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283 lines
8.7 KiB
EmacsLisp
283 lines
8.7 KiB
EmacsLisp
;;; rng-maint.el --- commands for RELAX NG maintainers
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;; Copyright (C) 2003, 2007, 2008, 2009 Free Software Foundation, Inc.
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;; Author: James Clark
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;; Keywords: XML, RelaxNG
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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 <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(require 'xmltok)
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(require 'nxml-mode)
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(require 'texnfo-upd)
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(defvar rng-dir (file-name-directory load-file-name))
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;;; Conversion from XML to texinfo.
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;; This is all a hack and is just enough to make the conversion work.
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;; It's not intended for public use.
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(defvar rng-manual-base "nxml-mode")
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(defvar rng-manual-xml (concat rng-manual-base ".xml"))
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(defvar rng-manual-texi (concat rng-manual-base ".texi"))
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(defvar rng-manual-info (concat rng-manual-base ".info"))
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(defun rng-format-manual ()
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"Create manual.texi from manual.xml."
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(interactive)
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(let ((xml-buf (find-file-noselect (expand-file-name rng-manual-xml
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rng-dir)))
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(texi-buf (find-file-noselect (expand-file-name rng-manual-texi
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rng-dir))))
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(save-excursion
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(set-buffer texi-buf)
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(erase-buffer)
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(let ((standard-output texi-buf))
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(princ (format "\\input texinfo @c -*- texinfo -*-\n\
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@c %%**start of header\n\
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@setfilename %s\n\
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@settitle \n\
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@c %%**end of header\n" rng-manual-info))
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(set-buffer xml-buf)
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(goto-char (point-min))
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(xmltok-save
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(xmltok-forward-prolog)
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(rng-process-tokens))
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(princ "\n@bye\n"))
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(set-buffer texi-buf)
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(rng-manual-fixup)
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(texinfo-insert-node-lines (point-min) (point-max) t)
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(texinfo-all-menus-update)
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(save-buffer))))
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(defun rng-manual-fixup ()
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(goto-char (point-min))
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(search-forward "@top ")
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(let ((pos (point)))
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(search-forward "\n")
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(let ((title (buffer-substring-no-properties pos (1- (point)))))
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(goto-char (point-min))
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(search-forward "@settitle ")
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(insert title)
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(search-forward "@node")
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(goto-char (match-beginning 0))
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(insert "@dircategory Emacs\n"
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"@direntry\n* "
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title
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": ("
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rng-manual-info
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").\n@end direntry\n\n"))))
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(defvar rng-manual-inline-elements '(kbd key samp code var emph uref point))
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(defun rng-process-tokens ()
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(let ((section-depth 0)
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;; stack of per-element space treatment
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;; t means keep, nil means discard, fill means no blank lines
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(keep-space-stack (list nil))
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(ignore-following-newline nil)
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(want-blank-line nil)
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name startp endp data keep-space-for-children)
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(while (xmltok-forward)
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(cond ((memq xmltok-type '(start-tag empty-element end-tag))
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(setq startp (memq xmltok-type '(start-tag empty-element)))
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(setq endp (memq xmltok-type '(end-tag empty-element)))
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(setq name (intern (if startp
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(xmltok-start-tag-qname)
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(xmltok-end-tag-qname))))
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(setq keep-space-for-children nil)
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(setq ignore-following-newline nil)
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(cond ((memq name rng-manual-inline-elements)
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(when startp
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(when want-blank-line
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(rng-manual-output-force-blank-line)
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(when (eq want-blank-line 'noindent)
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(princ "@noindent\n"))
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(setq want-blank-line nil))
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(setq keep-space-for-children t)
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(princ (format "@%s{" name)))
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(when endp (princ "}")))
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((eq name 'ulist)
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(when startp
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(rng-manual-output-force-blank-line)
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(setq want-blank-line nil)
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(princ "@itemize @bullet\n"))
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(when endp
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(rng-manual-output-force-new-line)
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(setq want-blank-line 'noindent)
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(princ "@end itemize\n")))
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((eq name 'item)
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(rng-manual-output-force-new-line)
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(setq want-blank-line endp)
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(when startp (princ "@item\n")))
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((memq name '(example display))
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(when startp
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(setq ignore-following-newline t)
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(rng-manual-output-force-blank-line)
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(setq want-blank-line nil)
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(setq keep-space-for-children t)
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(princ (format "@%s\n" name)))
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(when endp
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(rng-manual-output-force-new-line)
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(setq want-blank-line 'noindent)
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(princ (format "@end %s\n" name))))
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((eq name 'para)
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(rng-manual-output-force-new-line)
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(when startp
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(when want-blank-line
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(setq want-blank-line t))
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(setq keep-space-for-children 'fill))
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(when endp (setq want-blank-line t)))
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((eq name 'section)
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(when startp
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(rng-manual-output-force-blank-line)
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(when (eq section-depth 0)
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(princ "@node Top\n"))
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(princ "@")
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(princ (nth section-depth '(top
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chapter
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section
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subsection
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subsubsection)))
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(princ " ")
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(setq want-blank-line nil)
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(setq section-depth (1+ section-depth)))
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(when endp
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(rng-manual-output-force-new-line)
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(setq want-blank-line nil)
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(setq section-depth (1- section-depth))))
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((eq name 'title)
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(when startp
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(setq keep-space-for-children 'fill))
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(when endp
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(setq want-blank-line t)
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(princ "\n"))))
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(when startp
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(setq keep-space-stack (cons keep-space-for-children
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keep-space-stack)))
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(when endp
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(setq keep-space-stack (cdr keep-space-stack))))
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((memq xmltok-type '(data
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space
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char-ref
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entity-ref
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cdata-section))
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(setq data nil)
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(cond ((memq xmltok-type '(data space))
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(setq data (buffer-substring-no-properties xmltok-start
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(point))))
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((and (memq xmltok-type '(char-ref entity-ref))
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xmltok-replacement)
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(setq data xmltok-replacement))
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((eq xmltok-type 'cdata-section)
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(setq data
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(buffer-substring-no-properties (+ xmltok-start 9)
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(- (point) 3)))))
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(when (and data (car keep-space-stack))
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(setq data (replace-regexp-in-string "[@{}]"
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"@\\&"
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data
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t))
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(when ignore-following-newline
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(setq data (replace-regexp-in-string "\\`\n" "" data t)))
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(setq ignore-following-newline nil)
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;; (when (eq (car keep-space-stack) 'fill)
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;; (setq data (replace-regexp-in-string "\n" " " data t)))
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(when (eq want-blank-line 'noindent)
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(setq data (replace-regexp-in-string "\\`\n*" "" data t)))
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(when (> (length data) 0)
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(when want-blank-line
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(rng-manual-output-force-blank-line)
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(when (eq want-blank-line 'noindent)
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(princ "@noindent\n"))
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(setq want-blank-line nil))
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(princ data))))
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))))
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(defun rng-manual-output-force-new-line ()
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(save-excursion
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(set-buffer standard-output)
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(unless (eq (char-before) ?\n)
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(insert ?\n))))
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(defun rng-manual-output-force-blank-line ()
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(save-excursion
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(set-buffer standard-output)
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(if (eq (char-before) ?\n)
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(unless (eq (char-before (1- (point))) ?\n)
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(insert ?\n))
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(insert "\n\n"))))
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;;; Timing
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(defun rng-time-to-float (time)
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(+ (* (nth 0 time) 65536.0)
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(nth 1 time)
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(/ (nth 2 time) 1000000.0)))
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(defun rng-time-function (function &rest args)
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(let* ((start (current-time))
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(val (apply function args))
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(end (current-time)))
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(message "%s ran in %g seconds"
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function
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(- (rng-time-to-float end)
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(rng-time-to-float start)))
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val))
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(defun rng-time-tokenize-buffer ()
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(interactive)
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(rng-time-function 'rng-tokenize-buffer))
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(defun rng-tokenize-buffer ()
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(save-excursion
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(goto-char (point-min))
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(xmltok-save
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(xmltok-forward-prolog)
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(while (xmltok-forward)))))
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(defun rng-time-validate-buffer ()
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(interactive)
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(rng-time-function 'rng-validate-buffer))
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(defvar rng-error-count)
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(defvar rng-validate-up-to-date-end)
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(declare-function rng-clear-cached-state "rng-valid" (start end))
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(declare-function rng-clear-overlays "rng-valid" (beg end))
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(declare-function rng-clear-conditional-region "rng-valid" ())
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(declare-function rng-do-some-validation "rng-valid"
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(&optional continue-p-function))
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(defun rng-validate-buffer ()
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(save-restriction
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(widen)
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(nxml-with-unmodifying-text-property-changes
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(rng-clear-cached-state (point-min) (point-max)))
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;; 1+ to clear empty overlays at (point-max)
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(rng-clear-overlays (point-min) (1+ (point-max))))
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(setq rng-validate-up-to-date-end 1)
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(rng-clear-conditional-region)
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(setq rng-error-count 0)
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(while (rng-do-some-validation
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(lambda () t))))
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;; arch-tag: 4b8c6143-daac-4888-9c61-9bea6f935f17
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;;; rng-maint.el ends here
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