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1 // CodeMirror, copyright (c) by Marijn Haverbeke and others
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2 // Distributed under an MIT license: https://codemirror.net/5/LICENSE
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3
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4 (function(mod) {
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5 if (typeof exports == "object" && typeof module == "object") // CommonJS
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6 mod(require("../../lib/codemirror"));
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7 else if (typeof define == "function" && define.amd) // AMD
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8 define(["../../lib/codemirror"], mod);
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9 else // Plain browser env
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10 mod(CodeMirror);
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11 })(function(CodeMirror) {
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12 "use strict";
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13
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14 CodeMirror.defineMode("sparql", function(config) {
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15 var indentUnit = config.indentUnit;
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16 var curPunc;
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17
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18 function wordRegexp(words) {
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19 return new RegExp("^(?:" + words.join("|") + ")$", "i");
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20 }
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21 var ops = wordRegexp(["str", "lang", "langmatches", "datatype", "bound", "sameterm", "isiri", "isuri",
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22 "iri", "uri", "bnode", "count", "sum", "min", "max", "avg", "sample",
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23 "group_concat", "rand", "abs", "ceil", "floor", "round", "concat", "substr", "strlen",
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24 "replace", "ucase", "lcase", "encode_for_uri", "contains", "strstarts", "strends",
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25 "strbefore", "strafter", "year", "month", "day", "hours", "minutes", "seconds",
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26 "timezone", "tz", "now", "uuid", "struuid", "md5", "sha1", "sha256", "sha384",
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27 "sha512", "coalesce", "if", "strlang", "strdt", "isnumeric", "regex", "exists",
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28 "isblank", "isliteral", "a", "bind"]);
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29 var keywords = wordRegexp(["base", "prefix", "select", "distinct", "reduced", "construct", "describe",
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30 "ask", "from", "named", "where", "order", "limit", "offset", "filter", "optional",
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31 "graph", "by", "asc", "desc", "as", "having", "undef", "values", "group",
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32 "minus", "in", "not", "service", "silent", "using", "insert", "delete", "union",
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33 "true", "false", "with",
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34 "data", "copy", "to", "move", "add", "create", "drop", "clear", "load", "into"]);
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35 var operatorChars = /[*+\-<>=&|\^\/!\?]/;
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36 var PN_CHARS = "[A-Za-z_\\-0-9]";
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37 var PREFIX_START = new RegExp("[A-Za-z]");
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38 var PREFIX_REMAINDER = new RegExp("((" + PN_CHARS + "|\\.)*(" + PN_CHARS + "))?:");
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39
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40 function tokenBase(stream, state) {
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41 var ch = stream.next();
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42 curPunc = null;
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43 if (ch == "$" || ch == "?") {
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44 if(ch == "?" && stream.match(/\s/, false)){
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45 return "operator";
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46 }
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47 stream.match(/^[A-Za-z0-9_\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD][A-Za-z0-9_\u00B7\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u037D\u037F-\u1FFF\u200C-\u200D\u203F-\u2040\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD]*/);
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48 return "variable-2";
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49 }
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50 else if (ch == "<" && !stream.match(/^[\s\u00a0=]/, false)) {
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51 stream.match(/^[^\s\u00a0>]*>?/);
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52 return "atom";
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53 }
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54 else if (ch == "\"" || ch == "'") {
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55 state.tokenize = tokenLiteral(ch);
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56 return state.tokenize(stream, state);
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57 }
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58 else if (/[{}\(\),\.;\[\]]/.test(ch)) {
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59 curPunc = ch;
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60 return "bracket";
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61 }
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62 else if (ch == "#") {
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63 stream.skipToEnd();
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64 return "comment";
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65 }
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66 else if (operatorChars.test(ch)) {
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67 return "operator";
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68 }
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69 else if (ch == ":") {
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70 eatPnLocal(stream);
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71 return "atom";
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72 }
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73 else if (ch == "@") {
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74 stream.eatWhile(/[a-z\d\-]/i);
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75 return "meta";
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76 }
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77 else if (PREFIX_START.test(ch) && stream.match(PREFIX_REMAINDER)) {
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78 eatPnLocal(stream);
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79 return "atom";
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80 }
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81 stream.eatWhile(/[_\w\d]/);
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82 var word = stream.current();
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83 if (ops.test(word))
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84 return "builtin";
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85 else if (keywords.test(word))
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86 return "keyword";
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87 else
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88 return "variable";
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89 }
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90
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91 function eatPnLocal(stream) {
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92 stream.match(/(\.(?=[\w_\-\\%])|[:\w_-]|\\[-\\_~.!$&'()*+,;=/?#@%]|%[a-f\d][a-f\d])+/i);
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93 }
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94
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95 function tokenLiteral(quote) {
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96 return function(stream, state) {
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97 var escaped = false, ch;
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98 while ((ch = stream.next()) != null) {
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99 if (ch == quote && !escaped) {
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100 state.tokenize = tokenBase;
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101 break;
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102 }
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103 escaped = !escaped && ch == "\\";
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104 }
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105 return "string";
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106 };
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107 }
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108
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109 function pushContext(state, type, col) {
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110 state.context = {prev: state.context, indent: state.indent, col: col, type: type};
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111 }
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112 function popContext(state) {
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113 state.indent = state.context.indent;
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114 state.context = state.context.prev;
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115 }
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116
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117 return {
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118 startState: function() {
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119 return {tokenize: tokenBase,
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120 context: null,
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121 indent: 0,
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122 col: 0};
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123 },
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124
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125 token: function(stream, state) {
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126 if (stream.sol()) {
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127 if (state.context && state.context.align == null) state.context.align = false;
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128 state.indent = stream.indentation();
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129 }
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130 if (stream.eatSpace()) return null;
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131 var style = state.tokenize(stream, state);
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132
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133 if (style != "comment" && state.context && state.context.align == null && state.context.type != "pattern") {
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134 state.context.align = true;
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135 }
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136
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137 if (curPunc == "(") pushContext(state, ")", stream.column());
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138 else if (curPunc == "[") pushContext(state, "]", stream.column());
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139 else if (curPunc == "{") pushContext(state, "}", stream.column());
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140 else if (/[\]\}\)]/.test(curPunc)) {
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141 while (state.context && state.context.type == "pattern") popContext(state);
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142 if (state.context && curPunc == state.context.type) {
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143 popContext(state);
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144 if (curPunc == "}" && state.context && state.context.type == "pattern")
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145 popContext(state);
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146 }
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147 }
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148 else if (curPunc == "." && state.context && state.context.type == "pattern") popContext(state);
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149 else if (/atom|string|variable/.test(style) && state.context) {
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150 if (/[\}\]]/.test(state.context.type))
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151 pushContext(state, "pattern", stream.column());
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152 else if (state.context.type == "pattern" && !state.context.align) {
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153 state.context.align = true;
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154 state.context.col = stream.column();
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155 }
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156 }
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157
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158 return style;
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159 },
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160
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161 indent: function(state, textAfter) {
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162 var firstChar = textAfter && textAfter.charAt(0);
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163 var context = state.context;
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164 if (/[\]\}]/.test(firstChar))
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165 while (context && context.type == "pattern") context = context.prev;
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166
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167 var closing = context && firstChar == context.type;
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168 if (!context)
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169 return 0;
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170 else if (context.type == "pattern")
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171 return context.col;
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172 else if (context.align)
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173 return context.col + (closing ? 0 : 1);
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174 else
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175 return context.indent + (closing ? 0 : indentUnit);
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176 },
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177
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178 lineComment: "#"
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179 };
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180 });
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181
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182 CodeMirror.defineMIME("application/sparql-query", "sparql");
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183
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184 });
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