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1 dashley 35 //-------------------------------------------------------------------------------------------------
2     //Copyright 2016 David T. Ashley
3     //-------------------------------------------------------------------------------------------------
4     //This source code and any program in which it is compiled/used is provided under the GNU GENERAL
5     //PUBLIC LICENSE, Version 3, full license text below.
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504     //
505     // If you convey a covered work, knowingly relying on a patent license,
506     //and the Corresponding Source of the work is not available for anyone
507     //to copy, free of charge and under the terms of this License, through a
508     //publicly available network server or other readily accessible means,
509     //then you must either (1) cause the Corresponding Source to be so
510     //available, or (2) arrange to deprive yourself of the benefit of the
511     //patent license for this particular work, or (3) arrange, in a manner
512     //consistent with the requirements of this License, to extend the patent
513     //license to downstream recipients. "Knowingly relying" means you have
514     //actual knowledge that, but for the patent license, your conveying the
515     //covered work in a country, or your recipient's use of the covered work
516     //in a country, would infringe one or more identifiable patents in that
517     //country that you have reason to believe are valid.
518     //
519     // If, pursuant to or in connection with a single transaction or
520     //arrangement, you convey, or propagate by procuring conveyance of, a
521     //covered work, and grant a patent license to some of the parties
522     //receiving the covered work authorizing them to use, propagate, modify
523     //or convey a specific copy of the covered work, then the patent license
524     //you grant is automatically extended to all recipients of the covered
525     //work and works based on it.
526     //
527     // A patent license is "discriminatory" if it does not include within
528     //the scope of its coverage, prohibits the exercise of, or is
529     //conditioned on the non-exercise of one or more of the rights that are
530     //specifically granted under this License. You may not convey a covered
531     //work if you are a party to an arrangement with a third party that is
532     //in the business of distributing software, under which you make payment
533     //to the third party based on the extent of your activity of conveying
534     //the work, and under which the third party grants, to any of the
535     //parties who would receive the covered work from you, a discriminatory
536     //patent license (a) in connection with copies of the covered work
537     //conveyed by you (or copies made from those copies), or (b) primarily
538     //for and in connection with specific products or compilations that
539     //contain the covered work, unless you entered into that arrangement,
540     //or that patent license was granted, prior to 28 March 2007.
541     //
542     // Nothing in this License shall be construed as excluding or limiting
543     //any implied license or other defenses to infringement that may
544     //otherwise be available to you under applicable patent law.
545     //
546     // 12. No Surrender of Others' Freedom.
547     //
548     // If conditions are imposed on you (whether by court order, agreement or
549     //otherwise) that contradict the conditions of this License, they do not
550     //excuse you from the conditions of this License. If you cannot convey a
551     //covered work so as to satisfy simultaneously your obligations under this
552     //License and any other pertinent obligations, then as a consequence you may
553     //not convey it at all. For example, if you agree to terms that obligate you
554     //to collect a royalty for further conveying from those to whom you convey
555     //the Program, the only way you could satisfy both those terms and this
556     //License would be to refrain entirely from conveying the Program.
557     //
558     // 13. Use with the GNU Affero General Public License.
559     //
560     // Notwithstanding any other provision of this License, you have
561     //permission to link or combine any covered work with a work licensed
562     //under version 3 of the GNU Affero General Public License into a single
563     //combined work, and to convey the resulting work. The terms of this
564     //License will continue to apply to the part which is the covered work,
565     //but the special requirements of the GNU Affero General Public License,
566     //section 13, concerning interaction through a network will apply to the
567     //combination as such.
568     //
569     // 14. Revised Versions of this License.
570     //
571     // The Free Software Foundation may publish revised and/or new versions of
572     //the GNU General Public License from time to time. Such new versions will
573     //be similar in spirit to the present version, but may differ in detail to
574     //address new problems or concerns.
575     //
576     // Each version is given a distinguishing version number. If the
577     //Program specifies that a certain numbered version of the GNU General
578     //Public License "or any later version" applies to it, you have the
579     //option of following the terms and conditions either of that numbered
580     //version or of any later version published by the Free Software
581     //Foundation. If the Program does not specify a version number of the
582     //GNU General Public License, you may choose any version ever published
583     //by the Free Software Foundation.
584     //
585     // If the Program specifies that a proxy can decide which future
586     //versions of the GNU General Public License can be used, that proxy's
587     //public statement of acceptance of a version permanently authorizes you
588     //to choose that version for the Program.
589     //
590     // Later license versions may give you additional or different
591     //permissions. However, no additional obligations are imposed on any
592     //author or copyright holder as a result of your choosing to follow a
593     //later version.
594     //
595     // 15. Disclaimer of Warranty.
596     //
597     // THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
598     //APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
599     //HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
600     //OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
601     //THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
602     //PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
603     //IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
604     //ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
605     //
606     // 16. Limitation of Liability.
607     //
608     // IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
609     //WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
610     //THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
611     //GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
612     //USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
613     //DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
614     //PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
615     //EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
616     //SUCH DAMAGES.
617     //
618     // 17. Interpretation of Sections 15 and 16.
619     //
620     // If the disclaimer of warranty and limitation of liability provided
621     //above cannot be given local legal effect according to their terms,
622     //reviewing courts shall apply local law that most closely approximates
623     //an absolute waiver of all civil liability in connection with the
624     //Program, unless a warranty or assumption of liability accompanies a
625     //copy of the Program in return for a fee.
626     //
627     // END OF TERMS AND CONDITIONS
628     //
629     // How to Apply These Terms to Your New Programs
630     //
631     // If you develop a new program, and you want it to be of the greatest
632     //possible use to the public, the best way to achieve this is to make it
633     //free software which everyone can redistribute and change under these terms.
634     //
635     // To do so, attach the following notices to the program. It is safest
636     //to attach them to the start of each source file to most effectively
637     //state the exclusion of warranty; and each file should have at least
638     //the "copyright" line and a pointer to where the full notice is found.
639     //
640     // <one line to give the program's name and a brief idea of what it does.>
641     // Copyright (C) <year> <name of author>
642     //
643     // This program is free software: you can redistribute it and/or modify
644     // it under the terms of the GNU General Public License as published by
645     // the Free Software Foundation, either version 3 of the License, or
646     // (at your option) any later version.
647     //
648     // This program is distributed in the hope that it will be useful,
649     // but WITHOUT ANY WARRANTY; without even the implied warranty of
650     // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
651     // GNU General Public License for more details.
652     //
653     // You should have received a copy of the GNU General Public License
654     // along with this program. If not, see <http://www.gnu.org/licenses/>.
655     //
656     //Also add information on how to contact you by electronic and paper mail.
657     //
658     // If the program does terminal interaction, make it output a short
659     //notice like this when it starts in an interactive mode:
660     //
661     // <program> Copyright (C) <year> <name of author>
662     // This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
663     // This is free software, and you are welcome to redistribute it
664     // under certain conditions; type `show c' for details.
665     //
666     //The hypothetical commands `show w' and `show c' should show the appropriate
667     //parts of the General Public License. Of course, your program's commands
668     //might be different; for a GUI interface, you would use an "about box".
669     //
670     // You should also get your employer (if you work as a programmer) or school,
671     //if any, to sign a "copyright disclaimer" for the program, if necessary.
672     //For more information on this, and how to apply and follow the GNU GPL, see
673     //<http://www.gnu.org/licenses/>.
674     //
675     // The GNU General Public License does not permit incorporating your program
676     //into proprietary programs. If your program is a subroutine library, you
677     //may consider it more useful to permit linking proprietary applications with
678     //the library. If this is what you want to do, use the GNU Lesser General
679     //Public License instead of this License. But first, please read
680     //<http://www.gnu.org/philosophy/why-not-lgpl.html>.
681     //-------------------------------------------------------------------------------------------------
682     //This program, a PHP script, modifies all filenames in a directory to a canonical
683     //form (no upper-case letters or unusual characters). This program is part of a
684     //3-program suite designed to collectively create a web page directly from
685     //digital camera files (and of course the web page can be customized by
686     //hand-editing after it is automatically generated). The supported process for
687     //creating a web page involves 3 programs (rather than 1) primarily to circumvent
688     //the involuntary process termination that will occur in some shared environments
689     //if a process consumes too much CPU time.
690     //
691     //The 3 programs in the 3-program suite are:
692     //
693     // filenames_canonize.php (this program):
694     // Converts all names of files in a directory to lower-case, and makes
695     // substitutions for any unusual characters.
696     //
697     // thumbnails_make.php:
698     // Creates thumbnails from recognized image types. The thumbnails are
699     // named relative to the original image file with the suffix "_small".
700     // Only 20 files are converted on each invocation of the program, to
701     // avoid the involuntary process termination that typically occurs in
702     // a shared hosting environment when a process uses too much CPU time.
703     // The program should be run repeatedly until it indicates that it has
704     // no more thumbnails to create.
705     //
706     // If any full-sized photos are modified, any corresponding thumbnails
707     // should be deleted and thumbnails_make.php and indexfile_make.php
708     // should be run again.
709     //
710     // indexfile_make.php
711     // Scans a directory and makes an index file ("index2.php") displaying
712     // all the thumbnail images, each of which link to the corresponding
713     // full-sized image. The index file is tailored to Dave Ashley's
714     // needs, but the created file can be edited and most of the content
715     // pasted into an HTML file. To avoid the accidental loss of
716     // information, any existing "index2.php" file is renamed out of the
717     // way.
718     //
719     //This script is designed to be run manually (rather than automatically invoked
720     //as a result of a web page request). It was written in PHP for convenience
721     //simply because DreamHost (the web hosting company Dave Ashley uses) has as part
722     //of its hosting environment PHP with the ImageMagick library compiled in.
723     //
724     //Usually, this script is invoked using "php <path>/filenames_canonize.php", but
725     //the method of invocation may vary based on computing platform details.
726     //--------------------------------------------------------------------------------
727     //This program is free software: you can redistribute it and/or modify
728     //it under the terms of the GNU General Public License as published by
729     //the Free Software Foundation, either version 3 of the License, or
730     //(at your option) any later version.
731     //
732     //This program is distributed in the hope that it will be useful,
733     //but WITHOUT ANY WARRANTY; without even the implied warranty of
734     //MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
735     //GNU General Public License for more details.
736     //
737     //The GNU General Public License is reproduced below, and also is
738     //available at http://www.gnu.org/licenses/.
739     //--------------------------------------------------------------------------------
740     // GNU GENERAL PUBLIC LICENSE
741     // Version 3, 29 June 2007
742     //
743     // Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
744     // Everyone is permitted to copy and distribute verbatim copies
745     // of this license document, but changing it is not allowed.
746     //
747     // Preamble
748     //
749     // The GNU General Public License is a free, copyleft license for
750     // software and other kinds of works.
751     //
752     // The licenses for most software and other practical works are designed
753     // to take away your freedom to share and change the works. By contrast,
754     // the GNU General Public License is intended to guarantee your freedom to
755     // share and change all versions of a program--to make sure it remains free
756     // software for all its users. We, the Free Software Foundation, use the
757     // GNU General Public License for most of our software; it applies also to
758     // any other work released this way by its authors. You can apply it to
759     // your programs, too.
760     //
761     // When we speak of free software, we are referring to freedom, not
762     // price. Our General Public Licenses are designed to make sure that you
763     // have the freedom to distribute copies of free software (and charge for
764     // them if you wish), that you receive source code or can get it if you
765     // want it, that you can change the software or use pieces of it in new
766     // free programs, and that you know you can do these things.
767     //
768     // To protect your rights, we need to prevent others from denying you
769     // these rights or asking you to surrender the rights. Therefore, you have
770     // certain responsibilities if you distribute copies of the software, or if
771     // you modify it: responsibilities to respect the freedom of others.
772     //
773     // For example, if you distribute copies of such a program, whether
774     // gratis or for a fee, you must pass on to the recipients the same
775     // freedoms that you received. You must make sure that they, too, receive
776     // or can get the source code. And you must show them these terms so they
777     // know their rights.
778     //
779     // Developers that use the GNU GPL protect your rights with two steps:
780     // (1) assert copyright on the software, and (2) offer you this License
781     // giving you legal permission to copy, distribute and/or modify it.
782     //
783     // For the developers' and authors' protection, the GPL clearly explains
784     // that there is no warranty for this free software. For both users' and
785     // authors' sake, the GPL requires that modified versions be marked as
786     // changed, so that their problems will not be attributed erroneously to
787     // authors of previous versions.
788     //
789     // Some devices are designed to deny users access to install or run
790     // modified versions of the software inside them, although the manufacturer
791     // can do so. This is fundamentally incompatible with the aim of
792     // protecting users' freedom to change the software. The systematic
793     // pattern of such abuse occurs in the area of products for individuals to
794     // use, which is precisely where it is most unacceptable. Therefore, we
795     // have designed this version of the GPL to prohibit the practice for those
796     // products. If such problems arise substantially in other domains, we
797     // stand ready to extend this provision to those domains in future versions
798     // of the GPL, as needed to protect the freedom of users.
799     //
800     // Finally, every program is threatened constantly by software patents.
801     // States should not allow patents to restrict development and use of
802     // software on general-purpose computers, but in those that do, we wish to
803     // avoid the special danger that patents applied to a free program could
804     // make it effectively proprietary. To prevent this, the GPL assures that
805     // patents cannot be used to render the program non-free.
806     //
807     // The precise terms and conditions for copying, distribution and
808     // modification follow.
809     //
810     // TERMS AND CONDITIONS
811     //
812     // 0. Definitions.
813     //
814     // "This License" refers to version 3 of the GNU General Public License.
815     //
816     // "Copyright" also means copyright-like laws that apply to other kinds of
817     // works, such as semiconductor masks.
818     //
819     // "The Program" refers to any copyrightable work licensed under this
820     // License. Each licensee is addressed as "you". "Licensees" and
821     // "recipients" may be individuals or organizations.
822     //
823     // To "modify" a work means to copy from or adapt all or part of the work
824     // in a fashion requiring copyright permission, other than the making of an
825     // exact copy. The resulting work is called a "modified version" of the
826     // earlier work or a work "based on" the earlier work.
827     //
828     // A "covered work" means either the unmodified Program or a work based
829     // on the Program.
830     //
831     // To "propagate" a work means to do anything with it that, without
832     // permission, would make you directly or secondarily liable for
833     // infringement under applicable copyright law, except executing it on a
834     // computer or modifying a private copy. Propagation includes copying,
835     // distribution (with or without modification), making available to the
836     // public, and in some countries other activities as well.
837     //
838     // To "convey" a work means any kind of propagation that enables other
839     // parties to make or receive copies. Mere interaction with a user through
840     // a computer network, with no transfer of a copy, is not conveying.
841     //
842     // An interactive user interface displays "Appropriate Legal Notices"
843     // to the extent that it includes a convenient and prominently visible
844     // feature that (1) displays an appropriate copyright notice, and (2)
845     // tells the user that there is no warranty for the work (except to the
846     // extent that warranties are provided), that licensees may convey the
847     // work under this License, and how to view a copy of this License. If
848     // the interface presents a list of user commands or options, such as a
849     // menu, a prominent item in the list meets this criterion.
850     //
851     // 1. Source Code.
852     //
853     // The "source code" for a work means the preferred form of the work
854     // for making modifications to it. "Object code" means any non-source
855     // form of a work.
856     //
857     // A "Standard Interface" means an interface that either is an official
858     // standard defined by a recognized standards body, or, in the case of
859     // interfaces specified for a particular programming language, one that
860     // is widely used among developers working in that language.
861     //
862     // The "System Libraries" of an executable work include anything, other
863     // than the work as a whole, that (a) is included in the normal form of
864     // packaging a Major Component, but which is not part of that Major
865     // Component, and (b) serves only to enable use of the work with that
866     // Major Component, or to implement a Standard Interface for which an
867     // implementation is available to the public in source code form. A
868     // "Major Component", in this context, means a major essential component
869     // (kernel, window system, and so on) of the specific operating system
870     // (if any) on which the executable work runs, or a compiler used to
871     // produce the work, or an object code interpreter used to run it.
872     //
873     // The "Corresponding Source" for a work in object code form means all
874     // the source code needed to generate, install, and (for an executable
875     // work) run the object code and to modify the work, including scripts to
876     // control those activities. However, it does not include the work's
877     // System Libraries, or general-purpose tools or generally available free
878     // programs which are used unmodified in performing those activities but
879     // which are not part of the work. For example, Corresponding Source
880     // includes interface definition files associated with source files for
881     // the work, and the source code for shared libraries and dynamically
882     // linked subprograms that the work is specifically designed to require,
883     // such as by intimate data communication or control flow between those
884     // subprograms and other parts of the work.
885     //
886     // The Corresponding Source need not include anything that users
887     // can regenerate automatically from other parts of the Corresponding
888     // Source.
889     //
890     // The Corresponding Source for a work in source code form is that
891     // same work.
892     //
893     // 2. Basic Permissions.
894     //
895     // All rights granted under this License are granted for the term of
896     // copyright on the Program, and are irrevocable provided the stated
897     // conditions are met. This License explicitly affirms your unlimited
898     // permission to run the unmodified Program. The output from running a
899     // covered work is covered by this License only if the output, given its
900     // content, constitutes a covered work. This License acknowledges your
901     // rights of fair use or other equivalent, as provided by copyright law.
902     //
903     // You may make, run and propagate covered works that you do not
904     // convey, without conditions so long as your license otherwise remains
905     // in force. You may convey covered works to others for the sole purpose
906     // of having them make modifications exclusively for you, or provide you
907     // with facilities for running those works, provided that you comply with
908     // the terms of this License in conveying all material for which you do
909     // not control copyright. Those thus making or running the covered works
910     // for you must do so exclusively on your behalf, under your direction
911     // and control, on terms that prohibit them from making any copies of
912     // your copyrighted material outside their relationship with you.
913     //
914     // Conveying under any other circumstances is permitted solely under
915     // the conditions stated below. Sublicensing is not allowed; section 10
916     // makes it unnecessary.
917     //
918     // 3. Protecting Users' Legal Rights From Anti-Circumvention Law.
919     //
920     // No covered work shall be deemed part of an effective technological
921     // measure under any applicable law fulfilling obligations under article
922     // 11 of the WIPO copyright treaty adopted on 20 December 1996, or
923     // similar laws prohibiting or restricting circumvention of such
924     // measures.
925     //
926     // When you convey a covered work, you waive any legal power to forbid
927     // circumvention of technological measures to the extent such circumvention
928     // is effected by exercising rights under this License with respect to
929     // the covered work, and you disclaim any intention to limit operation or
930     // modification of the work as a means of enforcing, against the work's
931     // users, your or third parties' legal rights to forbid circumvention of
932     // technological measures.
933     //
934     // 4. Conveying Verbatim Copies.
935     //
936     // You may convey verbatim copies of the Program's source code as you
937     // receive it, in any medium, provided that you conspicuously and
938     // appropriately publish on each copy an appropriate copyright notice;
939     // keep intact all notices stating that this License and any
940     // non-permissive terms added in accord with section 7 apply to the code;
941     // keep intact all notices of the absence of any warranty; and give all
942     // recipients a copy of this License along with the Program.
943     //
944     // You may charge any price or no price for each copy that you convey,
945     // and you may offer support or warranty protection for a fee.
946     //
947     // 5. Conveying Modified Source Versions.
948     //
949     // You may convey a work based on the Program, or the modifications to
950     // produce it from the Program, in the form of source code under the
951     // terms of section 4, provided that you also meet all of these conditions:
952     //
953     // a) The work must carry prominent notices stating that you modified
954     // it, and giving a relevant date.
955     //
956     // b) The work must carry prominent notices stating that it is
957     // released under this License and any conditions added under section
958     // 7. This requirement modifies the requirement in section 4 to
959     // "keep intact all notices".
960     //
961     // c) You must license the entire work, as a whole, under this
962     // License to anyone who comes into possession of a copy. This
963     // License will therefore apply, along with any applicable section 7
964     // additional terms, to the whole of the work, and all its parts,
965     // regardless of how they are packaged. This License gives no
966     // permission to license the work in any other way, but it does not
967     // invalidate such permission if you have separately received it.
968     //
969     // d) If the work has interactive user interfaces, each must display
970     // Appropriate Legal Notices; however, if the Program has interactive
971     // interfaces that do not display Appropriate Legal Notices, your
972     // work need not make them do so.
973     //
974     // A compilation of a covered work with other separate and independent
975     // works, which are not by their nature extensions of the covered work,
976     // and which are not combined with it such as to form a larger program,
977     // in or on a volume of a storage or distribution medium, is called an
978     // "aggregate" if the compilation and its resulting copyright are not
979     // used to limit the access or legal rights of the compilation's users
980     // beyond what the individual works permit. Inclusion of a covered work
981     // in an aggregate does not cause this License to apply to the other
982     // parts of the aggregate.
983     //
984     // 6. Conveying Non-Source Forms.
985     //
986     // You may convey a covered work in object code form under the terms
987     // of sections 4 and 5, provided that you also convey the
988     // machine-readable Corresponding Source under the terms of this License,
989     // in one of these ways:
990     //
991     // a) Convey the object code in, or embodied in, a physical product
992     // (including a physical distribution medium), accompanied by the
993     // Corresponding Source fixed on a durable physical medium
994     // customarily used for software interchange.
995     //
996     // b) Convey the object code in, or embodied in, a physical product
997     // (including a physical distribution medium), accompanied by a
998     // written offer, valid for at least three years and valid for as
999     // long as you offer spare parts or customer support for that product
1000     // model, to give anyone who possesses the object code either (1) a
1001     // copy of the Corresponding Source for all the software in the
1002     // product that is covered by this License, on a durable physical
1003     // medium customarily used for software interchange, for a price no
1004     // more than your reasonable cost of physically performing this
1005     // conveying of source, or (2) access to copy the
1006     // Corresponding Source from a network server at no charge.
1007     //
1008     // c) Convey individual copies of the object code with a copy of the
1009     // written offer to provide the Corresponding Source. This
1010     // alternative is allowed only occasionally and noncommercially, and
1011     // only if you received the object code with such an offer, in accord
1012     // with subsection 6b.
1013     //
1014     // d) Convey the object code by offering access from a designated
1015     // place (gratis or for a charge), and offer equivalent access to the
1016     // Corresponding Source in the same way through the same place at no
1017     // further charge. You need not require recipients to copy the
1018     // Corresponding Source along with the object code. If the place to
1019     // copy the object code is a network server, the Corresponding Source
1020     // may be on a different server (operated by you or a third party)
1021     // that supports equivalent copying facilities, provided you maintain
1022     // clear directions next to the object code saying where to find the
1023     // Corresponding Source. Regardless of what server hosts the
1024     // Corresponding Source, you remain obligated to ensure that it is
1025     // available for as long as needed to satisfy these requirements.
1026     //
1027     // e) Convey the object code using peer-to-peer transmission, provided
1028     // you inform other peers where the object code and Corresponding
1029     // Source of the work are being offered to the general public at no
1030     // charge under subsection 6d.
1031     //
1032     // A separable portion of the object code, whose source code is excluded
1033     // from the Corresponding Source as a System Library, need not be
1034     // included in conveying the object code work.
1035     //
1036     // A "User Product" is either (1) a "consumer product", which means any
1037     // tangible personal property which is normally used for personal, family,
1038     // or household purposes, or (2) anything designed or sold for incorporation
1039     // into a dwelling. In determining whether a product is a consumer product,
1040     // doubtful cases shall be resolved in favor of coverage. For a particular
1041     // product received by a particular user, "normally used" refers to a
1042     // typical or common use of that class of product, regardless of the status
1043     // of the particular user or of the way in which the particular user
1044     // actually uses, or expects or is expected to use, the product. A product
1045     // is a consumer product regardless of whether the product has substantial
1046     // commercial, industrial or non-consumer uses, unless such uses represent
1047     // the only significant mode of use of the product.
1048     //
1049     // "Installation Information" for a User Product means any methods,
1050     // procedures, authorization keys, or other information required to install
1051     // and execute modified versions of a covered work in that User Product from
1052     // a modified version of its Corresponding Source. The information must
1053     // suffice to ensure that the continued functioning of the modified object
1054     // code is in no case prevented or interfered with solely because
1055     // modification has been made.
1056     //
1057     // If you convey an object code work under this section in, or with, or
1058     // specifically for use in, a User Product, and the conveying occurs as
1059     // part of a transaction in which the right of possession and use of the
1060     // User Product is transferred to the recipient in perpetuity or for a
1061     // fixed term (regardless of how the transaction is characterized), the
1062     // Corresponding Source conveyed under this section must be accompanied
1063     // by the Installation Information. But this requirement does not apply
1064     // if neither you nor any third party retains the ability to install
1065     // modified object code on the User Product (for example, the work has
1066     // been installed in ROM).
1067     //
1068     // The requirement to provide Installation Information does not include a
1069     // requirement to continue to provide support service, warranty, or updates
1070     // for a work that has been modified or installed by the recipient, or for
1071     // the User Product in which it has been modified or installed. Access to a
1072     // network may be denied when the modification itself materially and
1073     // adversely affects the operation of the network or violates the rules and
1074     // protocols for communication across the network.
1075     //
1076     // Corresponding Source conveyed, and Installation Information provided,
1077     // in accord with this section must be in a format that is publicly
1078     // documented (and with an implementation available to the public in
1079     // source code form), and must require no special password or key for
1080     // unpacking, reading or copying.
1081     //
1082     // 7. Additional Terms.
1083     //
1084     // "Additional permissions" are terms that supplement the terms of this
1085     // License by making exceptions from one or more of its conditions.
1086     // Additional permissions that are applicable to the entire Program shall
1087     // be treated as though they were included in this License, to the extent
1088     // that they are valid under applicable law. If additional permissions
1089     // apply only to part of the Program, that part may be used separately
1090     // under those permissions, but the entire Program remains governed by
1091     // this License without regard to the additional permissions.
1092     //
1093     // When you convey a copy of a covered work, you may at your option
1094     // remove any additional permissions from that copy, or from any part of
1095     // it. (Additional permissions may be written to require their own
1096     // removal in certain cases when you modify the work.) You may place
1097     // additional permissions on material, added by you to a covered work,
1098     // for which you have or can give appropriate copyright permission.
1099     //
1100     // Notwithstanding any other provision of this License, for material you
1101     // add to a covered work, you may (if authorized by the copyright holders of
1102     // that material) supplement the terms of this License with terms:
1103     //
1104     // a) Disclaiming warranty or limiting liability differently from the
1105     // terms of sections 15 and 16 of this License; or
1106     //
1107     // b) Requiring preservation of specified reasonable legal notices or
1108     // author attributions in that material or in the Appropriate Legal
1109     // Notices displayed by works containing it; or
1110     //
1111     // c) Prohibiting misrepresentation of the origin of that material, or
1112     // requiring that modified versions of such material be marked in
1113     // reasonable ways as different from the original version; or
1114     //
1115     // d) Limiting the use for publicity purposes of names of licensors or
1116     // authors of the material; or
1117     //
1118     // e) Declining to grant rights under trademark law for use of some
1119     // trade names, trademarks, or service marks; or
1120     //
1121     // f) Requiring indemnification of licensors and authors of that
1122     // material by anyone who conveys the material (or modified versions of
1123     // it) with contractual assumptions of liability to the recipient, for
1124     // any liability that these contractual assumptions directly impose on
1125     // those licensors and authors.
1126     //
1127     // All other non-permissive additional terms are considered "further
1128     // restrictions" within the meaning of section 10. If the Program as you
1129     // received it, or any part of it, contains a notice stating that it is
1130     // governed by this License along with a term that is a further
1131     // restriction, you may remove that term. If a license document contains
1132     // a further restriction but permits relicensing or conveying under this
1133     // License, you may add to a covered work material governed by the terms
1134     // of that license document, provided that the further restriction does
1135     // not survive such relicensing or conveying.
1136     //
1137     // If you add terms to a covered work in accord with this section, you
1138     // must place, in the relevant source files, a statement of the
1139     // additional terms that apply to those files, or a notice indicating
1140     // where to find the applicable terms.
1141     //
1142     // Additional terms, permissive or non-permissive, may be stated in the
1143     // form of a separately written license, or stated as exceptions;
1144     // the above requirements apply either way.
1145     //
1146     // 8. Termination.
1147     //
1148     // You may not propagate or modify a covered work except as expressly
1149     // provided under this License. Any attempt otherwise to propagate or
1150     // modify it is void, and will automatically terminate your rights under
1151     // this License (including any patent licenses granted under the third
1152     // paragraph of section 11).
1153     //
1154     // However, if you cease all violation of this License, then your
1155     // license from a particular copyright holder is reinstated (a)
1156     // provisionally, unless and until the copyright holder explicitly and
1157     // finally terminates your license, and (b) permanently, if the copyright
1158     // holder fails to notify you of the violation by some reasonable means
1159     // prior to 60 days after the cessation.
1160     //
1161     // Moreover, your license from a particular copyright holder is
1162     // reinstated permanently if the copyright holder notifies you of the
1163     // violation by some reasonable means, this is the first time you have
1164     // received notice of violation of this License (for any work) from that
1165     // copyright holder, and you cure the violation prior to 30 days after
1166     // your receipt of the notice.
1167     //
1168     // Termination of your rights under this section does not terminate the
1169     // licenses of parties who have received copies or rights from you under
1170     // this License. If your rights have been terminated and not permanently
1171     // reinstated, you do not qualify to receive new licenses for the same
1172     // material under section 10.
1173     //
1174     // 9. Acceptance Not Required for Having Copies.
1175     //
1176     // You are not required to accept this License in order to receive or
1177     // run a copy of the Program. Ancillary propagation of a covered work
1178     // occurring solely as a consequence of using peer-to-peer transmission
1179     // to receive a copy likewise does not require acceptance. However,
1180     // nothing other than this License grants you permission to propagate or
1181     // modify any covered work. These actions infringe copyright if you do
1182     // not accept this License. Therefore, by modifying or propagating a
1183     // covered work, you indicate your acceptance of this License to do so.
1184     //
1185     // 10. Automatic Licensing of Downstream Recipients.
1186     //
1187     // Each time you convey a covered work, the recipient automatically
1188     // receives a license from the original licensors, to run, modify and
1189     // propagate that work, subject to this License. You are not responsible
1190     // for enforcing compliance by third parties with this License.
1191     //
1192     // An "entity transaction" is a transaction transferring control of an
1193     // organization, or substantially all assets of one, or subdividing an
1194     // organization, or merging organizations. If propagation of a covered
1195     // work results from an entity transaction, each party to that
1196     // transaction who receives a copy of the work also receives whatever
1197     // licenses to the work the party's predecessor in interest had or could
1198     // give under the previous paragraph, plus a right to possession of the
1199     // Corresponding Source of the work from the predecessor in interest, if
1200     // the predecessor has it or can get it with reasonable efforts.
1201     //
1202     // You may not impose any further restrictions on the exercise of the
1203     // rights granted or affirmed under this License. For example, you may
1204     // not impose a license fee, royalty, or other charge for exercise of
1205     // rights granted under this License, and you may not initiate litigation
1206     // (including a cross-claim or counterclaim in a lawsuit) alleging that
1207     // any patent claim is infringed by making, using, selling, offering for
1208     // sale, or importing the Program or any portion of it.
1209     //
1210     // 11. Patents.
1211     //
1212     // A "contributor" is a copyright holder who authorizes use under this
1213     // License of the Program or a work on which the Program is based. The
1214     // work thus licensed is called the contributor's "contributor version".
1215     //
1216     // A contributor's "essential patent claims" are all patent claims
1217     // owned or controlled by the contributor, whether already acquired or
1218     // hereafter acquired, that would be infringed by some manner, permitted
1219     // by this License, of making, using, or selling its contributor version,
1220     // but do not include claims that would be infringed only as a
1221     // consequence of further modification of the contributor version. For
1222     // purposes of this definition, "control" includes the right to grant
1223     // patent sublicenses in a manner consistent with the requirements of
1224     // this License.
1225     //
1226     // Each contributor grants you a non-exclusive, worldwide, royalty-free
1227     // patent license under the contributor's essential patent claims, to
1228     // make, use, sell, offer for sale, import and otherwise run, modify and
1229     // propagate the contents of its contributor version.
1230     //
1231     // In the following three paragraphs, a "patent license" is any express
1232     // agreement or commitment, however denominated, not to enforce a patent
1233     // (such as an express permission to practice a patent or covenant not to
1234     // sue for patent infringement). To "grant" such a patent license to a
1235     // party means to make such an agreement or commitment not to enforce a
1236     // patent against the party.
1237     //
1238     // If you convey a covered work, knowingly relying on a patent license,
1239     // and the Corresponding Source of the work is not available for anyone
1240     // to copy, free of charge and under the terms of this License, through a
1241     // publicly available network server or other readily accessible means,
1242     // then you must either (1) cause the Corresponding Source to be so
1243     // available, or (2) arrange to deprive yourself of the benefit of the
1244     // patent license for this particular work, or (3) arrange, in a manner
1245     // consistent with the requirements of this License, to extend the patent
1246     // license to downstream recipients. "Knowingly relying" means you have
1247     // actual knowledge that, but for the patent license, your conveying the
1248     // covered work in a country, or your recipient's use of the covered work
1249     // in a country, would infringe one or more identifiable patents in that
1250     // country that you have reason to believe are valid.
1251     //
1252     // If, pursuant to or in connection with a single transaction or
1253     // arrangement, you convey, or propagate by procuring conveyance of, a
1254     // covered work, and grant a patent license to some of the parties
1255     // receiving the covered work authorizing them to use, propagate, modify
1256     // or convey a specific copy of the covered work, then the patent license
1257     // you grant is automatically extended to all recipients of the covered
1258     // work and works based on it.
1259     //
1260     // A patent license is "discriminatory" if it does not include within
1261     // the scope of its coverage, prohibits the exercise of, or is
1262     // conditioned on the non-exercise of one or more of the rights that are
1263     // specifically granted under this License. You may not convey a covered
1264     // work if you are a party to an arrangement with a third party that is
1265     // in the business of distributing software, under which you make payment
1266     // to the third party based on the extent of your activity of conveying
1267     // the work, and under which the third party grants, to any of the
1268     // parties who would receive the covered work from you, a discriminatory
1269     // patent license (a) in connection with copies of the covered work
1270     // conveyed by you (or copies made from those copies), or (b) primarily
1271     // for and in connection with specific products or compilations that
1272     // contain the covered work, unless you entered into that arrangement,
1273     // or that patent license was granted, prior to 28 March 2007.
1274     //
1275     // Nothing in this License shall be construed as excluding or limiting
1276     // any implied license or other defenses to infringement that may
1277     // otherwise be available to you under applicable patent law.
1278     //
1279     // 12. No Surrender of Others' Freedom.
1280     //
1281     // If conditions are imposed on you (whether by court order, agreement or
1282     // otherwise) that contradict the conditions of this License, they do not
1283     // excuse you from the conditions of this License. If you cannot convey a
1284     // covered work so as to satisfy simultaneously your obligations under this
1285     // License and any other pertinent obligations, then as a consequence you may
1286     // not convey it at all. For example, if you agree to terms that obligate you
1287     // to collect a royalty for further conveying from those to whom you convey
1288     // the Program, the only way you could satisfy both those terms and this
1289     // License would be to refrain entirely from conveying the Program.
1290     //
1291     // 13. Use with the GNU Affero General Public License.
1292     //
1293     // Notwithstanding any other provision of this License, you have
1294     // permission to link or combine any covered work with a work licensed
1295     // under version 3 of the GNU Affero General Public License into a single
1296     // combined work, and to convey the resulting work. The terms of this
1297     // License will continue to apply to the part which is the covered work,
1298     // but the special requirements of the GNU Affero General Public License,
1299     // section 13, concerning interaction through a network will apply to the
1300     // combination as such.
1301     //
1302     // 14. Revised Versions of this License.
1303     //
1304     // The Free Software Foundation may publish revised and/or new versions of
1305     // the GNU General Public License from time to time. Such new versions will
1306     // be similar in spirit to the present version, but may differ in detail to
1307     // address new problems or concerns.
1308     //
1309     // Each version is given a distinguishing version number. If the
1310     // Program specifies that a certain numbered version of the GNU General
1311     // Public License "or any later version" applies to it, you have the
1312     // option of following the terms and conditions either of that numbered
1313     // version or of any later version published by the Free Software
1314     // Foundation. If the Program does not specify a version number of the
1315     // GNU General Public License, you may choose any version ever published
1316     // by the Free Software Foundation.
1317     //
1318     // If the Program specifies that a proxy can decide which future
1319     // versions of the GNU General Public License can be used, that proxy's
1320     // public statement of acceptance of a version permanently authorizes you
1321     // to choose that version for the Program.
1322     //
1323     // Later license versions may give you additional or different
1324     // permissions. However, no additional obligations are imposed on any
1325     // author or copyright holder as a result of your choosing to follow a
1326     // later version.
1327     //
1328     // 15. Disclaimer of Warranty.
1329     //
1330     // THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
1331     // APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
1332     // HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
1333     // OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
1334     // THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
1335     // PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
1336     // IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
1337     // ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
1338     //
1339     // 16. Limitation of Liability.
1340     //
1341     // IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
1342     // WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
1343     // THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
1344     // GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
1345     // USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
1346     // DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
1347     // PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
1348     // EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
1349     // SUCH DAMAGES.
1350     //
1351     // 17. Interpretation of Sections 15 and 16.
1352     //
1353     // If the disclaimer of warranty and limitation of liability provided
1354     // above cannot be given local legal effect according to their terms,
1355     // reviewing courts shall apply local law that most closely approximates
1356     // an absolute waiver of all civil liability in connection with the
1357     // Program, unless a warranty or assumption of liability accompanies a
1358     // copy of the Program in return for a fee.
1359     //--------------------------------------------------------------------------------
1360     <?php
1361     require_once "sections.inc";
1362     //
1363     //Defines standard formats.
1364     //
1365     //Does the standard header.
1366     //
1367     function GBL_STF_header($section_index_in)
1368     {
1369     echo "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n";
1370     echo "<html>\n";
1371     echo "<head>\n";
1372     echo " <meta http-equiv=\"Content-type\" content=\"text/html;charset=UTF-8\">\n";
1373     echo " <title>";
1374    
1375     if ($section_index_in !== FALSE)
1376     {
1377     echo GBL_SEC_sectionlist_get_plain_title_from_index($section_index_in) . GBL_SEC_uc_string($section_index_in);
1378     }
1379     else
1380     {
1381     echo "??????????";
1382     }
1383    
1384     echo "</title>\n";
1385    
1386     echo "</head>\n";
1387     echo "<body background=\"/bkgnds/bk_garlic.jpg\">\n";
1388     GBL_STF_std_nav_panel($section_index_in);
1389     echo "<hr>\n";
1390     echo "<p align=\"center\">\n";
1391     echo " <font size=\"5\">\n";
1392     echo " <b>\n";
1393     echo " " . GBL_SEC_sectionlist_get_html_rich_title_from_index($section_index_in) . GBL_SEC_uc_string($section_index_in) . "\n";
1394     echo " </b>\n";
1395     echo " </font>\n";
1396     echo "</p>\n";
1397     echo "<hr>\n";
1398     }
1399     //
1400     //
1401     //Does the standard footer. This involves time and so forth.
1402     //
1403     function GBL_STF_footer()
1404     {
1405     echo "<hr>\n";
1406     echo "<p align=\"center\" style=\"margin-top: -3; margin-bottom: -1\">\n";
1407     echo " <font size=\"2\">This web page is maintained by <a href=\"mailto:dashley@gmail.com\">David T. Ashley</a>.&nbsp;\n";
1408     echo " Local time on this server (at the time the page was served) is\n";
1409     $timestamp = time();
1410     $timestring = date("H:i:s (", $timestamp) . "GMT" . date("O) \o\\n F j, Y.", $timestamp);
1411     echo " " . $timestring . "\n";
1412     echo " </font>\n";
1413     echo "</p>\n";
1414     echo "<hr noshade size=\"5\">\n";
1415     echo "</body>\n";
1416     echo "</html>\n";
1417     }
1418     //
1419     //
1420     //Does the standard navigation panel as a function of the index of the current
1421     //item.
1422     //
1423     function GBL_STF_std_nav_panel($index_in)
1424     {
1425     //Get all the relevant information as a function of the
1426     //index.
1427     GBL_SEC_get_nav_info_by_index( $index_in,
1428     $prev_idx,
1429     $prev_is_uc,
1430     $prev_link,
1431     $prev_plain_title,
1432     $prev_rich_title,
1433     $up_idx,
1434     $up_is_uc,
1435     $up_link,
1436     $up_plain_title,
1437     $up_rich_title,
1438     $next_idx,
1439     $next_is_uc,
1440     $next_link,
1441     $next_plain_title,
1442     $next_rich_title);
1443    
1444     echo "<table align=\"center\" width=\"100%\">\n";
1445    
1446     //Row containing navigation arrows.
1447     echo " <tr>\n";
1448    
1449     //Left navigation arrow, only if there is a valid previous.
1450     echo " <td align=\"left\" width=\"33%\">\n";
1451     if ($prev_idx !== FALSE)
1452     {
1453     //There is a valid previous.
1454     echo " <a href=\""
1455     . $prev_link
1456     . "\"><img src=\"/graphics/arrow_thumb_w.png\">"
1457     . "</a>"
1458     . "\n";
1459     }
1460     else
1461     {
1462     //Nothing to do here. The cell is unpopulated.
1463     }
1464     echo " </td>\n";
1465    
1466     //Up navigation arrow. If there is a valid parent, points to that. Else points
1467     //to table of contents.
1468     echo " <td align=\"center\" width=\"34%\">\n";
1469     if ($up_idx !== FALSE)
1470     {
1471     //There is a valid parent.
1472     echo " <a href=\""
1473     . $up_link
1474     . "\"><img src=\"/graphics/arrow_thumb_n.png\">"
1475     . "</a>"
1476     . "\n";
1477     }
1478     else
1479     {
1480     //There isn't a valid parent, so we point to the table of contents.
1481     echo " <a href=\""
1482     . "/"
1483     . "\"><img src=\"/graphics/arrow_thumb_n.png\">"
1484     . "</a>"
1485     . "\n";
1486     }
1487     echo " </td>\n";
1488    
1489     //Right navigation arrow, only if there is a valid next.
1490     echo " <td align=\"right\" width=\"33%\">\n";
1491     if ($next_idx !== FALSE)
1492     {
1493     //There is a valid next.
1494     echo " <a href=\""
1495     . $next_link
1496     . "\"><img src=\"/graphics/arrow_thumb_e.png\">"
1497     . "</a>"
1498     . "\n";
1499     }
1500     else
1501     {
1502     //Nothing to do here. The cell is unpopulated.
1503     }
1504     echo " </td>\n";
1505    
1506     //End of table row containing arrows.
1507     echo " </tr>\n";
1508    
1509     //Do the "previous" text, if applicable.
1510     echo " <td align=\"left\" width=\"33%\">\n";
1511     if ($prev_idx !== FALSE)
1512     {
1513     //There is a valid previous.
1514     echo " <a href=\""
1515     . $prev_link
1516     . "\">"
1517     . "<i>Previous:</i>&nbsp; "
1518     . $prev_plain_title
1519     . ($prev_is_uc ? " (Under Construction)" : "")
1520     . "</a>"
1521     . "\n";
1522     }
1523     else
1524     {
1525     //Nothing to do here. The cell is unpopulated.
1526     }
1527     echo " </td>\n";
1528    
1529     //Do the "up" text, if applicable.
1530     echo " <td align=\"center\" width=\"34%\">\n";
1531     if ($up_idx !== FALSE)
1532     {
1533     //There is a valid parent.
1534     echo " <a href=\""
1535     . $up_link
1536     . "\">"
1537     . "<i>Up:</i>&nbsp; "
1538     . $up_plain_title
1539     . ($up_is_uc ? " (Under Construction)" : "")
1540     . "</a>"
1541     . "\n";
1542     }
1543     else
1544     {
1545     //No parent. Must do table of contents.
1546     echo " <a href=\"/\"><i>Up:</i>&nbsp; Table of Contents</a>\n";
1547     }
1548     echo " </td>\n";
1549    
1550     //Do the "next" text, if applicable.
1551     echo " <td align=\"right\" width=\"33%\">\n";
1552     if ($next_idx !== FALSE)
1553     {
1554     //There is a valid previous.
1555     echo " <a href=\""
1556     . $next_link
1557     . "\">"
1558     . "<i>Next:</i>&nbsp; "
1559     . $next_plain_title
1560     . ($next_is_uc ? " (Under Construction)" : "")
1561     . "</a>"
1562     . "\n";
1563     }
1564     else
1565     {
1566     //Nothing to do here. The cell is unpopulated.
1567     }
1568     echo " </td>\n";
1569    
1570    
1571     //End of table.
1572     echo "</table>\n";
1573     }
1574     ?>

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