running TeX to change directory.
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The value of tex-directory will be appended to this, separated by a space.")
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(defvar tex-zap-file nil
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"Temporary file name used for text being sent as input to TeX.
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Should be a simple file name with no extension or directory specification.")
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(defvar tex-last-buffer-texed nil
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"Buffer which was last TeXed.")
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(defvar tex-print-file nil
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"File name that \\[tex-print] prints.
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Set by \\[tex-region], \\[tex-buffer], and \\[tex-file].")
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(defvar tex-mode-syntax-table nil
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"Syntax table used while in TeX mode.")
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(defun tex-define-common-keys (keymap)
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"Define the keys that we want defined both in TeX mode and in the tex-shell."
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(define-key keymap "\C-c\C-k" 'tex-kill-job)
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(define-key keymap "\C-c\C-l" 'tex-recenter-output-buffer)
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(define-key keymap "\C-c\C-q" 'tex-show-print-queue)
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(define-key keymap "\C-c\C-p" 'tex-print)
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(define-key keymap "\C-c\C-v" 'tex-view)
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(define-key keymap [menu-bar tex] (cons "TeX" (make-sparse-keymap "TeX")))
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(define-key keymap [menu-bar tex tex-kill-job] '("Tex Kill" . tex-kill-job))
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(define-key keymap [menu-bar tex tex-recenter-output-buffer]
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'("Tex Recenter" . tex-recenter-output-buffer))
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(define-key keymap [menu-bar tex tex-show-print-queue]
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'("Show Print Queue" . tex-show-print-queue))
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(define-key keymap [menu-bar tex tex-alt-print]
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'("Tex Print (alt printer)" . tex-alt-print))
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(define-key keymap [menu-bar tex tex-print] '("Tex Print" . tex-print))
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(define-key keymap [menu-bar tex tex-view] '("Tex View" . tex-view))
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)
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(defvar tex-mode-map nil "Keymap for TeX mode.")
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(if tex-mode-map
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nil
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(setq tex-mode-map (make-sparse-keymap))
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(tex-define-common-keys tex-mode-map)
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(define-key tex-mode-map "\"" 'tex-insert-quote)
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(define-key tex-mode-map "\n" 'tex-terminate-paragraph)
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(define-key tex-mode-map "\C-c}" 'up-list)
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(define-key tex-mode-map "\C-c{" 'tex-insert-braces)
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(define-key tex-mode-map "\C-c\C-r" 'tex-region)
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(define-key tex-mode-map "\C-c\C-b" 'tex-buffer)
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(define-key tex-mode-map "\C-c\C-f" 'tex-file)
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(define-key tex-mode-map "\C-c\C-i" 'tex-bibtex-file)
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(define-key tex-mode-map "\C-c\C-o" 'tex-latex-block)
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(define-key tex-mode-map "\C-c\C-e" 'tex-close-latex-block)
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(define-key tex-mode-map [menu-bar tex tex-validate-region]
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'("Validate Region" . tex-validate-region))
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(define-key tex-mode-map [menu-bar tex validate-tex-buffer]
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'("Validate Buffer" . validate-tex-buffer))
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(define-key tex-mode-map [menu-bar tex tex-region]
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'("Tex Region" . tex-region))
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(define-key tex-mode-map [menu-bar tex tex-buffer]
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'("Tex Buffer" . tex-buffer))
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(define-key tex-mode-map [menu-bar tex tex-file] '("Tex File" . tex-file)))
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(put 'tex-region 'menu-enable 'mark-active)
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(put 'tex-validate-region 'menu-enable 'mark-active)
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(put 'tex-print 'menu-enable '(stringp tex-print-file))
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(put 'tex-alt-print 'menu-enable '(stringp tex-print-file))
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(put 'tex-view 'menu-enable '(stringp tex-print-file))
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(put 'tex-recenter-output-buffer 'menu-enable '(get-buffer "*tex-shell*"))
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(put 'tex-kill-job 'menu-enable '(tex-shell-running))
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(defvar tex-shell-map nil
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"Keymap for the tex-shell. A comint-mode-map with a few additions.")
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(defvar compare-windows-whitespace nil) ; Pacify the byte-compiler
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;;; This would be a lot simpler if we just used a regexp search,
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;;; but then it would be too slow.
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;;;###autoload
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(defun tex-mode ()
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"Major mode for editing files of input for TeX, LaTeX, or SliTeX.
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Tries to determine (by looking at the beginning of the file) whether
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this file is for plain TeX, LaTeX, or SliTeX and calls plain-tex-mode,
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latex-mode, or slitex-mode, respectively. If it cannot be determined,
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such as if there are no commands in the file, the value of tex-default-mode
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is used."
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(interactive)
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(let (mode slash comment)
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(save-excursion
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(goto-char (point-min))
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(while (and (setq slash (search-forward "\\" nil t))
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(setq comment (let ((search-end (point)))
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(save-excursion
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(beginning-of-line)
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(search-forward "%" search-end t))))))
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(if (and slash (not comment))
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(setq mode (if (looking-at "documentstyle")
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(if (looking-at "documentstyle{slides}")
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'slitex-mode
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'latex-mode)
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'plain-tex-mode))))
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(if mode (funcall mode)
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(funcall tex-default-mode))))
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;;;###autoload
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(defalias 'TeX-mode 'tex-mode)
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;;;###autoload
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(defalias 'LaTeX-mode 'latex-mode)
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;;;###autoload
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(defun plain-tex-mode ()
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"Major mode for editing files of input for plain TeX.
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Makes $ and } display the characters they match.
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Makes \" insert `` when it seems to be the beginning of a quotation,
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and '' when it appears to be the end; it inserts \" only after a \\.
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Use \\[tex-region] to run TeX on the current region, plus a \"header\"
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copied from the top of the file (containing macro definitions, etc.),
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running TeX under a special subshell. \\[tex-buffer] does the whole buffer.
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\\[tex-file] saves the buffer and then processes the file.
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\\[tex-print] prints the .dvi file made by any of these.
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\\[tex-view] previews the .dvi file made by any of these.
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\\[tex-bibtex-file] runs bibtex on the file of the current buffer.
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Use \\[validate-tex-buffer] to check buffer for paragraphs containing
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mismatched $'s or braces.
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Special commands:
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\\{tex-mode-map}
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Mode variables:
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tex-run-command
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Command string used by \\[tex-region] or \\[tex-buffer].
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tex-directory
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Directory in which to create temporary files for TeX jobs
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run by \\[tex-region] or \\[tex-buffer].
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tex-dvi-print-command
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Command string used by \\[tex-print] to print a .dvi file.
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tex-alt-dvi-print-command
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Alternative command string used by \\[tex-print] (when given a prefix
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argument) to print a .dvi file.
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tex-dvi-view-command
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Command string used by \\[tex-view] to preview a .dvi file.
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tex-show-queue-command
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Command string used by \\[tex-show-print-queue] to show the print
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queue that \\[tex-print] put your job on.
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Entering Plain-tex mode calls the value of `text-mode-hook', then the value
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of `tex-mode-hook', and then the value of `plain-tex-mode-hook'. When the
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special subshell is initiated, the value of `tex-shell-hook' is called."
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(interactive)
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(tex-common-initialization)
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(setq mode-name "TeX")
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(setq major-mode 'plain-tex-mode)
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(setq tex-command tex-run-command)
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(setq tex-start-of-header "%**start of header")
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(setq tex-end-of-header "%**end of header")
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(setq tex-trailer "\\bye\n")
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(run-hooks 'text-mode-hook 'tex-mode-hook 'plain-tex-mode-hook))
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;;;###autoload
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(defalias 'plain-TeX-mode 'plain-tex-mode)
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;;;###autoload
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(defun latex-mode ()
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"Major mode for editing files of input for LaTeX.
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Makes $ and } display the characters they match.
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Makes \" insert `` when it seems to be the beginning of a quotation,
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and '' when it appears to be the end; it inserts \" only after a \\.
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Use \\[tex-region] to run LaTeX on the current region, plus the preamble
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copied from the top of the file (containing \\documentstyle, etc.),
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running LaTeX under a special subshell. \\[tex-buffer] does the whole buffer.
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\\[tex-file] saves the buffer and then processes the file.
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\\[tex-print] prints the .dvi file made by any of these.
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\\[tex-view] previews the .dvi file made by any of these.
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\\[tex-bibtex-file] runs bibtex on the file of the current buffer.
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Use \\[validate-tex-buffer] to check buffer for paragraphs containing
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mismatched $'s or braces.
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Special commands:
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\\{tex-mode-map}
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Mode variables:
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latex-run-command
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Command string used by \\[tex-region] or \\[tex-buffer].
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tex-directory
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Directory in which to create temporary files for LaTeX jobs
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run by \\[tex-region] or \\[tex-buffer].
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tex-dvi-print-command
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Command string used by \\[tex-print] to print a .dvi file.
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tex-alt-dvi-print-command
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Alternative command string used by \\[tex-print] (when given a prefix
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argument) to print a .dvi file.
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tex-dvi-view-command
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Command string used by \\[tex-view] to preview a .dvi file.
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tex-show-queue-command
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Command string used by \\[tex-show-print-queue] to show the print
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queue that \\[tex-print] put your job on.
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Entering Latex mode calls the value of text-mode-hook, then the value of
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tex-mode-hook, and then the value of latex-mode-hook. When the special
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subshell is initiated, the value of tex-shell-hook is called."
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(interactive)
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(tex-common-initialization)
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(setq mode-name "LaTeX")
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(setq major-mode 'latex-mode)
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(setq tex-command latex-run-command)
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(setq tex-start-of-header "\\documentstyle")
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(setq tex-end-of-header "\\begin{document}")
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(setq tex-trailer "\\end{document}\n")
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(run-hooks 'text-mode-hook 'tex-mode-hook 'latex-mode-hook))
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;;;###autoload
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(defun slitex-mode ()
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"Major mode for editing files of input for SliTeX.
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Makes $ and } display the characters they match.
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Makes \" insert `` when it seems to be the beginning of a quotation,
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and '' when it appears to be the end; it inserts \" only after a \\.
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Use \\[tex-region] to run SliTeX on the current region, plus the preamble
|
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copied from the top of the file (containing \\documentstyle, etc.),
|
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running SliTeX under a special subshell. \\[tex-buffer] does the whole buffer.
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\\[tex-file] saves the buffer and then processes the file.
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\\[tex-print] prints the .dvi file made by any of these.
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\\[tex-view] previews the .dvi file made by any of these.
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\\[tex-bibtex-file] runs bibtex on the file of the current buffer.
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Use \\[validate-tex-buffer] to check buffer for paragraphs containing
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mismatched $'s or braces.
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Special commands:
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\\{tex-mode-map}
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Mode variables:
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slitex-run-command
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Command string used by \\[tex-region] or \\[tex-buffer].
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tex-directory
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Directory in which to create temporary files for SliTeX jobs
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run by \\[tex-region] or \\[tex-buffer].
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tex-dvi-print-command
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Command string used by \\[tex-print] to print a .dvi file.
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tex-alt-dvi-print-command
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Alternative command string used by \\[tex-print] (when given a prefix
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argument) to print a .dvi file.
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tex-dvi-view-command
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Command string used by \\[tex-view] to preview a .dvi file.
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tex-show-queue-command
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Command string used by \\[tex-show-print-queue] to show the print
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queue that \\[tex-print] put your job on.
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Entering SliTeX mode calls the value of `text-mode-hook', then the value of
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`tex-mode-hook', then the value of `latex-mode-hook', and then the value of
|
||
`slitex-mode-hook'. When the special subshell is initiated, the value of
|
||
`tex-shell-hook' is called."
|
||
(interactive)
|
||
(tex-common-initialization)
|
||
(setq mode-name "SliTeX")
|
||
(setq major-mode 'slitex-mode)
|
||
(setq tex-command slitex-run-command)
|
||
(setq tex-start-of-header "\\documentstyle{slides}")
|
||
(setq tex-end-of-header "\\begin{document}")
|
||
(setq tex-trailer "\\end{document}\n")
|
||
(run-hooks
|
||
'text-mode-hook 'tex-mode-hook 'latex-mode-hook 'slitex-mode-hook))
|
||
|
||
(defun tex-common-initialization ()
|
||
(kill-all-local-variables)
|
||
(use-local-map tex-mode-map)
|
||
(setq local-abbrev-table text-mode-abbrev-table)
|
||
(if (null tex-mode-syntax-table)
|
||
(let ((char 0))
|
||
(setq tex-mode-syntax-table (make-syntax-table))
|
||
(set-syntax-table tex-mode-syntax-table)
|
||
(while (< char ? )
|
||
(modify-syntax-entry char ".")
|
||
(setq char (1+ char)))
|
||
(modify-syntax-entry ?\C-@ "w")
|
||
(modify-syntax-entry ?\t " ")
|
||
(modify-syntax-entry ?\n ">")
|
||
(modify-syntax-entry ?\f ">")
|
||
(modify-syntax-entry ?$ "$$")
|
||
(modify-syntax-entry ?% "<")
|
||
(modify-syntax-entry ?\\ "/")
|
||
(modify-syntax-entry ?\" ".")
|
||
(modify-syntax-entry ?& ".")
|
||
(modify-syntax-entry ?_ ".")
|
||
(modify-syntax-entry ?@ "_")
|
||
(modify-syntax-entry ?~ " ")
|
||
(modify-syntax-entry ?' "w"))
|
||
(set-syntax-table tex-mode-syntax-table))
|
||
(make-local-variable 'paragraph-start)
|
||
(setq paragraph-start "^[ \t]*$\\|^[\f\\\\%]")
|
||
(make-local-variable 'paragraph-separate)
|
||
(setq paragraph-separate paragraph-start)
|
||
(make-local-variable 'comment-start)
|
||
(setq comment-start "%")
|
||
(make-local-variable 'comment-start-skip)
|
||
(setq comment-start-skip "\\(\\(^\\|[^\\]\\)\\(\\\\\\\\\\)*\\)\\(%+ *\\)")
|
||
(make-local-variable 'comment-indent-function)
|
||
(setq comment-indent-function 'tex-comment-indent)
|
||
(make-local-variable 'compare-windows-whitespace)
|
||
(setq compare-windows-whitespace 'tex-categorize-whitespace)
|
||
(make-local-variable 'tex-command)
|
||
(make-local-variable 'tex-start-of-header)
|
||
(make-local-variable 'tex-end-of-header)
|
||
(make-local-variable 'tex-trailer))
|
||
|
||
(defun tex-comment-indent ()
|
||
(if (looking-at "%%%")
|
||
(current-column)
|
||
(skip-chars-backward " \t")
|
||
(max (if (bolp) 0 (1+ (current-column)))
|
||
comment-column)))
|
||
|
||
(defun tex-categorize-whitespace (backward-limit)
|
||
;; compare-windows-whitespace is set to this.
|
||
;; This is basically a finite-state machine.
|
||
;; Returns a symbol telling how TeX would treat
|
||
;; the whitespace we are looking at: null, space, or par.
|
||
(let ((category 'null)
|
||
(not-finished t))
|
||
(skip-chars-backward " \t\n\f" backward-limit)
|
||
(while not-finished
|
||
(cond ((looking-at "[ \t]+")
|
||
(goto-char (match-end 0))
|
||
(if (eql category 'null)
|
||
(setq category 'space)))
|
||
((looking-at "\n")
|
||
(cond ((eql category 'newline)
|
||
(setq category 'par)
|
||
(setq not-finished nil))
|
||
(t
|
||
(setq category 'newline) ;a strictly internal state
|
||
(goto-char (match-end 0)))))
|
||
((looking-at "\f+")
|
||
(setq category 'par)
|
||
(setq not-finished nil))
|
||
(t
|
||
(setq not-finished nil))))
|
||
(skip-chars-forward " \t\n\f")
|
||
(if (eql category 'newline)
|
||
'space ;TeX doesn't distinguish
|
||
category)))
|
||
|
||
(defun tex-insert-quote (arg)
|
||
"Insert the appropriate quote marks for TeX.
|
||
Inserts the value of `tex-open-quote' (normally ``) or `tex-close-quote'
|
||
\(normally '') depending on the context. With prefix argument, always
|
||
inserts \" characters."
|
||
(interactive "*P")
|
||
(if arg
|
||
(self-insert-command (prefix-numeric-value arg))
|
||
(insert
|
||
(cond ((or (bobp)
|
||
(save-excursion
|
||
(forward-char -1)
|
||
(looking-at "\\s(\\|\\s \\|\\s>")))
|
||
tex-open-quote)
|
||
((= (preceding-char) ?\\)
|
||
?\")
|
||
(t
|
||
tex-close-quote)))))
|
||
|
||
(defun validate-tex-buffer ()
|
||
"Check current buffer for paragraphs containing mismatched $s.
|
||
Their positions are recorded in the buffer `*Occur*'.
|
||
To find a particular invalidity from `*Occur*',
|
||
switch to to that buffer and type C-c C-c on the line
|
||
for the invalidity you want to see."
|
||
(interactive)
|
||
(let ((buffer (current-buffer))
|
||
(prevpos (point-min))
|
||
(linenum nil))
|
||
(with-output-to-temp-buffer "*Occur*"
|
||
(princ "Mismatches:\n")
|
||
(save-excursion
|
||
(set-buffer standard-output)
|
||
(occur-mode)
|
||
(setq occur-buffer buffer)
|
||
(setq occur-nlines 0)
|
||
(setq occur-pos-list nil))
|
||
(save-excursion
|
||
(goto-char (point-max))
|
||
(while (and (not (input-pending-p)) (not (bobp)))
|
||
(let ((end (point)))
|
||
;; Scan the previous paragraph for invalidities.
|
||
(search-backward "\n\n" nil 'move)
|
||
(or (tex-validate-region (point) end)
|
||
(let* ((end (save-excursion (forward-line 1) (point)))
|
||
start tem)
|
||
(beginning-of-line)
|
||
(setq start (point))
|
||
;; Keep track of line number as we scan,
|
||
;; in a cumulative fashion.
|
||
(if linenum
|
||
(setq linenum (- linenum (count-lines prevpos (point))))
|
||
(setq linenum (1+ (count-lines 1 start))))
|
||
(setq prevpos (point))
|
||
;; Mention this mismatch in *Occur*.
|
||
;; Since we scan from end of buffer to beginning,
|
||
;; add each mismatch at the beginning of *Occur*
|
||
;; and at the beginning of occur-pos-list.
|
||
(save-excursion
|
||
(setq tem (point-marker))
|
||
(set-buffer standard-output)
|
||
(goto-char (point-min))
|
||
;; Skip "Mismatches:" header line.
|
||
(forward-line 1)
|
||
(setq occur-pos-list (cons tem occur-pos-list))
|
||
(insert-buffer-substring buffer start end)
|
||
(forward-char (- start end))
|
||
(insert (format "%3d: " linenum))))))))
|
||
(save-excursion
|
||
(set-buffer standard-output)
|
||
(if (null occur-pos-list)
|
||
(insert "None!\n"))
|
||
(if (interactive-p)
|
||
(message "%d mismatches found" (length occur-pos-list)))))))
|
||
|
||
(defun tex-validate-region (start end)
|
||
"Check for mismatched braces or $'s in region.
|
||
Returns t if no mismatches. Returns nil and moves point to suspect
|
||
area if a mismatch is found."
|
||
(interactive "r")
|
||
(let ((failure-point nil) (max-possible-sexps (- end start)))
|
||
(save-excursion
|
||
(condition-case ()
|
||
(save-restriction
|
||
(narrow-to-region start end)
|
||
(goto-char start)
|
||
(while (< 0 (setq max-possible-sexps (1- max-possible-sexps)))
|
||
(forward-sexp 1)))
|
||
(error
|
||
(setq failure-point (point)))))
|
||
(if failure-point
|
||
(progn
|
||
(goto-char failure-point)
|
||
nil)
|
||
t)))
|
||
|
||
(defun tex-terminate-paragraph (inhibit-validation)
|
||
"Insert two newlines, breaking a paragraph for TeX.
|
||
Check for mismatched braces/$'s in paragraph being terminated.
|
||
A prefix arg inhibits the checking."
|
||
(interactive "*P")
|
||
(or inhibit-validation
|
||
(save-excursion
|
||
(tex-validate-region
|
||
(save-excursion
|
||
(search-backward "\n\n" nil 'move)
|
||
(point))
|
||
(point)))
|
||
(message "Paragraph being closed appears to contain a mismatch"))
|
||
(insert "\n\n"))
|
||
|
||
(defun tex-insert-braces ()
|
||
"Make a pair of braces and be poised to type inside of them."
|
||
(interactive "*")
|
||
(insert ?\{)
|
||
(save-excursion
|
||
(insert ?})))
|
||
|
||
;;; Like tex-insert-braces, but for LaTeX.
|
||
(defun tex-latex-block (name)
|
||
"Creates a matching pair of lines \\begin{NAME} and \\end{NAME} at point.
|
||
Puts point on a blank line between them."
|
||
(interactive
|
||
(prog2
|
||
(barf-if-buffer-read-only)
|
||
(list
|
||
(completing-read "LaTeX block name: "
|
||
(mapcar 'list
|
||
(append standard-latex-block-names
|
||
latex-block-names))))))
|
||
(let ((col (current-column)))
|
||
(insert (format "\\begin{%s}\n" name))
|
||
(indent-to col)
|
||
(save-excursion
|
||
(insert ?\n)
|
||
(indent-to col)
|
||
(insert-string (format "\\end{%s}" name))
|
||
(if (eobp) (insert ?\n)))))
|
||
|
||
(defun tex-last-unended-begin ()
|
||
"Leave point at the beginning of the last \\begin{...} that is unended."
|
||
(while (and (re-search-backward "\\(\\\\begin\\s *{\\)\\|\\(\\\\end\\s *{\\)")
|
||
(looking-at "\\\\end{"))
|
||
(tex-last-unended-begin)))
|
||
|
||
(defun tex-close-latex-block ()
|
||
"Creates an \\end{...} to match the last unclosed \\begin{...}."
|
||
(interactive "*")
|
||
(let ((new-line-needed (bolp))
|
||
text indentation)
|
||
(save-excursion
|
||
(condition-case nil
|
||
(tex-last-unended-begin)
|
||
(error (error "Couldn't find unended \\begin")))
|
||
(setq indentation (current-column))
|
||
(re-search-forward "\\\\begin\\(\\s *{[^}\n]*}\\)")
|
||
(setq text (buffer-substring (match-beginning 1) (match-end 1))))
|
||
(indent-to indentation)
|
||
(insert "\\end" text)
|
||
(if new-line-needed (insert ?\n))))
|
||
|
||
(defun tex-compilation-parse-errors ()
|
||
"Parse the current buffer as error messages.
|
||
This makes a list of error descriptors, compilation-error-list.
|
||
For each source-file, line-number pair in the buffer,
|
||
the source file is read in, and the text location is saved in
|
||
compilation-error-list. The function `next-error', assigned to
|
||
\\[next-error], takes the next error off the list and visits its location.
|
||
|
||
This function works on TeX compilations only. It is necessary for
|
||
that purpose, since TeX does not put file names on the same line as
|
||
line numbers for the errors."
|
||
(setq compilation-error-list nil)
|
||
(message "Parsing error messages...")
|
||
(modify-syntax-entry ?\{ "_")
|
||
(modify-syntax-entry ?\} "_")
|
||
(modify-syntax-entry ?\[ "_")
|
||
(modify-syntax-entry ?\] "_")
|
||
(let (text-buffer
|
||
last-filename last-linenum)
|
||
;; Don't reparse messages already seen at last parse.
|
||
(goto-char compilation-parsing-end)
|
||
;; Don't parse the first two lines as error messages.
|
||
;; This matters for grep.
|
||
(if (bobp)
|
||
(forward-line 2))
|
||
(while (re-search-forward "^l\.[0-9]+ " nil t)
|
||
(let (linenum filename
|
||
error-marker text-marker)
|
||
;; Extract file name and line number from error message.
|
||
;; Line number is 2 away from beginning of line: "l.23"
|
||
(beginning-of-line)
|
||
(goto-char (+ (point) 2))
|
||
(setq linenum (read (current-buffer)))
|
||
;; The file is the one that was opened last and is still open.
|
||
;; We need to find the last open parenthesis.
|
||
(insert ?\))
|
||
(backward-sexp)
|
||
(forward-char)
|
||
(setq filename (current-word))
|
||
;; Locate the erring file and line.
|
||
(if (and (equal filename last-filename)
|
||
(= linenum last-linenum))
|
||
nil
|
||
(skip-chars-backward "^(")
|
||
(backward-char)
|
||
(forward-sexp)
|
||
(backward-delete-char 1)
|
||
(setq error-marker (point-marker))
|
||
;; text-buffer gets the buffer containing this error's file.
|
||
(if (not (equal filename last-filename))
|
||
(setq text-buffer
|
||
(and (file-exists-p (setq last-filename filename))
|
||
(find-file-noselect filename))
|
||
last-linenum 0))
|
||
(if text-buffer
|
||
;; Go to that buffer and find the erring line.
|
||
(save-excursion
|
||
(set-buffer text-buffer)
|
||
(if (zerop last-linenum)
|
||
(progn
|
||
(goto-char 1)
|
||
(setq last-linenum 1)))
|
||
(forward-line (- linenum last-linenum))
|
||
(setq last-linenum linenum)
|
||
(setq text-marker (point-marker))
|
||
(setq compilation-error-list
|
||
(cons (list error-marker text-marker)
|
||
compilation-error-list)))))
|
||
(forward-line 1)))
|
||
(setq compilation-parsing-end (point-max)))
|
||
(message "Parsing error messages...done")
|
||
(setq compilation-error-list (nreverse compilation-error-list)))
|
||
|
||
;;; Invoking TeX in an inferior shell.
|
||
|
||
;;; Why use a shell instead of running TeX directly? Because if TeX
|
||
;;; gets stuck, the user can switch to the shell window and type at it.
|
||
|
||
;;; The utility functions:
|
||
|
||
(defun tex-start-shell ()
|
||
(save-excursion
|
||
(set-buffer
|
||
(make-comint
|
||
"tex-shell"
|
||
(or tex-shell-file-name (getenv "ESHELL") (getenv "SHELL") "/bin/sh")
|
||
nil))
|
||
(let ((proc (get-process "tex-shell")))
|
||
(set-process-sentinel proc 'tex-shell-sentinel)
|
||
(process-kill-without-query proc)
|
||
(setq tex-shell-map (copy-keymap comint-mode-map))
|
||
(tex-define-common-keys tex-shell-map)
|
||
(use-local-map tex-shell-map)
|
||
(run-hooks 'tex-shell-hook)
|
||
(while (zerop (buffer-size))
|
||
(sleep-for 1)))))
|
||
|
||
(defun tex-shell-sentinel (proc msg)
|
||
(cond ((null (buffer-name (process-buffer proc)))
|
||
;; buffer killed
|
||
(set-process-buffer proc nil)
|
||
(tex-delete-last-temp-files))
|
||
((memq (process-status proc) '(signal exit))
|
||
(tex-delete-last-temp-files))))
|
||
|
||
(defun tex-set-buffer-directory (buffer directory)
|
||
"Set BUFFER's default directory to be DIRECTORY."
|
||
(setq directory (file-name-as-directory (expand-file-name directory)))
|
||
(if (not (file-directory-p directory))
|
||
(error "%s is not a directory" directory)
|
||
(save-excursion
|
||
(set-buffer buffer)
|
||
(setq default-directory directory))))
|
||
|
||
(defvar tex-send-command-modified-tick 0)
|
||
(make-variable-buffer-local 'tex-send-command-modified-tick)
|
||
|
||
(defun tex-send-command (command &optional file background)
|
||
"Send COMMAND to TeX shell process, substituting optional FILE for *.
|
||
Do this in background if optional BACKGROUND is t. If COMMAND has no *,
|
||
FILE will be appended, preceded by a blank, to COMMAND. If FILE is nil, no
|
||
substitution will be made in COMMAND. COMMAND can be any expression that
|
||
evaluates to a command string."
|
||
(save-excursion
|
||
(let* ((cmd (eval command))
|
||
(proc (get-process "tex-shell"))
|
||
(star (string-match "\\*" cmd))
|
||
(string
|
||
(concat
|
||
(if file
|
||
(if star (concat (substring cmd 0 star)
|
||
file (substring cmd (1+ star)))
|
||
(concat cmd " " file))
|
||
cmd)
|
||
(if background "&" ""))))
|
||
;; If text is unchanged since previous tex-send-command,
|
||
;; we haven't got any output. So wait for output now.
|
||
(if (= (buffer-modified-tick) tex-send-command-modified-tick)
|
||
(accept-process-output proc))
|
||
(set-buffer (process-buffer proc))
|
||
(goto-char (process-mark proc))
|
||
(insert string)
|
||
(comint-send-input)
|
||
(setq tex-send-command-modified-tick (buffer-modified-tick)))))
|
||
|
||
(defun tex-delete-last-temp-files ()
|
||
"Delete any junk files from last temp file."
|
||
(if tex-last-temp-file
|
||
(let* ((dir (file-name-directory tex-last-temp-file))
|
||
(list (file-name-all-completions
|
||
(file-name-nondirectory tex-last-temp-file) dir)))
|
||
(while list
|
||
(delete-file (concat dir (car list)))
|
||
(setq list (cdr list))))))
|
||
|
||
(add-hook 'kill-emacs-hook 'tex-delete-last-temp-files)
|
||
|
||
;;; The commands:
|
||
|
||
(defun tex-region (beg end)
|
||
"Run TeX on the current region, via a temporary file.
|
||
The file's name comes from the variable `tex-zap-file' and the
|
||
variable `tex-directory' says where to put it.
|
||
|
||
If the buffer has a header, the header is given to TeX before the
|
||
region itself. The buffer's header is all lines between the strings
|
||
defined by `tex-start-of-header' and `tex-end-of-header' inclusive.
|
||
The header must start in the first 100 lines of the buffer.
|
||
|
||
The value of `tex-trailer' is given to TeX as input after the region.
|
||
|
||
The value of `tex-command' specifies the command to use to run TeX."
|
||
(interactive "r")
|
||
(if (tex-shell-running)
|
||
(tex-kill-job)
|
||
(tex-start-shell))
|
||
(or tex-zap-file
|
||
(setq tex-zap-file (tex-generate-zap-file-name)))
|
||
(let* ((temp-buffer (get-buffer-create " TeX-Output-Buffer"))
|
||
; Temp file will be written and TeX will be run in zap-directory.
|
||
; If the TEXINPUTS file has relative directories or if the region has
|
||
; \input of files, this must be the same directory as the file for
|
||
; TeX to access the correct inputs. That's why it's safest if
|
||
; tex-directory is ".".
|
||
(zap-directory
|
||
(file-name-as-directory (expand-file-name tex-directory)))
|
||
(tex-out-file (concat zap-directory tex-zap-file)))
|
||
(tex-delete-last-temp-files)
|
||
;; Write the new temp file.
|
||
(save-excursion
|
||
(save-restriction
|
||
(widen)
|
||
(goto-char (point-min))
|
||
(forward-line 100)
|
||
(let ((search-end (point))
|
||
(hbeg (point-min)) (hend (point-min))
|
||
(default-directory zap-directory))
|
||
(goto-char (point-min))
|
||
;; Initialize the temp file with either the header or nothing
|
||
(if (search-forward tex-start-of-header search-end t)
|
||
(progn
|
||
(beginning-of-line)
|
||
(setq hbeg (point)) ;mark beginning of header
|
||
(if (search-forward tex-end-of-header nil t)
|
||
(progn (forward-line 1)
|
||
(setq hend (point))) ;mark end of header
|
||
(setq hbeg (point-min))))) ;no header
|
||
(write-region (min hbeg beg) hend
|
||
(concat tex-out-file ".tex") nil nil)
|
||
(write-region (max beg hend) end (concat tex-out-file ".tex") t nil))
|
||
(let ((local-tex-trailer tex-trailer))
|
||
(set-buffer temp-buffer)
|
||
(erase-buffer)
|
||
;; make sure trailer isn't hidden by a comment
|
||
(insert-string "\n")
|
||
(if local-tex-trailer (insert-string local-tex-trailer))
|
||
(tex-set-buffer-directory temp-buffer zap-directory)
|
||
(write-region (point-min) (point-max)
|
||
(concat tex-out-file ".tex") t nil))))
|
||
;; Record the file name to be deleted afterward.
|
||
(setq tex-last-temp-file tex-out-file)
|
||
(tex-send-command tex-shell-cd-command zap-directory)
|
||
(tex-send-command tex-command tex-out-file)
|
||
(setq tex-print-file tex-out-file)
|
||
(setq tex-last-buffer-texed (current-buffer))))
|
||
|
||
(defun tex-buffer ()
|
||
"Run TeX on current buffer. See \\[tex-region] for more information.
|
||
Does not save the buffer, so it's useful for trying experimental versions.
|
||
See \\[tex-file] for an alternative."
|
||
(interactive)
|
||
(tex-region (point-min) (point-max)))
|
||
|
||
(defun tex-file ()
|
||
"Prompt to save all buffers and run TeX (or LaTeX) on current buffer's file.
|
||
This function is more useful than \\[tex-buffer] when you need the
|
||
`.aux' file of LaTeX to have the correct name."
|
||
(interactive)
|
||
(let ((tex-out-file
|
||
(if (buffer-file-name)
|
||
(file-name-nondirectory (buffer-file-name))
|
||
(error "Buffer does not seem to be associated with any file")))
|
||
(file-dir (file-name-directory (buffer-file-name))))
|
||
(if tex-offer-save
|
||
(save-some-buffers))
|
||
(if (tex-shell-running)
|
||
(tex-kill-job)
|
||
(tex-start-shell))
|
||
(tex-send-command tex-shell-cd-command file-dir)
|
||
(tex-send-command tex-command tex-out-file))
|
||
(setq tex-last-buffer-texed (current-buffer))
|
||
(setq tex-print-file (buffer-file-name)))
|
||
|
||
(defun tex-generate-zap-file-name ()
|
||
"Generate a unique name suitable for use as a file name."
|
||
;; Include the shell process number and host name
|
||
;; in case there are multiple shells (for same or different user).
|
||
(format "#tz%d%s"
|
||
(process-id (get-buffer-process "*tex-shell*"))
|
||
(tex-strip-dots (system-name))))
|
||
|
||
(defun tex-strip-dots (s)
|
||
(setq s (copy-sequence s))
|
||
(while (string-match "\\." s)
|
||
(aset s (match-beginning 0) ?-))
|
||
s)
|
||
|
||
;; This will perhaps be useful for modifying TEXINPUTS.
|
||
;; Expand each file name, separated by colons, in the string S.
|
||
(defun tex-expand-files (s)
|
||
(let (elts (start 0))
|
||
(while (string-match ":" s start)
|
||
(setq elts (cons (substring s start (match-beginning 0)) elts))
|
||
(setq start (match-end 0)))
|
||
(or (= start 0)
|
||
(setq elts (cons (substring s start) elts)))
|
||
(mapconcat 'expand-file-name (nreverse elts) ":")))
|
||
|
||
(defun tex-shell-running ()
|
||
(and (get-process "tex-shell")
|
||
(eq (process-status (get-process "tex-shell")) 'run)))
|
||
|
||
(defun tex-kill-job ()
|
||
"Kill the currently running TeX job."
|
||
(interactive)
|
||
(quit-process (get-process "tex-shell") t))
|
||
|
||
(defun tex-recenter-output-buffer (linenum)
|
||
"Redisplay buffer of TeX job output so that most recent output can be seen.
|
||
The last line of the buffer is displayed on
|
||
line LINE of the window, or centered if LINE is nil."
|
||
(interactive "P")
|
||
(let ((tex-shell (get-buffer "*tex-shell*"))
|
||
(old-buffer (current-buffer)))
|
||
(if (null tex-shell)
|
||
(message "No TeX output buffer")
|
||
(pop-to-buffer tex-shell)
|
||
(bury-buffer tex-shell)
|
||
(goto-char (point-max))
|
||
(recenter (if linenum
|
||
(prefix-numeric-value linenum)
|
||
(/ (window-height) 2)))
|
||
(pop-to-buffer old-buffer))))
|
||
|
||
(defun tex-print (&optional alt)
|
||
"Print the .dvi file made by \\[tex-region], \\[tex-buffer] or \\[tex-file].
|
||
Runs the shell command defined by `tex-dvi-print-command'. If prefix argument
|
||
is provided, use the alternative command, `tex-alt-dvi-print-command'."
|
||
(interactive "P")
|
||
(let ((print-file-name-dvi (tex-append tex-print-file ".dvi"))
|
||
test-name)
|
||
(if (and (not (equal (current-buffer) tex-last-buffer-texed))
|
||
(file-newer-than-file-p
|
||
(setq test-name (tex-append (buffer-file-name) ".dvi"))
|
||
print-file-name-dvi))
|
||
(setq print-file-name-dvi test-name))
|
||
(if (not (file-exists-p print-file-name-dvi))
|
||
(error "No appropriate `.dvi' file could be found")
|
||
(tex-send-command
|
||
(if alt tex-alt-dvi-print-command tex-dvi-print-command)
|
||
print-file-name-dvi t))))
|
||
|
||
(defun tex-alt-print ()
|
||
"Print the .dvi file made by \\[tex-region], \\[tex-buffer] or \\[tex-file].
|
||
Runs the shell command defined by tex-alt-dvi-print-command."
|
||
(interactive)
|
||
(tex-print t))
|
||
|
||
(defun tex-view ()
|
||
"Preview the last `.dvi' file made by running TeX under Emacs.
|
||
This means, made using \\[tex-region], \\[tex-buffer] or \\[tex-file].
|
||
The variable `tex-dvi-view-command' specifies the shell command for preview."
|
||
(interactive)
|
||
(let ((tex-dvi-print-command tex-dvi-view-command))
|
||
(tex-print)))
|
||
|
||
(defun tex-append (file-name suffix)
|
||
"Append to FILENAME the suffix SUFFIX, using same algorithm TeX uses.
|
||
Pascal-based TeX scans for the first period, C TeX uses the last.
|
||
No period is retained immediately before SUFFIX,
|
||
so normally SUFFIX starts with one."
|
||
(if (stringp file-name)
|
||
(let ((file (file-name-nondirectory file-name))
|
||
trial-name)
|
||
;; try spliting on first period
|
||
(setq trial-name
|
||
(concat (file-name-directory file-name)
|
||
(substring file 0
|
||
(string-match "\\." file))
|
||
suffix))
|
||
(if (or (file-exists-p trial-name)
|
||
(file-exists-p (concat trial-name ".aux"))) ;for BibTeX files
|
||
trial-name
|
||
;; not found, so split on last period
|
||
(concat (file-name-directory file-name)
|
||
(substring file 0
|
||
(string-match "\\.[^.]*$" file))
|
||
suffix)))
|
||
" "))
|
||
|
||
(defun tex-show-print-queue ()
|
||
"Show the print queue that \\[tex-print] put your job on.
|
||
Runs the shell command defined by `tex-show-queue-command'."
|
||
(interactive)
|
||
(if (tex-shell-running)
|
||
(tex-kill-job)
|
||
(tex-start-shell))
|
||
(tex-send-command tex-show-queue-command))
|
||
|
||
(defun tex-bibtex-file ()
|
||
"Run BibTeX on the current buffer's file."
|
||
(interactive)
|
||
(if (tex-shell-running)
|
||
(tex-kill-job)
|
||
(tex-start-shell))
|
||
(let ((tex-out-file
|
||
(tex-append (file-name-nondirectory (buffer-file-name)) ""))
|
||
(file-dir (file-name-directory (buffer-file-name))))
|
||
(tex-send-command tex-shell-cd-command file-dir)
|
||
(tex-send-command tex-bibtex-command tex-out-file)))
|
||
|
||
(run-hooks 'tex-mode-load-hook)
|
||
|
||
(provide 'tex-mode)
|
||
|
||
;;; tex-mode.el ends here
|
||
|