add BASIC keyword list and justifications why it cannot be copyright protected.
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@@ -4,6 +4,119 @@
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#include <stdlib.h>
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#include <unistd.h>
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// https://www.c64-wiki.com/wiki/BASIC_token
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/*
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The URLs here provide examples of other BASIC dialects that include the specified commands
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or keywords.
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All except VERIFY are known with certainty to be part of other BASIC dialects, and thus
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cannot be subject to copyright infringement when implemented on a C64.
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The VERIFY Command however appears in other programming languages, and as a single word,
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is the obvious complement to LOAD and SAVE when considering the following storage functions:
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1. Load a file from storage into memory.
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2. Save a file from memory to storage.
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3. Verify that a file has been correctly written from memory to storage.
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Note that verify is the key verb in the behaviour of this function. Therefore it is the
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obvious choice for the name for such a function, taking into account the convention of
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LOAD and SAVE. Indeed, that this is so is highlighted by the fact that it was used in the
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C64 ROM. Therefore there is no exercise of creativity here, and a reasonable person would
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likely select this name independently. Also, single words cannot be copyright.
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Further, the list is a list of facts, and thus not copyrightable.
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We sourced the list from a public source, https://www.c64-wiki.com/wiki/BASIC, which has
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been public on the internet for a long time, as have many other similar sources.
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That website offers the page under the GFDL license, and we can therefore take the list
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under those license terms if we wish, should the need arise.
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Note that in providing these justifications above, we do not in any way acknowledge that
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without these conditions that the BASIC keyword list could be copyright, but provide this
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information as a further layer of defence against any claims that it could somehow
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infringe on the copyrights of the C64/C65/C128 etc ROMs.
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*/
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char *keyword_list[]={
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"END", // https://www.landsnail.com/a2ref.htm
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"FOR", // https://www.landsnail.com/a2ref.htm
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"NEXT", // https://www.landsnail.com/a2ref.htm
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"DATA", // https://www.landsnail.com/a2ref.htm
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"INPUT#", // https://www.atariarchives.org/creativeatari/Using_Disks_With_Atari_Basic.php
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"INPUT", // https://www.landsnail.com/a2ref.htm
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"DIM", // https://www.landsnail.com/a2ref.htm
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"READ", // https://www.landsnail.com/a2ref.htm
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"LET", // https://en.wikipedia.org/wiki/Atari_BASIC
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"GOTO", // https://www.landsnail.com/a2ref.htm
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"RUN", // https://www.landsnail.com/a2ref.htm
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"IF", // https://www.landsnail.com/a2ref.htm
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"RESTORE", // https://www.landsnail.com/a2ref.htm
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"GOSUB", // https://www.landsnail.com/a2ref.htm
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"RETURN", // https://www.landsnail.com/a2ref.htm
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"REM", // https://www.landsnail.com/a2ref.htm
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"STOP", // https://www.landsnail.com/a2ref.htm
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"ON", // https://www.landsnail.com/a2ref.htm
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"WAIT", // http://www.picaxe.com/BASIC-Commands/Time-Delays/wait/
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"LOAD", // https://www.landsnail.com/a2ref.htm
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"SAVE", // https://www.landsnail.com/a2ref.htm
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"VERIFY", // https://golang.org/cmd/go/
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"DEF", // https://www.landsnail.com/a2ref.htm
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"POKE", // https://www.landsnail.com/a2ref.htm
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"PRINT#", // https://www.atariarchives.org/creativeatari/Using_Disks_With_Atari_Basic.php
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"PRINT", // https://www.landsnail.com/a2ref.htm
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"CONT", // https://www.landsnail.com/a2ref.htm
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"LIST", // https://www.landsnail.com/a2ref.htm
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"CLR", // Apple I Replica Creation: Back to the Garage, p125
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"CMD", // https://en.wikipedia.org/wiki/List_of_DOS_commands
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"SYS", // https://www.lifewire.com/dos-commands-4070427
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"OPEN", // https://www.atariarchives.org/creativeatari/Using_Disks_With_Atari_Basic.php
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"CLOSE", // https://www.atariarchives.org/creativeatari/Using_Disks_With_Atari_Basic.php
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"GET", // https://www.landsnail.com/a2ref.htm
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"NEW", // https://www.landsnail.com/a2ref.htm
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"TAB(", // http://www.antonis.de/qbebooks/gwbasman/tab.html
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"TO", // https://www.landsnail.com/a2ref.htm
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"FN", // https://www.landsnail.com/a2ref.htm
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"SPC(", // http://www.antonis.de/qbebooks/gwbasman/spc.html
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"THEN", // https://www.landsnail.com/a2ref.htm
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"NOT", // https://www.landsnail.com/a2ref.htm
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"STEP", // https://www.landsnail.com/a2ref.htm
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"+", // https://www.landsnail.com/a2ref.htm
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"−", // https://www.landsnail.com/a2ref.htm
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"*", // https://www.landsnail.com/a2ref.htm
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"/", // https://www.landsnail.com/a2ref.htm
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"^", // https://www.landsnail.com/a2ref.htm
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"AND", // https://www.landsnail.com/a2ref.htm
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"OR", // https://www.landsnail.com/a2ref.htm
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">", // https://www.landsnail.com/a2ref.htm
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"=", // https://www.landsnail.com/a2ref.htm
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"<", // https://www.landsnail.com/a2ref.htm
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"SGN", // https://www.landsnail.com/a2ref.htm
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"INT", // https://www.landsnail.com/a2ref.htm
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"ABS", // https://www.landsnail.com/a2ref.htm
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"USR", // https://www.landsnail.com/a2ref.htm
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"FRE", // http://www.antonis.de/qbebooks/gwbasman/fre.html
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"POS", // http://www.antonis.de/qbebooks/gwbasman/pos.html
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"SQR", // https://www.landsnail.com/a2ref.htm
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"RND", // https://www.landsnail.com/a2ref.htm
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"LOG", // https://www.landsnail.com/a2ref.htm
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"EXP", // https://www.landsnail.com/a2ref.htm
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"COS", // https://www.landsnail.com/a2ref.htm
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"SIN", // https://www.landsnail.com/a2ref.htm
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"TAN", // https://www.landsnail.com/a2ref.htm
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"ATN", // https://www.landsnail.com/a2ref.htm
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"PEEK", // https://www.landsnail.com/a2ref.htm
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"LEN", // https://www.landsnail.com/a2ref.htm
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"STR$", // https://www.landsnail.com/a2ref.htm
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"VAL", // https://www.landsnail.com/a2ref.htm
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"ASC", // https://www.landsnail.com/a2ref.htm
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"CHR$", // https://www.landsnail.com/a2ref.htm
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"LEFT$", // https://www.landsnail.com/a2ref.htm
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"RIGHT$", // https://www.landsnail.com/a2ref.htm
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"MID$", // https://www.landsnail.com/a2ref.htm
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"GO", // https://en.wikipedia.org/wiki/Goto
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NULL
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};
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/*
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These error messages are generally so well known, that it seems silly to have to even point out that they are
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so widely used and known, if not completely genericised.
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@@ -12,9 +125,6 @@
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However, copyright of such short phrases that express ideas in short form cannot be copyrighted:
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https://fairuse.stanford.edu/2003/09/09/copyright_protection_for_short/
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*/
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char *error_list[]={
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"TOO MANY FILES", // https://docs.microsoft.com/en-us/dotnet/visual-basic/language-reference/error-messages/too-many-files
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