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Date:      Fri, 10 Apr 2015 13:28:01 +0000 (UTC)
From:      Baptiste Daroussin <bapt@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-vendor@freebsd.org
Subject:   svn commit: r281370 - in vendor/nvi/2.1.3: . catalog cl common docs docs/USD.doc docs/internals docs/interp docs/man docs/tutorial ex regex vi
Message-ID:  <201504101328.t3ADS1Yr098485@svn.freebsd.org>

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Author: bapt
Date: Fri Apr 10 13:28:01 2015
New Revision: 281370
URL: https://svnweb.freebsd.org/changeset/base/281370

Log:
  Tag nvi2 import 2.1.3

Added:
  vendor/nvi/2.1.3/
     - copied from r281364, vendor/nvi/dist/
  vendor/nvi/2.1.3/docs/man/
     - copied from r281368, vendor/nvi/dist/docs/man/
Replaced:
  vendor/nvi/2.1.3/README
     - copied unchanged from r281368, vendor/nvi/dist/README
  vendor/nvi/2.1.3/catalog/dump.c
     - copied unchanged from r281368, vendor/nvi/dist/catalog/dump.c
  vendor/nvi/2.1.3/cl/cl.h
     - copied unchanged from r281368, vendor/nvi/dist/cl/cl.h
  vendor/nvi/2.1.3/cl/cl_funcs.c
     - copied unchanged from r281368, vendor/nvi/dist/cl/cl_funcs.c
  vendor/nvi/2.1.3/cl/cl_main.c
     - copied unchanged from r281368, vendor/nvi/dist/cl/cl_main.c
  vendor/nvi/2.1.3/cl/cl_read.c
     - copied unchanged from r281368, vendor/nvi/dist/cl/cl_read.c
  vendor/nvi/2.1.3/cl/cl_screen.c
     - copied unchanged from r281368, vendor/nvi/dist/cl/cl_screen.c
  vendor/nvi/2.1.3/cl/cl_term.c
     - copied unchanged from r281368, vendor/nvi/dist/cl/cl_term.c
  vendor/nvi/2.1.3/cl/extern.h
     - copied unchanged from r281368, vendor/nvi/dist/cl/extern.h
  vendor/nvi/2.1.3/common/common.h
     - copied unchanged from r281368, vendor/nvi/dist/common/common.h
  vendor/nvi/2.1.3/common/conv.c
     - copied unchanged from r281368, vendor/nvi/dist/common/conv.c
  vendor/nvi/2.1.3/common/cut.c
     - copied unchanged from r281368, vendor/nvi/dist/common/cut.c
  vendor/nvi/2.1.3/common/delete.c
     - copied unchanged from r281368, vendor/nvi/dist/common/delete.c
  vendor/nvi/2.1.3/common/encoding.c
     - copied unchanged from r281368, vendor/nvi/dist/common/encoding.c
  vendor/nvi/2.1.3/common/exf.c
     - copied unchanged from r281368, vendor/nvi/dist/common/exf.c
  vendor/nvi/2.1.3/common/extern.h
     - copied unchanged from r281368, vendor/nvi/dist/common/extern.h
  vendor/nvi/2.1.3/common/gs.h
     - copied unchanged from r281368, vendor/nvi/dist/common/gs.h
  vendor/nvi/2.1.3/common/key.c
     - copied unchanged from r281368, vendor/nvi/dist/common/key.c
  vendor/nvi/2.1.3/common/line.c
     - copied unchanged from r281368, vendor/nvi/dist/common/line.c
  vendor/nvi/2.1.3/common/log.c
     - copied unchanged from r281368, vendor/nvi/dist/common/log.c
  vendor/nvi/2.1.3/common/main.c
     - copied unchanged from r281368, vendor/nvi/dist/common/main.c
  vendor/nvi/2.1.3/common/mark.c
     - copied unchanged from r281368, vendor/nvi/dist/common/mark.c
  vendor/nvi/2.1.3/common/msg.c
     - copied unchanged from r281368, vendor/nvi/dist/common/msg.c
  vendor/nvi/2.1.3/common/options.c
     - copied unchanged from r281368, vendor/nvi/dist/common/options.c
  vendor/nvi/2.1.3/common/options.h
     - copied unchanged from r281368, vendor/nvi/dist/common/options.h
  vendor/nvi/2.1.3/common/options_f.c
     - copied unchanged from r281368, vendor/nvi/dist/common/options_f.c
  vendor/nvi/2.1.3/common/put.c
     - copied unchanged from r281368, vendor/nvi/dist/common/put.c
  vendor/nvi/2.1.3/common/recover.c
     - copied unchanged from r281368, vendor/nvi/dist/common/recover.c
  vendor/nvi/2.1.3/common/screen.c
     - copied unchanged from r281368, vendor/nvi/dist/common/screen.c
  vendor/nvi/2.1.3/common/search.c
     - copied unchanged from r281368, vendor/nvi/dist/common/search.c
  vendor/nvi/2.1.3/common/seq.c
     - copied unchanged from r281368, vendor/nvi/dist/common/seq.c
  vendor/nvi/2.1.3/common/util.c
     - copied unchanged from r281368, vendor/nvi/dist/common/util.c
  vendor/nvi/2.1.3/ex/ex.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex.c
  vendor/nvi/2.1.3/ex/ex.h
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex.h
  vendor/nvi/2.1.3/ex/ex_abbrev.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_abbrev.c
  vendor/nvi/2.1.3/ex/ex_append.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_append.c
  vendor/nvi/2.1.3/ex/ex_args.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_args.c
  vendor/nvi/2.1.3/ex/ex_argv.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_argv.c
  vendor/nvi/2.1.3/ex/ex_at.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_at.c
  vendor/nvi/2.1.3/ex/ex_bang.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_bang.c
  vendor/nvi/2.1.3/ex/ex_cd.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_cd.c
  vendor/nvi/2.1.3/ex/ex_cscope.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_cscope.c
  vendor/nvi/2.1.3/ex/ex_delete.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_delete.c
  vendor/nvi/2.1.3/ex/ex_display.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_display.c
  vendor/nvi/2.1.3/ex/ex_edit.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_edit.c
  vendor/nvi/2.1.3/ex/ex_equal.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_equal.c
  vendor/nvi/2.1.3/ex/ex_file.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_file.c
  vendor/nvi/2.1.3/ex/ex_filter.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_filter.c
  vendor/nvi/2.1.3/ex/ex_global.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_global.c
  vendor/nvi/2.1.3/ex/ex_init.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_init.c
  vendor/nvi/2.1.3/ex/ex_join.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_join.c
  vendor/nvi/2.1.3/ex/ex_map.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_map.c
  vendor/nvi/2.1.3/ex/ex_mark.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_mark.c
  vendor/nvi/2.1.3/ex/ex_mkexrc.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_mkexrc.c
  vendor/nvi/2.1.3/ex/ex_move.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_move.c
  vendor/nvi/2.1.3/ex/ex_open.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_open.c
  vendor/nvi/2.1.3/ex/ex_preserve.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_preserve.c
  vendor/nvi/2.1.3/ex/ex_print.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_print.c
  vendor/nvi/2.1.3/ex/ex_put.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_put.c
  vendor/nvi/2.1.3/ex/ex_quit.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_quit.c
  vendor/nvi/2.1.3/ex/ex_read.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_read.c
  vendor/nvi/2.1.3/ex/ex_screen.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_screen.c
  vendor/nvi/2.1.3/ex/ex_script.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_script.c
  vendor/nvi/2.1.3/ex/ex_set.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_set.c
  vendor/nvi/2.1.3/ex/ex_shell.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_shell.c
  vendor/nvi/2.1.3/ex/ex_shift.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_shift.c
  vendor/nvi/2.1.3/ex/ex_source.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_source.c
  vendor/nvi/2.1.3/ex/ex_stop.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_stop.c
  vendor/nvi/2.1.3/ex/ex_subst.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_subst.c
  vendor/nvi/2.1.3/ex/ex_tag.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_tag.c
  vendor/nvi/2.1.3/ex/ex_txt.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_txt.c
  vendor/nvi/2.1.3/ex/ex_undo.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_undo.c
  vendor/nvi/2.1.3/ex/ex_usage.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_usage.c
  vendor/nvi/2.1.3/ex/ex_util.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_util.c
  vendor/nvi/2.1.3/ex/ex_version.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_version.c
  vendor/nvi/2.1.3/ex/ex_visual.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_visual.c
  vendor/nvi/2.1.3/ex/ex_write.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_write.c
  vendor/nvi/2.1.3/ex/ex_yank.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_yank.c
  vendor/nvi/2.1.3/ex/ex_z.c
     - copied unchanged from r281368, vendor/nvi/dist/ex/ex_z.c
  vendor/nvi/2.1.3/ex/extern.h
     - copied unchanged from r281368, vendor/nvi/dist/ex/extern.h
  vendor/nvi/2.1.3/ex/version.h
     - copied unchanged from r281368, vendor/nvi/dist/ex/version.h
  vendor/nvi/2.1.3/regex/COPYRIGHT
     - copied unchanged from r281368, vendor/nvi/dist/regex/COPYRIGHT
  vendor/nvi/2.1.3/regex/cclass.h
     - copied unchanged from r281368, vendor/nvi/dist/regex/cclass.h
  vendor/nvi/2.1.3/regex/cname.h
     - copied unchanged from r281368, vendor/nvi/dist/regex/cname.h
  vendor/nvi/2.1.3/regex/engine.c
     - copied unchanged from r281368, vendor/nvi/dist/regex/engine.c
  vendor/nvi/2.1.3/regex/re_format.7
     - copied unchanged from r281368, vendor/nvi/dist/regex/re_format.7
  vendor/nvi/2.1.3/regex/regcomp.c
     - copied unchanged from r281368, vendor/nvi/dist/regex/regcomp.c
  vendor/nvi/2.1.3/regex/regerror.c
     - copied unchanged from r281368, vendor/nvi/dist/regex/regerror.c
  vendor/nvi/2.1.3/regex/regex.3
     - copied unchanged from r281368, vendor/nvi/dist/regex/regex.3
  vendor/nvi/2.1.3/regex/regex.h
     - copied unchanged from r281368, vendor/nvi/dist/regex/regex.h
  vendor/nvi/2.1.3/regex/regex2.h
     - copied unchanged from r281368, vendor/nvi/dist/regex/regex2.h
  vendor/nvi/2.1.3/regex/regexec.c
     - copied unchanged from r281368, vendor/nvi/dist/regex/regexec.c
  vendor/nvi/2.1.3/regex/regfree.c
     - copied unchanged from r281368, vendor/nvi/dist/regex/regfree.c
  vendor/nvi/2.1.3/regex/utils.h
     - copied unchanged from r281368, vendor/nvi/dist/regex/utils.h
  vendor/nvi/2.1.3/vi/extern.h
     - copied unchanged from r281368, vendor/nvi/dist/vi/extern.h
  vendor/nvi/2.1.3/vi/getc.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/getc.c
  vendor/nvi/2.1.3/vi/v_at.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_at.c
  vendor/nvi/2.1.3/vi/v_ch.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_ch.c
  vendor/nvi/2.1.3/vi/v_delete.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_delete.c
  vendor/nvi/2.1.3/vi/v_ex.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_ex.c
  vendor/nvi/2.1.3/vi/v_increment.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_increment.c
  vendor/nvi/2.1.3/vi/v_init.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_init.c
  vendor/nvi/2.1.3/vi/v_itxt.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_itxt.c
  vendor/nvi/2.1.3/vi/v_left.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_left.c
  vendor/nvi/2.1.3/vi/v_mark.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_mark.c
  vendor/nvi/2.1.3/vi/v_match.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_match.c
  vendor/nvi/2.1.3/vi/v_paragraph.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_paragraph.c
  vendor/nvi/2.1.3/vi/v_put.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_put.c
  vendor/nvi/2.1.3/vi/v_redraw.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_redraw.c
  vendor/nvi/2.1.3/vi/v_replace.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_replace.c
  vendor/nvi/2.1.3/vi/v_right.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_right.c
  vendor/nvi/2.1.3/vi/v_screen.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_screen.c
  vendor/nvi/2.1.3/vi/v_scroll.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_scroll.c
  vendor/nvi/2.1.3/vi/v_search.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_search.c
  vendor/nvi/2.1.3/vi/v_section.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_section.c
  vendor/nvi/2.1.3/vi/v_sentence.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_sentence.c
  vendor/nvi/2.1.3/vi/v_status.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_status.c
  vendor/nvi/2.1.3/vi/v_txt.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_txt.c
  vendor/nvi/2.1.3/vi/v_ulcase.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_ulcase.c
  vendor/nvi/2.1.3/vi/v_undo.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_undo.c
  vendor/nvi/2.1.3/vi/v_util.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_util.c
  vendor/nvi/2.1.3/vi/v_word.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_word.c
  vendor/nvi/2.1.3/vi/v_xchar.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_xchar.c
  vendor/nvi/2.1.3/vi/v_yank.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_yank.c
  vendor/nvi/2.1.3/vi/v_z.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_z.c
  vendor/nvi/2.1.3/vi/v_zexit.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/v_zexit.c
  vendor/nvi/2.1.3/vi/vi.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/vi.c
  vendor/nvi/2.1.3/vi/vi.h
     - copied unchanged from r281368, vendor/nvi/dist/vi/vi.h
  vendor/nvi/2.1.3/vi/vs_line.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/vs_line.c
  vendor/nvi/2.1.3/vi/vs_msg.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/vs_msg.c
  vendor/nvi/2.1.3/vi/vs_refresh.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/vs_refresh.c
  vendor/nvi/2.1.3/vi/vs_relative.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/vs_relative.c
  vendor/nvi/2.1.3/vi/vs_smap.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/vs_smap.c
  vendor/nvi/2.1.3/vi/vs_split.c
     - copied unchanged from r281368, vendor/nvi/dist/vi/vs_split.c
Deleted:
  vendor/nvi/2.1.3/catalog/spell.ok
  vendor/nvi/2.1.3/docs/TODO
  vendor/nvi/2.1.3/docs/USD.doc/
  vendor/nvi/2.1.3/docs/changelog
  vendor/nvi/2.1.3/docs/ev
  vendor/nvi/2.1.3/docs/features
  vendor/nvi/2.1.3/docs/help
  vendor/nvi/2.1.3/docs/internals/
  vendor/nvi/2.1.3/docs/interp/
  vendor/nvi/2.1.3/docs/spell.ok
  vendor/nvi/2.1.3/docs/tutorial/

Copied: vendor/nvi/2.1.3/README (from r281368, vendor/nvi/dist/README)
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ vendor/nvi/2.1.3/README	Fri Apr 10 13:28:01 2015	(r281370, copy of r281368, vendor/nvi/dist/README)
@@ -0,0 +1,66 @@
+#	$Id: README,v 9.2 2015/04/08 17:18:56 zy Exp $
+
+This is version 2.1.3 (2015-04-08) of nex/nvi, a reimplementation of the ex/vi
+text editors originally distributed as part of the Fourth Berkeley
+Software Distribution (4BSD), by the University of California, Berkeley.
+
+The directory layout is as follows:
+
+    LICENSE ....... Copyright, use and redistribution information.
+    README ........ This file.
+    build ......... Build directory.
+    catalog ....... Message catalogs; see catalog/README.
+    cl ............ Vi interface to the curses(3) library.
+    common ........ Code shared by ex and vi.
+    docs .......... Ex/vi documentation, both current and historic.
+    ex ............ Ex source code.
+    regex ......... Modified regex library with wide character support.
+    vi ............ Vi source code.
+
+=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
+
+o Nvi was written by Keith Bostic, and the last version is 1.79.  After that,
+
+	Sven Verdoolaege added the iconv support and the DB3 locking.
+
+	Jun-ichiro itojun Hagino developed the file encoding detection
+	techniques in his nvi-m17n.
+
+The following acknowledgments were written by Keith Bostic:
+
+=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
+o This software is several years old and is the product of many folks' work.  
+
+	This software was originally derived from software contributed to
+	the University of California, Berkeley by Steve Kirkendall, the
+	author of the vi clone elvis.  Without his work, this work would
+	have been far more difficult.
+
+	IEEE POSIX 1003.2 style regular expression support is courtesy of
+	Henry Spencer, for which I am *very* grateful.
+
+	Elan Amir did the original 4BSD curses work that made it possible
+	to support a full-screen editor using curses.
+
+	George Neville-Neil added the Tcl interpreter, and the initial
+	interpreter design was his.
+
+	Sven Verdoolaege added the Perl interpreter.
+
+	Rob Mayoff provided the original Cscope support.
+
+o Many, many people suggested enhancements, and provided bug reports and
+  testing, far too many to individually thank.
+
+o From the original vi acknowledgements, by William Joy and Mark Horton:
+
+	Bruce Englar encouraged the early development of this display
+	editor.  Peter Kessler helped bring sanity to version 2's
+	command layout.  Bill Joy wrote versions 1 and 2.0 through 2.7,
+	and created the framework that users see in the present editor.
+	Mark Horton added macros and other features and made the editor
+	work on a large number of terminals and Unix systems.
+
+o And...
+	The financial support of UUNET Communications Services is gratefully
+	acknowledged.

Copied: vendor/nvi/2.1.3/catalog/dump.c (from r281368, vendor/nvi/dist/catalog/dump.c)
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ vendor/nvi/2.1.3/catalog/dump.c	Fri Apr 10 13:28:01 2015	(r281370, copy of r281368, vendor/nvi/dist/catalog/dump.c)
@@ -0,0 +1,101 @@
+/*-
+ * Copyright (c) 1992, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "$Id: dump.c,v 8.2 2011/07/14 00:05:25 zy Exp $";
+#endif /* not lint */
+
+#include <ctype.h>
+#include <stdio.h>
+
+static void
+parse(FILE *fp)
+{
+	int ch, s1, s2, s3;
+
+#define	TESTD(s) {							\
+	if ((s = getc(fp)) == EOF)					\
+		return;							\
+	if (!isdigit(s))						\
+		continue;						\
+}
+#define	TESTP {								\
+	if ((ch = getc(fp)) == EOF)					\
+		return;							\
+	if (ch != '|')							\
+		continue;						\
+}
+#define	MOVEC(t) {							\
+	do {								\
+		if ((ch = getc(fp)) == EOF)				\
+			return;						\
+	} while (ch != (t));						\
+}
+	for (;;) {
+		MOVEC('"');
+		TESTD(s1);
+		TESTD(s2);
+		TESTD(s3);
+		TESTP;
+		putchar('"');
+		putchar(s1);
+		putchar(s2);
+		putchar(s3);
+		putchar('|');
+		for (;;) {		/* dump to end quote. */
+			if ((ch = getc(fp)) == EOF)
+				return;
+			putchar(ch);
+			if (ch == '"')
+				break;
+			if (ch == '\\') {
+				if ((ch = getc(fp)) == EOF)
+					return;
+				putchar(ch);
+			}
+		}
+		putchar('\n');
+	}
+}
+
+int
+main(int argc, char *argv[])
+{
+	FILE *fp;
+
+	for (; *argv != NULL; ++argv) {
+		if ((fp = fopen(*argv, "r")) == NULL) {
+			perror(*argv);
+			return (1);
+		}
+		parse(fp);
+		(void)fclose(fp);
+	}
+	return (0);
+}

Copied: vendor/nvi/2.1.3/cl/cl.h (from r281368, vendor/nvi/dist/cl/cl.h)
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ vendor/nvi/2.1.3/cl/cl.h	Fri Apr 10 13:28:01 2015	(r281370, copy of r281368, vendor/nvi/dist/cl/cl.h)
@@ -0,0 +1,83 @@
+/*-
+ * Copyright (c) 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ * Copyright (c) 1993, 1994, 1995, 1996
+ *	Keith Bostic.  All rights reserved.
+ *
+ * See the LICENSE file for redistribution information.
+ *
+ *	$Id: cl.h,v 10.34 2011/08/15 20:07:32 zy Exp $
+ */
+
+#ifdef USE_WIDECHAR
+#define _XOPEN_SOURCE_EXTENDED
+#endif
+#ifdef HAVE_NCURSES_H
+#include <ncurses.h>
+#else
+#include <curses.h>
+#endif
+
+typedef struct _cl_private {
+	char	 ibuf[256];	/* Input keys. */
+
+	size_t	 skip;		/* Remaining keys. */
+
+	CONVWIN	 cw;		/* Conversion buffer. */
+
+	int	 eof_count;	/* EOF count. */
+
+	struct termios orig;	/* Original terminal values. */
+	struct termios ex_enter;/* Terminal values to enter ex. */
+	struct termios vi_enter;/* Terminal values to enter vi. */
+
+	char	*el;		/* Clear to EOL terminal string. */
+	char	*cup;		/* Cursor movement terminal string. */
+	char	*cuu1;		/* Cursor up terminal string. */
+	char	*rmso, *smso;	/* Inverse video terminal strings. */
+	char	*smcup, *rmcup;	/* Terminal start/stop strings. */
+
+	char	*oname;		/* Original screen window name. */
+
+	SCR	*focus;		/* Screen that has the "focus". */
+
+	int	 killersig;	/* Killer signal. */
+#define	INDX_HUP	0
+#define	INDX_INT	1
+#define	INDX_TERM	2
+#define	INDX_WINCH	3
+#define	INDX_MAX	4	/* Original signal information. */
+	struct sigaction oact[INDX_MAX];
+
+	enum {			/* Tty group write mode. */
+	    TGW_UNKNOWN=0, TGW_SET, TGW_UNSET } tgw;
+
+	enum {			/* Terminal initialization strings. */
+	    TE_SENT=0, TI_SENT } ti_te;
+
+#define	CL_IN_EX	0x0001	/* Currently running ex. */
+#define	CL_LAYOUT	0x0002	/* Screen layout changed. */
+#define	CL_RENAME	0x0004	/* X11 xterm icon/window renamed. */
+#define	CL_RENAME_OK	0x0008	/* User wants the windows renamed. */
+#define	CL_SCR_EX_INIT	0x0010	/* Ex screen initialized. */
+#define	CL_SCR_VI_INIT	0x0020	/* Vi screen initialized. */
+#define	CL_SIGHUP	0x0040	/* SIGHUP arrived. */
+#define	CL_SIGINT	0x0080	/* SIGINT arrived. */
+#define	CL_SIGTERM	0x0100	/* SIGTERM arrived. */
+#define	CL_SIGWINCH	0x0200	/* SIGWINCH arrived. */
+#define	CL_STDIN_TTY	0x0400	/* Talking to a terminal. */
+	u_int32_t flags;
+} CL_PRIVATE;
+
+#define	CLP(sp)		((CL_PRIVATE *)((sp)->gp->cl_private))
+#define	GCLP(gp)	((CL_PRIVATE *)gp->cl_private)
+#define	CLSP(sp)	((WINDOW *)((sp)->cl_private))
+
+/* Return possibilities from the keyboard read routine. */
+typedef enum { INP_OK=0, INP_EOF, INP_ERR, INP_INTR, INP_TIMEOUT } input_t;
+
+/* The screen position relative to a specific window. */
+#define	RCNO(sp, cno)	(cno)
+#define	RLNO(sp, lno)	(lno)
+
+#include "extern.h"

Copied: vendor/nvi/2.1.3/cl/cl_funcs.c (from r281368, vendor/nvi/dist/cl/cl_funcs.c)
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ vendor/nvi/2.1.3/cl/cl_funcs.c	Fri Apr 10 13:28:01 2015	(r281370, copy of r281368, vendor/nvi/dist/cl/cl_funcs.c)
@@ -0,0 +1,852 @@
+/*-
+ * Copyright (c) 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ * Copyright (c) 1993, 1994, 1995, 1996
+ *	Keith Bostic.  All rights reserved.
+ *
+ * See the LICENSE file for redistribution information.
+ */
+
+#include "config.h"
+
+#ifndef lint
+static const char sccsid[] = "$Id: cl_funcs.c,v 10.74 2012/10/11 10:30:16 zy Exp $";
+#endif /* not lint */
+
+#include <sys/types.h>
+#include <sys/queue.h>
+#include <sys/time.h>
+
+#include <bitstring.h>
+#include <ctype.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef HAVE_TERM_H
+#include <term.h>
+#endif
+#include <termios.h>
+#include <unistd.h>
+
+#include "../common/common.h"
+#include "../vi/vi.h"
+#include "cl.h"
+
+static void cl_rdiv(SCR *);
+
+static int 
+addstr4(SCR *sp, void *str, size_t len, int wide)
+{
+	CL_PRIVATE *clp;
+	WINDOW *win;
+	size_t y, x;
+	int iv;
+
+	clp = CLP(sp);
+	win = CLSP(sp) ? CLSP(sp) : stdscr;
+
+	/*
+	 * If ex isn't in control, it's the last line of the screen and
+	 * it's a split screen, use inverse video.
+	 */
+	iv = 0;
+	getyx(win, y, x);
+	if (!F_ISSET(sp, SC_SCR_EXWROTE) &&
+	    y == RLNO(sp, LASTLINE(sp)) && IS_SPLIT(sp)) {
+		iv = 1;
+		(void)wstandout(win);
+	}
+
+#ifdef USE_WIDECHAR
+	if (wide) {
+	    if (waddnwstr(win, str, len) == ERR)
+		return (1);
+	} else 
+#endif
+	    if (waddnstr(win, str, len) == ERR)
+		    return (1);
+
+	if (iv)
+		(void)wstandend(win);
+	return (0);
+}
+
+/*
+ * cl_waddstr --
+ *	Add len bytes from the string at the cursor, advancing the cursor.
+ *
+ * PUBLIC: int cl_waddstr(SCR *, const CHAR_T *, size_t);
+ */
+int
+cl_waddstr(SCR *sp, const CHAR_T *str, size_t len)
+{
+	return addstr4(sp, (void *)str, len, 1);
+}
+
+/*
+ * cl_addstr --
+ *	Add len bytes from the string at the cursor, advancing the cursor.
+ *
+ * PUBLIC: int cl_addstr(SCR *, const char *, size_t);
+ */
+int
+cl_addstr(SCR *sp, const char *str, size_t len)
+{
+	return addstr4(sp, (void *)str, len, 0);
+}
+
+/*
+ * cl_attr --
+ *	Toggle a screen attribute on/off.
+ *
+ * PUBLIC: int cl_attr(SCR *, scr_attr_t, int);
+ */
+int
+cl_attr(SCR *sp, scr_attr_t attribute, int on)
+{
+	CL_PRIVATE *clp;
+	WINDOW *win;
+
+	clp = CLP(sp);
+	win = CLSP(sp) ? CLSP(sp) : stdscr;
+
+	switch (attribute) {
+	case SA_ALTERNATE:
+	/*
+	 * !!!
+	 * There's a major layering violation here.  The problem is that the
+	 * X11 xterm screen has what's known as an "alternate" screen.  Some
+	 * xterm termcap/terminfo entries include sequences to switch to/from
+	 * that alternate screen as part of the ti/te (smcup/rmcup) strings.
+	 * Vi runs in the alternate screen, so that you are returned to the
+	 * same screen contents on exit from vi that you had when you entered
+	 * vi.  Further, when you run :shell, or :!date or similar ex commands,
+	 * you also see the original screen contents.  This wasn't deliberate
+	 * on vi's part, it's just that it historically sent terminal init/end
+	 * sequences at those times, and the addition of the alternate screen
+	 * sequences to the strings changed the behavior of vi.  The problem
+	 * caused by this is that we don't want to switch back to the alternate
+	 * screen while getting a new command from the user, when the user is
+	 * continuing to enter ex commands, e.g.:
+	 *
+	 *	:!date				<<< switch to original screen
+	 *	[Hit return to continue]	<<< prompt user to continue
+	 *	:command			<<< get command from user
+	 *
+	 * Note that the :command input is a true vi input mode, e.g., input
+	 * maps and abbreviations are being done.  So, we need to be able to
+	 * switch back into the vi screen mode, without flashing the screen. 
+	 *
+	 * To make matters worse, the curses initscr() and endwin() calls will
+	 * do this automatically -- so, this attribute isn't as controlled by
+	 * the higher level screen as closely as one might like.
+	 */
+	if (on) {
+		if (clp->ti_te != TI_SENT) {
+			clp->ti_te = TI_SENT;
+			if (clp->smcup == NULL)
+				(void)cl_getcap(sp, "smcup", &clp->smcup);
+			if (clp->smcup != NULL)
+				(void)tputs(clp->smcup, 1, cl_putchar);
+		}
+	} else
+		if (clp->ti_te != TE_SENT) {
+			clp->ti_te = TE_SENT;
+			if (clp->rmcup == NULL)
+				(void)cl_getcap(sp, "rmcup", &clp->rmcup);
+			if (clp->rmcup != NULL)
+				(void)tputs(clp->rmcup, 1, cl_putchar);
+			(void)fflush(stdout);
+		}
+		(void)fflush(stdout);
+		break;
+	case SA_INVERSE:
+		if (F_ISSET(sp, SC_EX | SC_SCR_EXWROTE)) {
+			if (clp->smso == NULL)
+				return (1);
+			if (on)
+				(void)tputs(clp->smso, 1, cl_putchar);
+			else
+				(void)tputs(clp->rmso, 1, cl_putchar);
+			(void)fflush(stdout);
+		} else {
+			if (on)
+				(void)wstandout(win);
+			else
+				(void)wstandend(win);
+		}
+		break;
+	default:
+		abort();
+	}
+	return (0);
+}
+
+/*
+ * cl_baud --
+ *	Return the baud rate.
+ *
+ * PUBLIC: int cl_baud(SCR *, u_long *);
+ */
+int
+cl_baud(SCR *sp, u_long *ratep)
+{
+	CL_PRIVATE *clp;
+
+	/*
+	 * XXX
+	 * There's no portable way to get a "baud rate" -- cfgetospeed(3)
+	 * returns the value associated with some #define, which we may
+	 * never have heard of, or which may be a purely local speed.  Vi
+	 * only cares if it's SLOW (w300), slow (w1200) or fast (w9600).
+	 * Try and detect the slow ones, and default to fast.
+	 */
+	clp = CLP(sp);
+	switch (cfgetospeed(&clp->orig)) {
+	case B50:
+	case B75:
+	case B110:
+	case B134:
+	case B150:
+	case B200:
+	case B300:
+	case B600:
+		*ratep = 600;
+		break;
+	case B1200:
+		*ratep = 1200;
+		break;
+	default:
+		*ratep = 9600;
+		break;
+	}
+	return (0);
+}
+
+/*
+ * cl_bell --
+ *	Ring the bell/flash the screen.
+ *
+ * PUBLIC: int cl_bell(SCR *);
+ */
+int
+cl_bell(SCR *sp)
+{
+	if (F_ISSET(sp, SC_EX | SC_SCR_EXWROTE | SC_SCR_EX))
+		(void)write(STDOUT_FILENO, "\07", 1);		/* \a */
+	else {
+		/*
+		 * Vi has an edit option which determines if the terminal
+		 * should be beeped or the screen flashed.
+		 */
+		if (O_ISSET(sp, O_FLASH))
+			(void)flash();
+		else
+			(void)beep();
+	}
+	return (0);
+}
+
+/*
+ * cl_clrtoeol --
+ *	Clear from the current cursor to the end of the line.
+ *
+ * PUBLIC: int cl_clrtoeol(SCR *);
+ */
+int
+cl_clrtoeol(SCR *sp)
+{
+	WINDOW *win;
+#if 0
+	size_t spcnt, y, x;
+#endif
+
+	win = CLSP(sp) ? CLSP(sp) : stdscr;
+
+#if 0
+	if (IS_VSPLIT(sp)) {
+		/* The cursor must be returned to its original position. */
+		getyx(win, y, x);
+		for (spcnt = (sp->coff + sp->cols) - x; spcnt > 0; --spcnt)
+			(void)waddch(win, ' ');
+		(void)wmove(win, y, x);
+		return (0);
+	} else
+#endif
+		return (wclrtoeol(win) == ERR);
+}
+
+/*
+ * cl_cursor --
+ *	Return the current cursor position.
+ *
+ * PUBLIC: int cl_cursor(SCR *, size_t *, size_t *);
+ */
+int
+cl_cursor(SCR *sp, size_t *yp, size_t *xp)
+{
+	WINDOW *win;
+	win = CLSP(sp) ? CLSP(sp) : stdscr;
+	/*
+	 * The curses screen support splits a single underlying curses screen
+	 * into multiple screens to support split screen semantics.  For this
+	 * reason the returned value must be adjusted to be relative to the
+	 * current screen, and not absolute.  Screens that implement the split
+	 * using physically distinct screens won't need this hack.
+	 */
+	getyx(win, *yp, *xp);
+	/*
+	*yp -= sp->roff;
+	*xp -= sp->coff;
+	*/
+	return (0);
+}
+
+/*
+ * cl_deleteln --
+ *	Delete the current line, scrolling all lines below it.
+ *
+ * PUBLIC: int cl_deleteln(SCR *);
+ */
+int
+cl_deleteln(SCR *sp)
+{
+	CL_PRIVATE *clp;
+	WINDOW *win;
+	size_t y, x;
+
+	clp = CLP(sp);
+	win = CLSP(sp) ? CLSP(sp) : stdscr;
+
+	/*
+	 * This clause is required because the curses screen uses reverse
+	 * video to delimit split screens.  If the screen does not do this,
+	 * this code won't be necessary.
+	 *
+	 * If the bottom line was in reverse video, rewrite it in normal
+	 * video before it's scrolled.
+	 */
+	if (!F_ISSET(sp, SC_SCR_EXWROTE) && IS_SPLIT(sp)) {
+		getyx(win, y, x);
+		mvwchgat(win, RLNO(sp, LASTLINE(sp)), 0, -1, A_NORMAL, 0, NULL);
+		(void)wmove(win, y, x);
+	}
+
+	/*
+	 * The bottom line is expected to be blank after this operation,
+	 * and other screens must support that semantic.
+	 */
+	return (wdeleteln(win) == ERR);
+}
+
+/* 
+ * cl_discard --
+ *	Discard a screen.
+ *
+ * PUBLIC: int cl_discard(SCR *, SCR **);
+ */
+int
+cl_discard(SCR *discardp, SCR **acquirep)
+{
+	CL_PRIVATE *clp;
+	SCR*	tsp;
+
+	if (discardp) {
+	    clp = CLP(discardp);
+	    F_SET(clp, CL_LAYOUT);
+
+	    if (CLSP(discardp)) {
+		    delwin(CLSP(discardp));
+		    discardp->cl_private = NULL;
+	    }
+	}
+
+	/* no screens got a piece; we're done */
+	if (!acquirep) 
+		return 0;
+
+	for (; (tsp = *acquirep) != NULL; ++acquirep) {
+		clp = CLP(tsp);
+		F_SET(clp, CL_LAYOUT);
+
+		if (CLSP(tsp))
+			delwin(CLSP(tsp));
+		tsp->cl_private = subwin(stdscr, tsp->rows, tsp->cols,
+					   tsp->roff, tsp->coff);
+	}
+
+	/* discardp is going away, acquirep is taking up its space. */
+	return (0);
+}
+
+/* 
+ * cl_ex_adjust --
+ *	Adjust the screen for ex.  This routine is purely for standalone
+ *	ex programs.  All special purpose, all special case.
+ *
+ * PUBLIC: int cl_ex_adjust(SCR *, exadj_t);
+ */
+int
+cl_ex_adjust(SCR *sp, exadj_t action)
+{
+	CL_PRIVATE *clp;
+	int cnt;
+
+	clp = CLP(sp);
+	switch (action) {
+	case EX_TERM_SCROLL:
+		/* Move the cursor up one line if that's possible. */
+		if (clp->cuu1 != NULL)
+			(void)tputs(clp->cuu1, 1, cl_putchar);
+		else if (clp->cup != NULL)
+			(void)tputs(tgoto(clp->cup,
+			    0, LINES - 2), 1, cl_putchar);
+		else
+			return (0);
+		/* FALLTHROUGH */
+	case EX_TERM_CE:
+		/* Clear the line. */
+		if (clp->el != NULL) {
+			(void)putchar('\r');
+			(void)tputs(clp->el, 1, cl_putchar);
+		} else {
+			/*
+			 * Historically, ex didn't erase the line, so, if the
+			 * displayed line was only a single glyph, and <eof>
+			 * was more than one glyph, the output would not fully
+			 * overwrite the user's input.  To fix this, output
+			 * the maxiumum character number of spaces.  Note,
+			 * this won't help if the user entered extra prompt
+			 * or <blank> characters before the command character.
+			 * We'd have to do a lot of work to make that work, and
+			 * it's almost certainly not worth the effort.
+			 */
+			for (cnt = 0; cnt < MAX_CHARACTER_COLUMNS; ++cnt)
+				(void)putchar('\b');
+			for (cnt = 0; cnt < MAX_CHARACTER_COLUMNS; ++cnt)
+				(void)putchar(' ');
+			(void)putchar('\r');
+			(void)fflush(stdout);
+		}
+		break;
+	default:
+		abort();
+	}
+	return (0);
+}
+
+/*
+ * cl_insertln --
+ *	Push down the current line, discarding the bottom line.
+ *
+ * PUBLIC: int cl_insertln(SCR *);
+ */
+int
+cl_insertln(SCR *sp)
+{
+	WINDOW *win;
+	win = CLSP(sp) ? CLSP(sp) : stdscr;
+	/*
+	 * The current line is expected to be blank after this operation,
+	 * and the screen must support that semantic.
+	 */
+	return (winsertln(win) == ERR);
+}
+
+/*
+ * cl_keyval --
+ *	Return the value for a special key.
+ *
+ * PUBLIC: int cl_keyval(SCR *, scr_keyval_t, CHAR_T *, int *);
+ */
+int
+cl_keyval(SCR *sp, scr_keyval_t val, CHAR_T *chp, int *dnep)
+{
+	CL_PRIVATE *clp;
+
+	/*
+	 * VEOF, VERASE and VKILL are required by POSIX 1003.1-1990,
+	 * VWERASE is a 4BSD extension.
+	 */
+	clp = CLP(sp);
+	switch (val) {
+	case KEY_VEOF:
+		*dnep = (*chp = clp->orig.c_cc[VEOF]) == _POSIX_VDISABLE;
+		break;
+	case KEY_VERASE:
+		*dnep = (*chp = clp->orig.c_cc[VERASE]) == _POSIX_VDISABLE;
+		break;
+	case KEY_VKILL:
+		*dnep = (*chp = clp->orig.c_cc[VKILL]) == _POSIX_VDISABLE;
+		break;
+#ifdef VWERASE
+	case KEY_VWERASE:
+		*dnep = (*chp = clp->orig.c_cc[VWERASE]) == _POSIX_VDISABLE;
+		break;
+#endif
+	default:
+		*dnep = 1;
+		break;
+	}
+	return (0);
+}
+
+/*
+ * cl_move --
+ *	Move the cursor.
+ *
+ * PUBLIC: int cl_move(SCR *, size_t, size_t);
+ */
+int
+cl_move(SCR *sp, size_t lno, size_t cno)
+{
+	WINDOW *win;
+	win = CLSP(sp) ? CLSP(sp) : stdscr;
+	/* See the comment in cl_cursor. */
+	if (wmove(win, RLNO(sp, lno), RCNO(sp, cno)) == ERR) {
+		msgq(sp, M_ERR, "Error: move: l(%zu + %zu) c(%zu + %zu)",
+		    lno, sp->roff, cno, sp->coff);
+		return (1);
+	}
+	return (0);
+}
+
+/*
+ * cl_refresh --
+ *	Refresh the screen.
+ *
+ * PUBLIC: int cl_refresh(SCR *, int);
+ */
+int
+cl_refresh(SCR *sp, int repaint)
+{
+	GS *gp;
+	CL_PRIVATE *clp;
+	WINDOW *win;
+	SCR *psp, *tsp;
+	size_t y, x;
+
+	gp = sp->gp;
+	clp = CLP(sp);
+	win = CLSP(sp) ? CLSP(sp) : stdscr;
+
+	/*
+	 * If we received a killer signal, we're done, there's no point
+	 * in refreshing the screen.
+	 */
+	if (clp->killersig)
+		return (0);
+
+	/*
+	 * If repaint is set, the editor is telling us that we don't know
+	 * what's on the screen, so we have to repaint from scratch.
+	 *
+	 * If repaint set or the screen layout changed, we need to redraw
+	 * any lines separating vertically split screens.  If the horizontal
+	 * offsets are the same, then the split was vertical, and need to
+	 * draw a dividing line.
+	 */
+	if (repaint || F_ISSET(clp, CL_LAYOUT)) {
+		getyx(stdscr, y, x);
+		for (psp = sp; psp != NULL; psp = TAILQ_NEXT(psp, q))
+			for (tsp = TAILQ_NEXT(psp, q); tsp != NULL;
+			    tsp = TAILQ_NEXT(tsp, q))
+				if (psp->roff == tsp->roff) {
+				    if (psp->coff + psp->cols + 1 == tsp->coff)
+					cl_rdiv(psp);
+				    else 
+				    if (tsp->coff + tsp->cols + 1 == psp->coff)
+					cl_rdiv(tsp);
+				}
+		(void)wmove(stdscr, y, x);
+		F_CLR(clp, CL_LAYOUT);
+	}
+
+	/*
+	 * In the curses library, doing wrefresh(curscr) is okay, but the
+	 * screen flashes when we then apply the refresh() to bring it up
+	 * to date.  So, use clearok().
+	 */
+	if (repaint)
+		clearok(curscr, 1);
+	/*
+	 * Only do an actual refresh, when this is the focus window,
+	 * i.e. the one holding the cursor. This assumes that refresh
+	 * is called for that window after refreshing the others.
+	 * This prevents the cursor being drawn in the other windows.
+	 */
+	return (wnoutrefresh(stdscr) == ERR || 
+		wnoutrefresh(win) == ERR || 
+		(sp == clp->focus && doupdate() == ERR));
+}
+
+/*
+ * cl_rdiv --
+ *	Draw a dividing line between two vertically split screens.
+ */
+static void
+cl_rdiv(SCR *sp)
+{
+#ifdef __NetBSD__
+	mvvline(sp->roff, sp->cols + sp->coff, '|', sp->rows);
+#else
+	mvvline(sp->roff, sp->cols + sp->coff, ACS_VLINE, sp->rows);
+#endif
+}
+
+/*
+ * cl_rename --
+ *	Rename the file.
+ *
+ * PUBLIC: int cl_rename(SCR *, char *, int);
+ */
+int
+cl_rename(SCR *sp, char *name, int on)
+{
+	GS *gp;
+	CL_PRIVATE *clp;
+	FILE *pfp;
+	char buf[256], *s, *e;
+	char * wid;
+	char cmd[64];
+
+	gp = sp->gp;
+	clp = CLP(sp);
+
+	/*
+	 * XXX
+	 * We can only rename windows for xterm.
+	 */
+	if (on) {
+		clp->focus = sp;
+		if (!F_ISSET(clp, CL_RENAME_OK) ||
+		    strncmp(OG_STR(gp, GO_TERM), "xterm", 5))
+			return (0);
+
+		if (clp->oname == NULL && (wid = getenv("WINDOWID"))) {
+			snprintf(cmd, sizeof(cmd), "xprop -id %s WM_NAME", wid);
+			if ((pfp = popen(cmd, "r")) == NULL)
+				goto rename;
+			if (fgets(buf, sizeof(buf), pfp) == NULL) {
+				pclose(pfp);
+				goto rename;
+			}
+			pclose(pfp);
+			if ((s = strchr(buf, '"')) != NULL &&
+			    (e = strrchr(buf, '"')) != NULL)
+				clp->oname = strndup(s + 1, e - s - 1);
+		}
+
+rename:		cl_setname(gp, name);
+
+		F_SET(clp, CL_RENAME);
+	} else
+		if (F_ISSET(clp, CL_RENAME)) {
+			cl_setname(gp, clp->oname);
+
+			F_CLR(clp, CL_RENAME);
+		}
+	return (0);
+}
+
+/*
+ * cl_setname --
+ *	Set a X11 icon/window name.
+ *
+ * PUBLIC: void cl_setname(GS *, char *);
+ */
+void
+cl_setname(GS *gp, char *name)
+{
+/* X11 xterm escape sequence to rename the icon/window. */
+#define	XTERM_RENAME	"\033]0;%s\007"
+
+	(void)printf(XTERM_RENAME, name == NULL ? OG_STR(gp, GO_TERM) : name);
+	(void)fflush(stdout);
+#undef XTERM_RENAME
+}
+
+/* 
+ * cl_split --
+ *	Split a screen.
+ *
+ * PUBLIC: int cl_split(SCR *, SCR *);
+ */
+int
+cl_split(SCR *origp, SCR *newp)
+{
+	CL_PRIVATE *clp;
+
+	clp = CLP(origp);
+	F_SET(clp, CL_LAYOUT);
+
+	if (CLSP(origp))
+		delwin(CLSP(origp));
+
+	origp->cl_private = subwin(stdscr, origp->rows, origp->cols,
+				     origp->roff, origp->coff);
+	newp->cl_private = subwin(stdscr, newp->rows, newp->cols,
+				     newp->roff, newp->coff);
+
+	/* origp is the original screen, giving up space to newp. */
+	return (0);
+}
+
+/*
+ * cl_suspend --
+ *	Suspend a screen.
+ *
+ * PUBLIC: int cl_suspend(SCR *, int *);
+ */
+int
+cl_suspend(SCR *sp, int *allowedp)
+{
+	struct termios t;
+	CL_PRIVATE *clp;
+	WINDOW *win;
+	GS *gp;
+	size_t y, x;
+	int changed;
+
+	gp = sp->gp;
+	clp = CLP(sp);
+	win = CLSP(sp) ? CLSP(sp) : stdscr;
+	*allowedp = 1;
+
+	/*
+	 * The ex implementation of this function isn't needed by screens not
+	 * supporting ex commands that require full terminal canonical mode
+	 * (e.g. :suspend).
+	 *
+	 * The vi implementation of this function isn't needed by screens not
+	 * supporting vi process suspension, i.e. any screen that isn't backed
+	 * by a UNIX shell.
+	 *
+	 * Setting allowedp to 0 will cause the editor to reject the command.
+	 */
+	if (F_ISSET(sp, SC_EX)) { 
+		/* Save the terminal settings, and restore the original ones. */
+		if (F_ISSET(clp, CL_STDIN_TTY)) {
+			(void)tcgetattr(STDIN_FILENO, &t);
+			(void)tcsetattr(STDIN_FILENO,
+			    TCSASOFT | TCSADRAIN, &clp->orig);
+		}
+
+		/* Stop the process group. */
+		(void)kill(0, SIGTSTP);
+

*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***



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