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@@ -0,0 +1,74 @@
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+/*
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+ * The MIT License (MIT)
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+ *
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+ * Author: Gildas Lormeau
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+ *
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+ * Permission is hereby granted, free of charge, to any person obtaining a copy
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+ * of this software and associated documentation files (the "Software"), to deal
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+ * in the Software without restriction, including without limitation the rights
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+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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+ * copies of the Software, and to permit persons to whom the Software is
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+ * furnished to do so, subject to the following conditions:
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+
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+ * The above copyright notice and this permission notice shall be included in all
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+ * copies or substantial portions of the Software.
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+
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+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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+ * SOFTWARE.
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+ */
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+
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+// derived from https://github.com/postcss/postcss-selector-parser/blob/master/src/util/unesc.js
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+
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+/*
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+ * The MIT License (MIT)
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+ * Copyright (c) Ben Briggs <beneb.info@gmail.com> (http://beneb.info)
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+ *
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+ * Permission is hereby granted, free of charge, to any person obtaining a copy
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+ * of this software and associated documentation files (the "Software"), to deal
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+ * in the Software without restriction, including without limitation the rights
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+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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+ * copies of the Software, and to permit persons to whom the Software is
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+ * furnished to do so, subject to the following conditions:
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+ *
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+ * The above copyright notice and this permission notice shall be included in
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+ * all copies or substantial portions of the Software.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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+ * THE SOFTWARE.
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+ */
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+
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+this.singlefile.lib.vendor.cssUnescape = this.singlefile.lib.vendor.cssUnescape || (() => {
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+
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+ const whitespace = "[\\x20\\t\\r\\n\\f]";
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+ const unescapeRegExp = new RegExp("\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig");
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+
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+ return {
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+ process: function (str) {
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+ return str.replace(unescapeRegExp, (_, escaped, escapedWhitespace) => {
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+ const high = "0x" + escaped - 0x10000;
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+
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+ // NaN means non-codepoint
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+ // Workaround erroneous numeric interpretation of +"0x"
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+ // eslint-disable-next-line no-self-compare
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+ return high !== high || escapedWhitespace
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+ ? escaped
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+ : high < 0
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+ ? // BMP codepoint
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+ String.fromCharCode(high + 0x10000)
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+ : // Supplemental Plane codepoint (surrogate pair)
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+ String.fromCharCode((high >> 10) | 0xd800, (high & 0x3ff) | 0xdc00);
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+ });
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+ }
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+ };
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+
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+})();
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Gildas