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authorJuli Mallett <jmallett@FreeBSD.org>1996-06-26 05:36:21 +0000
committerJuli Mallett <jmallett@FreeBSD.org>1996-06-26 05:36:21 +0000
commit3a68a92675f03527bb79bfe92943344eba24ed09 (patch)
treed94a2cbb589234c49bcc1af7da784f6ffccdc0ee
downloadsrc-3a68a92675f03527bb79bfe92943344eba24ed09.tar.gz
src-3a68a92675f03527bb79bfe92943344eba24ed09.zip
Import OpenBSD m4 as of today.
Notes
Notes: svn path=/vendor/OpenBSD/dist/; revision=16748
-rw-r--r--usr.bin/m4/PSD.doc/Makefile11
-rw-r--r--usr.bin/m4/TEST/ack.m442
-rw-r--r--usr.bin/m4/TEST/hanoi.m447
-rw-r--r--usr.bin/m4/TEST/hash.m457
-rw-r--r--usr.bin/m4/TEST/sqroot.m447
-rw-r--r--usr.bin/m4/TEST/string.m447
-rw-r--r--usr.bin/m4/TEST/test.m4245
7 files changed, 496 insertions, 0 deletions
diff --git a/usr.bin/m4/PSD.doc/Makefile b/usr.bin/m4/PSD.doc/Makefile
new file mode 100644
index 000000000000..c60c912e15c2
--- /dev/null
+++ b/usr.bin/m4/PSD.doc/Makefile
@@ -0,0 +1,11 @@
+# $OpenBSD: Makefile,v 1.2 1996/06/26 05:36:17 deraadt Exp $
+
+
+DIR= psd/17.m4
+SRCS= m4.ms
+MACROS= -msU
+
+paper.ps: ${SRCS}
+ ${ROFF} ${SRCS} > ${.TARGET}
+
+.include <bsd.doc.mk>
diff --git a/usr.bin/m4/TEST/ack.m4 b/usr.bin/m4/TEST/ack.m4
new file mode 100644
index 000000000000..ef0b5ef51593
--- /dev/null
+++ b/usr.bin/m4/TEST/ack.m4
@@ -0,0 +1,42 @@
+# $OpenBSD: ack.m4,v 1.2 1996/06/26 05:36:18 deraadt Exp $
+# $NetBSD: ack.m4,v 1.4 1995/09/28 05:37:54 tls Exp $
+#
+# Copyright (c) 1989, 1993
+# The Regents of the University of California. All rights reserved.
+#
+# This code is derived from software contributed to Berkeley by
+# Ozan Yigit.
+#
+# 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. All advertising materials mentioning features or use of this software
+# must display the following acknowledgement:
+# This product includes software developed by the University of
+# California, Berkeley and its contributors.
+# 4. 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.
+#
+# @(#)ack.m4 8.1 (Berkeley) 6/6/93
+#
+
+define(ack, `ifelse($1,0,incr($2),$2,0,`ack(DECR($1),1)',
+`ack(DECR($1), ack($1,DECR($2)))')')
diff --git a/usr.bin/m4/TEST/hanoi.m4 b/usr.bin/m4/TEST/hanoi.m4
new file mode 100644
index 000000000000..d16f922ad0d2
--- /dev/null
+++ b/usr.bin/m4/TEST/hanoi.m4
@@ -0,0 +1,47 @@
+# $OpenBSD: hanoi.m4,v 1.2 1996/06/26 05:36:19 deraadt Exp $
+# $NetBSD: hanoi.m4,v 1.4 1995/09/28 05:37:56 tls Exp $
+#
+# Copyright (c) 1989, 1993
+# The Regents of the University of California. All rights reserved.
+#
+# This code is derived from software contributed to Berkeley by
+# Ozan Yigit.
+#
+# 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. All advertising materials mentioning features or use of this software
+# must display the following acknowledgement:
+# This product includes software developed by the University of
+# California, Berkeley and its contributors.
+# 4. 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.
+#
+# @(#)hanoi.m4 8.1 (Berkeley) 6/6/93
+#
+
+define(hanoi, `trans(A, B, C, $1)')
+
+define(moved,`move disk from $1 to $2
+')
+
+define(trans, `ifelse($4,1,`moved($1,$2)',
+ `trans($1,$3,$2,DECR($4))moved($1,$2)trans($3,$2,$1,DECR($4))')')
diff --git a/usr.bin/m4/TEST/hash.m4 b/usr.bin/m4/TEST/hash.m4
new file mode 100644
index 000000000000..21b40e140c2f
--- /dev/null
+++ b/usr.bin/m4/TEST/hash.m4
@@ -0,0 +1,57 @@
+# $OpenBSD: hash.m4,v 1.2 1996/06/26 05:36:19 deraadt Exp $
+# $NetBSD: hash.m4,v 1.4 1995/09/28 05:37:58 tls Exp $
+#
+# Copyright (c) 1989, 1993
+# The Regents of the University of California. All rights reserved.
+#
+# This code is derived from software contributed to Berkeley by
+# Ozan Yigit.
+#
+# 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. All advertising materials mentioning features or use of this software
+# must display the following acknowledgement:
+# This product includes software developed by the University of
+# California, Berkeley and its contributors.
+# 4. 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.
+#
+# @(#)hash.m4 8.1 (Berkeley) 6/6/93
+#
+
+dnl This probably will not run on any m4 that cannot
+dnl handle char constants in eval.
+dnl
+changequote(<,>) define(HASHVAL,99) dnl
+define(hash,<eval(str(substr($1,1),0)%HASHVAL)>) dnl
+define(str,
+ <ifelse($1,",$2,
+ <str(substr(<$1>,1),<eval($2+'substr($1,0,1)')>)>)
+ >) dnl
+define(KEYWORD,<$1,hash($1),>) dnl
+define(TSTART,
+<struct prehash {
+ char *keyword;
+ int hashval;
+} keytab[] = {>) dnl
+define(TEND,< "",0
+};>) dnl
diff --git a/usr.bin/m4/TEST/sqroot.m4 b/usr.bin/m4/TEST/sqroot.m4
new file mode 100644
index 000000000000..d01789bb4d0d
--- /dev/null
+++ b/usr.bin/m4/TEST/sqroot.m4
@@ -0,0 +1,47 @@
+# $OpenBSD: sqroot.m4,v 1.2 1996/06/26 05:36:20 deraadt Exp $
+# $NetBSD: sqroot.m4,v 1.4 1995/09/28 05:38:01 tls Exp $
+#
+# Copyright (c) 1989, 1993
+# The Regents of the University of California. All rights reserved.
+#
+# This code is derived from software contributed to Berkeley by
+# Ozan Yigit.
+#
+# 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. All advertising materials mentioning features or use of this software
+# must display the following acknowledgement:
+# This product includes software developed by the University of
+# California, Berkeley and its contributors.
+# 4. 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.
+#
+# @(#)sqroot.m4 8.1 (Berkeley) 6/6/93
+#
+
+define(square_root,
+ `ifelse(eval($1<0),1,negative-square-root,
+ `square_root_aux($1, 1, eval(($1+1)/2))')')
+define(square_root_aux,
+ `ifelse($3, $2, $3,
+ $3, eval($1/$2), $3,
+ `square_root_aux($1, $3, eval(($3+($1/$3))/2))')')
diff --git a/usr.bin/m4/TEST/string.m4 b/usr.bin/m4/TEST/string.m4
new file mode 100644
index 000000000000..bb0bba4d1b67
--- /dev/null
+++ b/usr.bin/m4/TEST/string.m4
@@ -0,0 +1,47 @@
+# $OpenBSD: string.m4,v 1.2 1996/06/26 05:36:20 deraadt Exp $
+# $NetBSD: string.m4,v 1.4 1995/09/28 05:38:03 tls Exp $
+#
+# Copyright (c) 1989, 1993
+# The Regents of the University of California. All rights reserved.
+#
+# This code is derived from software contributed to Berkeley by
+# Ozan Yigit.
+#
+# 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. All advertising materials mentioning features or use of this software
+# must display the following acknowledgement:
+# This product includes software developed by the University of
+# California, Berkeley and its contributors.
+# 4. 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.
+#
+# @(#)string.m4 8.1 (Berkeley) 6/6/93
+#
+
+define(string,`integer $1(len(substr($2,1)))
+str($1,substr($2,1),0)
+data $1(len(substr($2,1)))/EOS/
+')
+
+define(str,`ifelse($2,",,data $1(incr($3))/`LET'substr($2,0,1)/
+`str($1,substr($2,1),incr($3))')')
diff --git a/usr.bin/m4/TEST/test.m4 b/usr.bin/m4/TEST/test.m4
new file mode 100644
index 000000000000..1c77b9bdef9d
--- /dev/null
+++ b/usr.bin/m4/TEST/test.m4
@@ -0,0 +1,245 @@
+# $OpenBSD: test.m4,v 1.2 1996/06/26 05:36:21 deraadt Exp $
+# $NetBSD: test.m4,v 1.4 1995/09/28 05:38:05 tls Exp $
+#
+# Copyright (c) 1989, 1993
+# The Regents of the University of California. All rights reserved.
+#
+# This code is derived from software contributed to Berkeley by
+# Ozan Yigit.
+#
+# 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. All advertising materials mentioning features or use of this software
+# must display the following acknowledgement:
+# This product includes software developed by the University of
+# California, Berkeley and its contributors.
+# 4. 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.
+#
+# @(#)test.m4 8.1 (Berkeley) 6/6/93
+#
+
+# test file for mp (not comprehensive)
+#
+# v7 m4 does not have `decr'.
+#
+define(DECR,`eval($1-1)')
+#
+# include string macros
+#
+include(string.m4)
+#
+# create some fortrash strings for an even uglier language
+#
+string(TEXT, "text")
+string(DATA, "data")
+string(BEGIN, "begin")
+string(END, "end")
+string(IF, "if")
+string(THEN, "then")
+string(ELSE, "else")
+string(CASE, "case")
+string(REPEAT, "repeat")
+string(WHILE, "while")
+string(DEFAULT, "default")
+string(UNTIL, "until")
+string(FUNCTION, "function")
+string(PROCEDURE, "procedure")
+string(EXTERNAL, "external")
+string(FORWARD, "forward")
+string(TYPE, "type")
+string(VAR, "var")
+string(CONST, "const")
+string(PROGRAM, "program")
+string(INPUT, "input")
+string(OUTPUT, "output")
+#
+divert(2)
+diversion #1
+divert(3)
+diversion #2
+divert(4)
+diversion #3
+divert(5)
+diversion #4
+divert(0)
+define(abc,xxx)
+ifdef(`abc',defined,undefined)
+#
+# v7 m4 does this wrong. The right output is
+# this is A vEry lon sEntEnCE
+# see m4 documentation for translit.
+#
+translit(`this is a very long sentence', abcdefg, ABCDEF)
+#
+# include towers-of-hanoi
+#
+include(hanoi.m4)
+#
+# some reasonable set of disks
+#
+hanoi(6)
+#
+# include ackermann's function
+#
+include(ack.m4)
+#
+# something like (3,3) will blow away un*x m4.
+#
+ack(2,3)
+#
+# include a square_root function for fixed nums
+#
+include(sqroot.m4)
+#
+# some square roots.
+#
+square_root(15)
+square_root(100)
+square_root(-4)
+square_root(21372)
+#
+# some textual material for enjoyment.
+#
+[taken from the 'Clemson University Computer Newsletter',
+ September 1981, pp. 6-7]
+
+I am a wizard in the magical Kingdom of Transformation and I
+slay dragons for a living. Actually, I am a systems programmer.
+One of the problems with systems programming is explaining to
+non-computer enthusiasts what that is. All of the terms I use to
+describe my job are totally meaningless to them. Usually my response
+to questions about my work is to say as little as possible. For
+instance, if someone asks what happened at work this week, I say
+"Nothing much" and then I change the subject.
+
+With the assistance of my brother, a mechanical engineer, I have devised
+an analogy that everyone can understand. The analogy describes the
+"Kingdom of Transformation" where travelers wander and are magically
+transformed. This kingdom is the computer and the travelers are information.
+The purpose of the computer is to change information to a more meaningful
+forma. The law of conservation applies here: The computer never creates
+and never intentionally destroys data. With no further ado, let us travel
+to the Kingdom of Transformation:
+
+In a land far, far away, there is a magical kingdom called the Kingdom of
+Transformation. A king rules over this land and employs a Council of
+Wizardry. The main purpose of this kingdom is to provide a way for
+neighboring kingdoms to transform citizens into more useful citizens. This
+is done by allowing the citizens to enter the kingdom at one of its ports
+and to travel any of the many routes in the kingdom. They are magically
+transformed along the way. The income of the Kingdom of Transformation
+comes from the many toll roads within its boundaries.
+
+The Kingdom of Transformation was created when several kingdoms got
+together and discovered a mutual need for new talents and abilities for
+citizens. They employed CTK, Inc. (Creators of Transformation, Inc.) to
+create this kingdom. CTK designed the country, its transportation routes,
+and its laws of transformation, and created the major highway system.
+
+Hazards
+=======
+
+Because magic is not truly controllable, CTK invariably, but unknowingly,
+creates dragons. Dragons are huge fire-breathing beasts which sometimes
+injure or kill travelers. Fortunately, they do not travel, but always
+remain near their den.
+
+Other hazards also exist which are potentially harmful. As the roads
+become older and more weatherbeaten, pot-holes will develop, trees will
+fall on travelers, etc. CTK maintenance men are called to fix these
+problems.
+
+Wizards
+=======
+
+The wizards play a major role in creating and maintaining the kingdom but
+get little credit for their work because it is performed secretly. The
+wizards do not wan the workers or travelers to learn their incantations
+because many laws would be broken and chaos would result.
+
+CTK's grand design is always general enough to be applicable in many
+different situations. As a result, it is often difficult to use. The
+first duty of the wizards is to tailor the transformation laws so as to be
+more beneficial and easier to use in their particular environment.
+
+After creation of the kingdom, a major duty of the wizards is to search for
+and kill dragons. If travelers do not return on time or if they return
+injured, the ruler of the country contacts the wizards. If the wizards
+determine that the injury or death occurred due to the traveler's
+negligence, they provide the traveler's country with additional warnings.
+If not, they must determine if the cause was a road hazard or a dragon. If
+the suspect a road hazard, they call in a CTK maintenance man to locate the
+hazard and to eliminate it, as in repairing the pothole in the road. If
+they think that cause was a dragon, then they must find and slay it.
+
+The most difficult part of eliminating a dragon is finding it. Sometimes
+the wizard magically knows where the dragon's lair it, but often the wizard
+must send another traveler along the same route and watch to see where he
+disappears. This sounds like a failsafe method for finding dragons (and a
+suicide mission for thr traveler) but the second traveler does not always
+disappear. Some dragons eat any traveler who comes too close; others are
+very picky.
+
+The wizards may call in CTK who designed the highway system and
+transformation laws to help devise a way to locate the dragon. CTK also
+helps provide the right spell or incantation to slay the dragon. (There is
+no general spell to slay dragons; each dragon must be eliminated with a
+different spell.)
+
+Because neither CTK nor wizards are perfect, spells to not always work
+correctly. At best, nothing happens when the wrong spell is uttered. At
+worst, the dragon becomes a much larger dragon or multiplies into several
+smaller ones. In either case, new spells must be found.
+
+If all existing dragons are quiet (i.e. have eaten sufficiently), wizards
+have time to do other things. They hide in castles and practice spells and
+incatations. They also devise shortcuts for travelers and new laws of
+transformation.
+
+Changes in the Kingdom
+======================
+
+As new transformation kingdoms are created and old ones are maintained,
+CTK, Inc. is constantly learning new things. It learns ways to avoid
+creating some of the dragons that they have previously created. It also
+discovers new and better laws of transformation. As a result, CTK will
+periodically create a new grand design which is far better than the old.
+The wizards determine when is a good time to implement this new design.
+This is when the tourist season is slow or when no important travelers
+(VIPs) are to arrive. The kingdom must be closed for the actual
+implementation and is leter reopened as a new and better place to go.
+
+A final question you might ask is what happens when the number of tourists
+becomes too great for the kingdom to handle in a reasonable period of time
+(i.e., the tourist lines at the ports are too long). The Kingdom of
+Transformation has three options: (1) shorten the paths that a tourist must
+travel, or (2) convince CTK to develop a faster breed of horses so that the
+travelers can finish sooner, or (3) annex more territories so that the
+kingdom can handle more travelers.
+
+Thus ends the story of the Kingdom of Transformation. I hope this has
+explained my job to you: I slay dragons for a living.
+
+#
+#should do an automatic undivert..
+#