From 1a911aa2a44cbc5ee8f876887be2966e7b9b2812 Mon Sep 17 00:00:00 2001
From: kaoru <kaoru>
Date: Sat, 10 Nov 2007 00:02:09 +0000
Subject: [PATCH] Import from gnus-doc-ja: 2007-10-17  Katsumi Yamaoka 
 <yamaoka@jpl.org>

	* ptexinfmt.el (texinfo-copying-text, texinfo-copying)
	(texinfo-insertcopying, texinfo-format-scan): Move from infohack.el.
---
 utils/ChangeLog    |    5 +++++
 utils/ptexinfmt.el |   34 ++++++++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+)

diff --git a/utils/ChangeLog b/utils/ChangeLog
index 303c47a..4412fc5 100644
--- a/utils/ChangeLog
+++ b/utils/ChangeLog
@@ -1,3 +1,8 @@
+2007-11-10  Katsumi Yamaoka  <yamaoka@jpl.org>
+
+	* ptexinfmt.el (texinfo-copying-text, texinfo-copying)
+	(texinfo-insertcopying, texinfo-format-scan): Move from infohack.el.
+
 2007-11-09  Katsumi Yamaoka  <yamaoka@jpl.org>
 
 	* ptexinfmt.el (ptexinfmt-broken-facility, ptexinfmt-defun-if-broken)
diff --git a/utils/ptexinfmt.el b/utils/ptexinfmt.el
index cdf03fa..24c834e 100644
--- a/utils/ptexinfmt.el
+++ b/utils/ptexinfmt.el
@@ -960,6 +960,40 @@ This command is executed when texinfmt sees @item inside @multitable."
 	(texinfo-sort-region opoint (point))
       (shell-command-on-region opoint (point) "sort -fd" 1))))
 
+
+;; @copying ... @end copying
+;; that Emacs 21.4 and lesser and XEmacs don't support.
+(if (fboundp 'texinfo-copying)
+    nil
+  (defvar texinfo-copying-text ""
+    "Text of the copyright notice and copying permissions.")
+
+  (defun texinfo-copying ()
+    "Copy the copyright notice and copying permissions from the Texinfo file,
+as indicated by the @copying ... @end copying command;
+insert the text with the @insertcopying command."
+    (let ((beg (progn (beginning-of-line) (point)))
+	  (end  (progn (re-search-forward "^@end copying[ \t]*\n") (point))))
+      (setq texinfo-copying-text
+	    (buffer-substring-no-properties
+	     (save-excursion (goto-char beg) (forward-line 1) (point))
+	     (save-excursion (goto-char end) (forward-line -1) (point))))
+      (delete-region beg end)))
+
+  (defun texinfo-insertcopying ()
+    "Insert the copyright notice and copying permissions from the Texinfo file,
+which are indicated by the @copying ... @end copying command."
+    (insert (concat "\n" texinfo-copying-text)))
+
+  (defadvice texinfo-format-scan (before expand-@copying-section activate)
+    "Extract @copying and replace @insertcopying with it."
+    (goto-char (point-min))
+    (when (search-forward "@copying" nil t)
+      (texinfo-copying))
+    (while (search-forward "@insertcopying" nil t)
+      (delete-region (match-beginning 0) (match-end 0))
+      (texinfo-insertcopying))))
+
 (provide 'ptexinfmt)
 
 ;;; ptexinfmt.el ends here
-- 
1.7.10.4