| 1 | /*
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more
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| 3 | * contributor license agreements. See the NOTICE file distributed with
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| 4 | * this work for additional information regarding copyright ownership.
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| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0
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| 6 | * (the "License"); you may not use this file except in compliance with
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| 7 | * the License. You may obtain a copy of the License at
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| 8 | *
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| 9 | * https://www.apache.org/licenses/LICENSE-2.0
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| 10 | *
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| 11 | * Unless required by applicable law or agreed to in writing, software
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 14 | * See the License for the specific language governing permissions and
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| 15 | * limitations under the License.
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| 16 | */
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| 17 |
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| 18 | /* Taken from: http://svn.apache.org/viewvc/commons/proper/lang/trunk/src/java/org/apache/commons/lang/Entities.java?revision=636641 */
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| 19 | package org.openstreetmap.josm.data.validation.util;
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| 20 |
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| 21 | import java.util.HashMap;
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| 22 | import java.util.Map;
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| 23 |
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| 24 | /**
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| 25 | * <p>
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| 26 | * Provides HTML and XML entity utilities.
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| 27 | * </p>
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| 28 | * @see <a href="http://www.w3.org/TR/REC-html32#latin1">HTML 3.2 Character Entities for ISO Latin-1</a>
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| 29 | * @see <a href="http://www.w3.org/TR/REC-html40/sgml/entities.html">HTML 4.0 Character entity references</a>
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| 30 | * @see <a href="http://www.w3.org/TR/html401/charset.html#h-5.3">HTML 4.01 Character References</a>
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| 31 | * @see <a href="http://www.w3.org/TR/html401/charset.html#code-position">HTML 4.01 Code positions</a>
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| 32 | * @since 3669
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| 33 | */
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| 34 | public final class Entities {
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| 35 | private static final String[][] ARRAY = {
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| 36 | /* BASIC */
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| 37 | {"quot", "34"}, // " - double-quote
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| 38 | {"amp", "38"}, // & - ampersand
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| 39 | {"lt", "60"}, // < - less-than
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| 40 | {"gt", "62"}, // > - greater-than
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| 41 | /* XML */
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| 42 | {"apos", "39"}, // XML apostrophe
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| 43 | /* ISO8859_1 */
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| 44 | {"nbsp", "160"}, // non-breaking space
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| 45 | {"iexcl", "161"}, // inverted exclamation mark
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| 46 | {"cent", "162"}, // cent sign
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| 47 | {"pound", "163"}, // pound sign
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| 48 | {"curren", "164"}, // currency sign
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| 49 | {"yen", "165"}, // yen sign = yuan sign
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| 50 | {"brvbar", "166"}, // broken bar = broken vertical bar
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| 51 | {"sect", "167"}, // section sign
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| 52 | {"uml", "168"}, // diaeresis = spacing diaeresis
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| 53 | {"copy", "169"}, // © - copyright sign
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| 54 | {"ordf", "170"}, // feminine ordinal indicator
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| 55 | {"laquo", "171"}, // left-pointing double angle quotation mark = left pointing guillemet
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| 56 | {"not", "172"}, // not sign
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| 57 | {"shy", "173"}, // soft hyphen = discretionary hyphen
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| 58 | {"reg", "174"}, // ® - registered trademark sign
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| 59 | {"macr", "175"}, // macron = spacing macron = overline = APL overbar
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| 60 | {"deg", "176"}, // degree sign
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| 61 | {"plusmn", "177"}, // plus-minus sign = plus-or-minus sign
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| 62 | {"sup2", "178"}, // superscript two = superscript digit two = squared
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| 63 | {"sup3", "179"}, // superscript three = superscript digit three = cubed
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| 64 | {"acute", "180"}, // acute accent = spacing acute
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| 65 | {"micro", "181"}, // micro sign
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| 66 | {"para", "182"}, // pilcrow sign = paragraph sign
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| 67 | {"middot", "183"}, // middle dot = Georgian comma = Greek middle dot
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| 68 | {"cedil", "184"}, // cedilla = spacing cedilla
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| 69 | {"sup1", "185"}, // superscript one = superscript digit one
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| 70 | {"ordm", "186"}, // masculine ordinal indicator
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| 71 | {"raquo", "187"}, // right-pointing double angle quotation mark = right pointing guillemet
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| 72 | {"frac14", "188"}, // vulgar fraction one quarter = fraction one quarter
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| 73 | {"frac12", "189"}, // vulgar fraction one half = fraction one half
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| 74 | {"frac34", "190"}, // vulgar fraction three quarters = fraction three quarters
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| 75 | {"iquest", "191"}, // inverted question mark = turned question mark
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| 76 | {"Agrave", "192"}, // À - uppercase A, grave accent
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| 77 | {"Aacute", "193"}, // Á - uppercase A, acute accent
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| 78 | {"Acirc", "194"}, // Â - uppercase A, circumflex accent
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| 79 | {"Atilde", "195"}, // Ã - uppercase A, tilde
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| 80 | {"Auml", "196"}, // Ä - uppercase A, umlaut
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| 81 | {"Aring", "197"}, // Å - uppercase A, ring
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| 82 | {"AElig", "198"}, // Æ - uppercase AE
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| 83 | {"Ccedil", "199"}, // Ç - uppercase C, cedilla
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| 84 | {"Egrave", "200"}, // È - uppercase E, grave accent
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| 85 | {"Eacute", "201"}, // É - uppercase E, acute accent
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| 86 | {"Ecirc", "202"}, // Ê - uppercase E, circumflex accent
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| 87 | {"Euml", "203"}, // Ë - uppercase E, umlaut
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| 88 | {"Igrave", "204"}, // Ì - uppercase I, grave accent
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| 89 | {"Iacute", "205"}, // Í - uppercase I, acute accent
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| 90 | {"Icirc", "206"}, // Î - uppercase I, circumflex accent
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| 91 | {"Iuml", "207"}, // Ï - uppercase I, umlaut
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| 92 | {"ETH", "208"}, // Ð - uppercase Eth, Icelandic
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| 93 | {"Ntilde", "209"}, // Ñ - uppercase N, tilde
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| 94 | {"Ograve", "210"}, // Ò - uppercase O, grave accent
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| 95 | {"Oacute", "211"}, // Ó - uppercase O, acute accent
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| 96 | {"Ocirc", "212"}, // Ô - uppercase O, circumflex accent
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| 97 | {"Otilde", "213"}, // Õ - uppercase O, tilde
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| 98 | {"Ouml", "214"}, // Ö - uppercase O, umlaut
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| 99 | {"times", "215"}, // multiplication sign
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| 100 | {"Oslash", "216"}, // Ø - uppercase O, slash
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| 101 | {"Ugrave", "217"}, // Ù - uppercase U, grave accent
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| 102 | {"Uacute", "218"}, // Ú - uppercase U, acute accent
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| 103 | {"Ucirc", "219"}, // Û - uppercase U, circumflex accent
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| 104 | {"Uuml", "220"}, // Ü - uppercase U, umlaut
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| 105 | {"Yacute", "221"}, // Ý - uppercase Y, acute accent
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| 106 | {"THORN", "222"}, // Þ - uppercase THORN, Icelandic
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| 107 | {"szlig", "223"}, // ß - lowercase sharps, German
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| 108 | {"agrave", "224"}, // à - lowercase a, grave accent
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| 109 | {"aacute", "225"}, // á - lowercase a, acute accent
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| 110 | {"acirc", "226"}, // â - lowercase a, circumflex accent
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| 111 | {"atilde", "227"}, // ã - lowercase a, tilde
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| 112 | {"auml", "228"}, // ä - lowercase a, umlaut
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| 113 | {"aring", "229"}, // å - lowercase a, ring
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| 114 | {"aelig", "230"}, // æ - lowercase ae
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| 115 | {"ccedil", "231"}, // ç - lowercase c, cedilla
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| 116 | {"egrave", "232"}, // è - lowercase e, grave accent
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| 117 | {"eacute", "233"}, // é - lowercase e, acute accent
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| 118 | {"ecirc", "234"}, // ê - lowercase e, circumflex accent
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| 119 | {"euml", "235"}, // ë - lowercase e, umlaut
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| 120 | {"igrave", "236"}, // ì - lowercase i, grave accent
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| 121 | {"iacute", "237"}, // í - lowercase i, acute accent
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| 122 | {"icirc", "238"}, // î - lowercase i, circumflex accent
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| 123 | {"iuml", "239"}, // ï - lowercase i, umlaut
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| 124 | {"eth", "240"}, // ð - lowercase eth, Icelandic
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| 125 | {"ntilde", "241"}, // ñ - lowercase n, tilde
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| 126 | {"ograve", "242"}, // ò - lowercase o, grave accent
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| 127 | {"oacute", "243"}, // ó - lowercase o, acute accent
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| 128 | {"ocirc", "244"}, // ô - lowercase o, circumflex accent
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| 129 | {"otilde", "245"}, // õ - lowercase o, tilde
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| 130 | {"ouml", "246"}, // ö - lowercase o, umlaut
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| 131 | {"divide", "247"}, // division sign
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| 132 | {"oslash", "248"}, // ø - lowercase o, slash
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| 133 | {"ugrave", "249"}, // ù - lowercase u, grave accent
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| 134 | {"uacute", "250"}, // ú - lowercase u, acute accent
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| 135 | {"ucirc", "251"}, // û - lowercase u, circumflex accent
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| 136 | {"uuml", "252"}, // ü - lowercase u, umlaut
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| 137 | {"yacute", "253"}, // ý - lowercase y, acute accent
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| 138 | {"thorn", "254"}, // þ - lowercase thorn, Icelandic
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| 139 | {"yuml", "255"}, // ÿ - lowercase y, umlaut
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| 140 | /* HTML 40 */
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| 141 | // <!-- Latin Extended-B -->
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| 142 | {"fnof", "402"}, // latin small f with hook = function= florin, U+0192 ISOtech -->
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| 143 | // <!-- Greek -->
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| 144 | {"Alpha", "913"}, // greek capital letter alpha, U+0391 -->
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| 145 | {"Beta", "914"}, // greek capital letter beta, U+0392 -->
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| 146 | {"Gamma", "915"}, // greek capital letter gamma,U+0393 ISOgrk3 -->
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| 147 | {"Delta", "916"}, // greek capital letter delta,U+0394 ISOgrk3 -->
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| 148 | {"Epsilon", "917"}, // greek capital letter epsilon, U+0395 -->
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| 149 | {"Zeta", "918"}, // greek capital letter zeta, U+0396 -->
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| 150 | {"Eta", "919"}, // greek capital letter eta, U+0397 -->
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| 151 | {"Theta", "920"}, // greek capital letter theta,U+0398 ISOgrk3 -->
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| 152 | {"Iota", "921"}, // greek capital letter iota, U+0399 -->
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| 153 | {"Kappa", "922"}, // greek capital letter kappa, U+039A -->
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| 154 | {"Lambda", "923"}, // greek capital letter lambda,U+039B ISOgrk3 -->
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| 155 | {"Mu", "924"}, // greek capital letter mu, U+039C -->
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| 156 | {"Nu", "925"}, // greek capital letter nu, U+039D -->
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| 157 | {"Xi", "926"}, // greek capital letter xi, U+039E ISOgrk3 -->
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| 158 | {"Omicron", "927"}, // greek capital letter omicron, U+039F -->
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| 159 | {"Pi", "928"}, // greek capital letter pi, U+03A0 ISOgrk3 -->
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| 160 | {"Rho", "929"}, // greek capital letter rho, U+03A1 -->
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| 161 | // <!-- there is no Sigmaf, and no U+03A2 character either -->
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| 162 | {"Sigma", "931"}, // greek capital letter sigma,U+03A3 ISOgrk3 -->
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| 163 | {"Tau", "932"}, // greek capital letter tau, U+03A4 -->
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| 164 | {"Upsilon", "933"}, // greek capital letter upsilon,U+03A5 ISOgrk3 -->
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| 165 | {"Phi", "934"}, // greek capital letter phi,U+03A6 ISOgrk3 -->
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| 166 | {"Chi", "935"}, // greek capital letter chi, U+03A7 -->
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| 167 | {"Psi", "936"}, // greek capital letter psi,U+03A8 ISOgrk3 -->
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| 168 | {"Omega", "937"}, // greek capital letter omega,U+03A9 ISOgrk3 -->
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| 169 | {"alpha", "945"}, // greek small letter alpha,U+03B1 ISOgrk3 -->
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| 170 | {"beta", "946"}, // greek small letter beta, U+03B2 ISOgrk3 -->
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| 171 | {"gamma", "947"}, // greek small letter gamma,U+03B3 ISOgrk3 -->
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| 172 | {"delta", "948"}, // greek small letter delta,U+03B4 ISOgrk3 -->
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| 173 | {"epsilon", "949"}, // greek small letter epsilon,U+03B5 ISOgrk3 -->
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| 174 | {"zeta", "950"}, // greek small letter zeta, U+03B6 ISOgrk3 -->
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| 175 | {"eta", "951"}, // greek small letter eta, U+03B7 ISOgrk3 -->
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| 176 | {"theta", "952"}, // greek small letter theta,U+03B8 ISOgrk3 -->
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| 177 | {"iota", "953"}, // greek small letter iota, U+03B9 ISOgrk3 -->
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| 178 | {"kappa", "954"}, // greek small letter kappa,U+03BA ISOgrk3 -->
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| 179 | {"lambda", "955"}, // greek small letter lambda,U+03BB ISOgrk3 -->
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| 180 | {"mu", "956"}, // greek small letter mu, U+03BC ISOgrk3 -->
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| 181 | {"nu", "957"}, // greek small letter nu, U+03BD ISOgrk3 -->
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| 182 | {"xi", "958"}, // greek small letter xi, U+03BE ISOgrk3 -->
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| 183 | {"omicron", "959"}, // greek small letter omicron, U+03BF NEW -->
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| 184 | {"pi", "960"}, // greek small letter pi, U+03C0 ISOgrk3 -->
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| 185 | {"rho", "961"}, // greek small letter rho, U+03C1 ISOgrk3 -->
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| 186 | {"sigmaf", "962"}, // greek small letter final sigma,U+03C2 ISOgrk3 -->
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| 187 | {"sigma", "963"}, // greek small letter sigma,U+03C3 ISOgrk3 -->
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| 188 | {"tau", "964"}, // greek small letter tau, U+03C4 ISOgrk3 -->
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| 189 | {"upsilon", "965"}, // greek small letter upsilon,U+03C5 ISOgrk3 -->
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| 190 | {"phi", "966"}, // greek small letter phi, U+03C6 ISOgrk3 -->
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| 191 | {"chi", "967"}, // greek small letter chi, U+03C7 ISOgrk3 -->
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| 192 | {"psi", "968"}, // greek small letter psi, U+03C8 ISOgrk3 -->
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| 193 | {"omega", "969"}, // greek small letter omega,U+03C9 ISOgrk3 -->
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| 194 | {"thetasym", "977"}, // greek small letter theta symbol,U+03D1 NEW -->
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| 195 | {"upsih", "978"}, // greek upsilon with hook symbol,U+03D2 NEW -->
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| 196 | {"piv", "982"}, // greek pi symbol, U+03D6 ISOgrk3 -->
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| 197 | // <!-- General Punctuation -->
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| 198 | {"bull", "8226"}, // bullet = black small circle,U+2022 ISOpub -->
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| 199 | // <!-- bullet is NOT the same as bullet operator, U+2219 -->
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| 200 | {"hellip", "8230"}, // horizontal ellipsis = three dot leader,U+2026 ISOpub -->
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| 201 | {"prime", "8242"}, // prime = minutes = feet, U+2032 ISOtech -->
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| 202 | {"Prime", "8243"}, // double prime = seconds = inches,U+2033 ISOtech -->
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| 203 | {"oline", "8254"}, // overline = spacing overscore,U+203E NEW -->
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| 204 | {"frasl", "8260"}, // fraction slash, U+2044 NEW -->
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| 205 | // <!-- Letterlike Symbols -->
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| 206 | {"weierp", "8472"}, // script capital P = power set= Weierstrass p, U+2118 ISOamso -->
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| 207 | {"image", "8465"}, // blackletter capital I = imaginary part,U+2111 ISOamso -->
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| 208 | {"real", "8476"}, // blackletter capital R = real part symbol,U+211C ISOamso -->
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| 209 | {"trade", "8482"}, // trade mark sign, U+2122 ISOnum -->
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| 210 | {"alefsym", "8501"}, // alef symbol = first transfinite cardinal,U+2135 NEW -->
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| 211 | // <!-- alef symbol is NOT the same as hebrew letter alef,U+05D0 although the
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| 212 | // same glyph could be used to depict both characters -->
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| 213 | // <!-- Arrows -->
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| 214 | {"larr", "8592"}, // leftwards arrow, U+2190 ISOnum -->
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| 215 | {"uarr", "8593"}, // upwards arrow, U+2191 ISOnum-->
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| 216 | {"rarr", "8594"}, // rightwards arrow, U+2192 ISOnum -->
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| 217 | {"darr", "8595"}, // downwards arrow, U+2193 ISOnum -->
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| 218 | {"harr", "8596"}, // left right arrow, U+2194 ISOamsa -->
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| 219 | {"crarr", "8629"}, // downwards arrow with corner leftwards= carriage return, U+21B5 NEW -->
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| 220 | {"lArr", "8656"}, // leftwards double arrow, U+21D0 ISOtech -->
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| 221 | // <!-- ISO 10646 does not say that lArr is the same as the 'is implied by'
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| 222 | // arrow but also does not have any other character for that function.
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| 223 | // So ? lArr canbe used for 'is implied by' as ISOtech suggests -->
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| 224 | {"uArr", "8657"}, // upwards double arrow, U+21D1 ISOamsa -->
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| 225 | {"rArr", "8658"}, // rightwards double arrow,U+21D2 ISOtech -->
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| 226 | // <!-- ISO 10646 does not say this is the 'implies' character but does not
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| 227 | // have another character with this function so ?rArr can be used for
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| 228 | // 'implies' as ISOtech suggests -->
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| 229 | {"dArr", "8659"}, // downwards double arrow, U+21D3 ISOamsa -->
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| 230 | {"hArr", "8660"}, // left right double arrow,U+21D4 ISOamsa -->
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| 231 | // <!-- Mathematical Operators -->
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| 232 | {"forall", "8704"}, // for all, U+2200 ISOtech -->
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| 233 | {"part", "8706"}, // partial differential, U+2202 ISOtech -->
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| 234 | {"exist", "8707"}, // there exists, U+2203 ISOtech -->
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| 235 | {"empty", "8709"}, // empty set = null set = diameter,U+2205 ISOamso -->
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| 236 | {"nabla", "8711"}, // nabla = backward difference,U+2207 ISOtech -->
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| 237 | {"isin", "8712"}, // element of, U+2208 ISOtech -->
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| 238 | {"notin", "8713"}, // not an element of, U+2209 ISOtech -->
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| 239 | {"ni", "8715"}, // contains as member, U+220B ISOtech -->
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| 240 | // <!-- should there be a more memorable name than 'ni'? -->
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| 241 | {"prod", "8719"}, // n-ary product = product sign,U+220F ISOamsb -->
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| 242 | // <!-- prod is NOT the same character as U+03A0 'greek capital letter pi'
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| 243 | // though the same glyph might be used for both -->
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| 244 | {"sum", "8721"}, // n-ary summation, U+2211 ISOamsb -->
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| 245 | // <!-- sum is NOT the same character as U+03A3 'greek capital letter sigma'
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| 246 | // though the same glyph might be used for both -->
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| 247 | {"minus", "8722"}, // minus sign, U+2212 ISOtech -->
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| 248 | {"lowast", "8727"}, // asterisk operator, U+2217 ISOtech -->
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| 249 | {"radic", "8730"}, // square root = radical sign,U+221A ISOtech -->
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| 250 | {"prop", "8733"}, // proportional to, U+221D ISOtech -->
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| 251 | {"infin", "8734"}, // infinity, U+221E ISOtech -->
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| 252 | {"ang", "8736"}, // angle, U+2220 ISOamso -->
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| 253 | {"and", "8743"}, // logical and = wedge, U+2227 ISOtech -->
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| 254 | {"or", "8744"}, // logical or = vee, U+2228 ISOtech -->
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| 255 | {"cap", "8745"}, // intersection = cap, U+2229 ISOtech -->
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| 256 | {"cup", "8746"}, // union = cup, U+222A ISOtech -->
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| 257 | {"int", "8747"}, // integral, U+222B ISOtech -->
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| 258 | {"there4", "8756"}, // therefore, U+2234 ISOtech -->
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| 259 | {"sim", "8764"}, // tilde operator = varies with = similar to,U+223C ISOtech -->
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| 260 | // <!-- tilde operator is NOT the same character as the tilde, U+007E,although
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| 261 | // the same glyph might be used to represent both -->
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| 262 | {"cong", "8773"}, // approximately equal to, U+2245 ISOtech -->
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| 263 | {"asymp", "8776"}, // almost equal to = asymptotic to,U+2248 ISOamsr -->
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| 264 | {"ne", "8800"}, // not equal to, U+2260 ISOtech -->
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| 265 | {"equiv", "8801"}, // identical to, U+2261 ISOtech -->
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| 266 | {"le", "8804"}, // less-than or equal to, U+2264 ISOtech -->
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| 267 | {"ge", "8805"}, // greater-than or equal to,U+2265 ISOtech -->
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| 268 | {"sub", "8834"}, // subset of, U+2282 ISOtech -->
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| 269 | {"sup", "8835"}, // superset of, U+2283 ISOtech -->
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| 270 | // <!-- note that nsup, 'not a superset of, U+2283' is not covered by the
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| 271 | // Symbol font encoding and is not included. Should it be, for symmetry?
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| 272 | // It is in ISOamsn --> <!ENTITY nsub", "8836"},
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| 273 | // not a subset of, U+2284 ISOamsn -->
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| 274 | {"sube", "8838"}, // subset of or equal to, U+2286 ISOtech -->
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| 275 | {"supe", "8839"}, // superset of or equal to,U+2287 ISOtech -->
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| 276 | {"oplus", "8853"}, // circled plus = direct sum,U+2295 ISOamsb -->
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| 277 | {"otimes", "8855"}, // circled times = vector product,U+2297 ISOamsb -->
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| 278 | {"perp", "8869"}, // up tack = orthogonal to = perpendicular,U+22A5 ISOtech -->
|
|---|
| 279 | {"sdot", "8901"}, // dot operator, U+22C5 ISOamsb -->
|
|---|
| 280 | // <!-- dot operator is NOT the same character as U+00B7 middle dot -->
|
|---|
| 281 | // <!-- Miscellaneous Technical -->
|
|---|
| 282 | {"lceil", "8968"}, // left ceiling = apl upstile,U+2308 ISOamsc -->
|
|---|
| 283 | {"rceil", "8969"}, // right ceiling, U+2309 ISOamsc -->
|
|---|
| 284 | {"lfloor", "8970"}, // left floor = apl downstile,U+230A ISOamsc -->
|
|---|
| 285 | {"rfloor", "8971"}, // right floor, U+230B ISOamsc -->
|
|---|
| 286 | {"lang", "9001"}, // left-pointing angle bracket = bra,U+2329 ISOtech -->
|
|---|
| 287 | // <!-- lang is NOT the same character as U+003C 'less than' or U+2039 'single left-pointing angle quotation
|
|---|
| 288 | // mark' -->
|
|---|
| 289 | {"rang", "9002"}, // right-pointing angle bracket = ket,U+232A ISOtech -->
|
|---|
| 290 | // <!-- rang is NOT the same character as U+003E 'greater than' or U+203A
|
|---|
| 291 | // 'single right-pointing angle quotation mark' -->
|
|---|
| 292 | // <!-- Geometric Shapes -->
|
|---|
| 293 | {"loz", "9674"}, // lozenge, U+25CA ISOpub -->
|
|---|
| 294 | // <!-- Miscellaneous Symbols -->
|
|---|
| 295 | {"spades", "9824"}, // black spade suit, U+2660 ISOpub -->
|
|---|
| 296 | // <!-- black here seems to mean filled as opposed to hollow -->
|
|---|
| 297 | {"clubs", "9827"}, // black club suit = shamrock,U+2663 ISOpub -->
|
|---|
| 298 | {"hearts", "9829"}, // black heart suit = valentine,U+2665 ISOpub -->
|
|---|
| 299 | {"diams", "9830"}, // black diamond suit, U+2666 ISOpub -->
|
|---|
| 300 |
|
|---|
| 301 | // <!-- Latin Extended-A -->
|
|---|
| 302 | {"OElig", "338"}, // -- latin capital ligature OE,U+0152 ISOlat2 -->
|
|---|
| 303 | {"oelig", "339"}, // -- latin small ligature oe, U+0153 ISOlat2 -->
|
|---|
| 304 | // <!-- ligature is a misnomer, this is a separate character in some languages -->
|
|---|
| 305 | {"Scaron", "352"}, // -- latin capital letter S with caron,U+0160 ISOlat2 -->
|
|---|
| 306 | {"scaron", "353"}, // -- latin small letter s with caron,U+0161 ISOlat2 -->
|
|---|
| 307 | {"Yuml", "376"}, // -- latin capital letter Y with diaeresis,U+0178 ISOlat2 -->
|
|---|
| 308 | // <!-- Spacing Modifier Letters -->
|
|---|
| 309 | {"circ", "710"}, // -- modifier letter circumflex accent,U+02C6 ISOpub -->
|
|---|
| 310 | {"tilde", "732"}, // small tilde, U+02DC ISOdia -->
|
|---|
| 311 | // <!-- General Punctuation -->
|
|---|
| 312 | {"ensp", "8194"}, // en space, U+2002 ISOpub -->
|
|---|
| 313 | {"emsp", "8195"}, // em space, U+2003 ISOpub -->
|
|---|
| 314 | {"thinsp", "8201"}, // thin space, U+2009 ISOpub -->
|
|---|
| 315 | {"zwnj", "8204"}, // zero width non-joiner,U+200C NEW RFC 2070 -->
|
|---|
| 316 | {"zwj", "8205"}, // zero width joiner, U+200D NEW RFC 2070 -->
|
|---|
| 317 | {"lrm", "8206"}, // left-to-right mark, U+200E NEW RFC 2070 -->
|
|---|
| 318 | {"rlm", "8207"}, // right-to-left mark, U+200F NEW RFC 2070 -->
|
|---|
| 319 | {"ndash", "8211"}, // en dash, U+2013 ISOpub -->
|
|---|
| 320 | {"mdash", "8212"}, // em dash, U+2014 ISOpub -->
|
|---|
| 321 | {"lsquo", "8216"}, // left single quotation mark,U+2018 ISOnum -->
|
|---|
| 322 | {"rsquo", "8217"}, // right single quotation mark,U+2019 ISOnum -->
|
|---|
| 323 | {"sbquo", "8218"}, // single low-9 quotation mark, U+201A NEW -->
|
|---|
| 324 | {"ldquo", "8220"}, // left double quotation mark,U+201C ISOnum -->
|
|---|
| 325 | {"rdquo", "8221"}, // right double quotation mark,U+201D ISOnum -->
|
|---|
| 326 | {"bdquo", "8222"}, // double low-9 quotation mark, U+201E NEW -->
|
|---|
| 327 | {"dagger", "8224"}, // dagger, U+2020 ISOpub -->
|
|---|
| 328 | {"Dagger", "8225"}, // double dagger, U+2021 ISOpub -->
|
|---|
| 329 | {"permil", "8240"}, // per mille sign, U+2030 ISOtech -->
|
|---|
| 330 | {"lsaquo", "8249"}, // single left-pointing angle quotation mark,U+2039 ISO proposed -->
|
|---|
| 331 | // <!-- lsaquo is proposed but not yet ISO standardized -->
|
|---|
| 332 | {"rsaquo", "8250"}, // single right-pointing angle quotation mark,U+203A ISO proposed -->
|
|---|
| 333 | // <!-- rsaquo is proposed but not yet ISO standardized -->
|
|---|
| 334 | {"euro", "8364"}, // -- euro sign, U+20AC NEW -->
|
|---|
| 335 | };
|
|---|
| 336 |
|
|---|
| 337 | private static volatile Map<String, String> mapNameToValue;
|
|---|
| 338 |
|
|---|
| 339 | private Entities() {
|
|---|
| 340 | // Private constructor for utilities classes
|
|---|
| 341 | }
|
|---|
| 342 |
|
|---|
| 343 | /**
|
|---|
| 344 | * Returns unescaped entity representation.
|
|---|
| 345 | * @param str entity
|
|---|
| 346 | * @return unescaped entity representation
|
|---|
| 347 | */
|
|---|
| 348 | public static String unescape(String str) {
|
|---|
| 349 | int firstAmp = str.indexOf('&');
|
|---|
| 350 | if (firstAmp < 0)
|
|---|
| 351 | return str;
|
|---|
| 352 | StringBuilder res = new StringBuilder(str.substring(0, firstAmp));
|
|---|
| 353 | int len = str.length();
|
|---|
| 354 | for (int i = firstAmp; i < len; i++) {
|
|---|
| 355 | char c = str.charAt(i);
|
|---|
| 356 | if (c == '&') {
|
|---|
| 357 | int nextIdx = i + 1;
|
|---|
| 358 | int semiColonIdx = str.indexOf(';', nextIdx);
|
|---|
| 359 | if (semiColonIdx == -1) {
|
|---|
| 360 | res.append(c);
|
|---|
| 361 | continue;
|
|---|
| 362 | }
|
|---|
| 363 | int amphersandIdx = str.indexOf('&', i + 1);
|
|---|
| 364 | if (amphersandIdx != -1 && amphersandIdx < semiColonIdx) {
|
|---|
| 365 | // Then the text looks like "&...&...;"
|
|---|
| 366 | res.append(c);
|
|---|
| 367 | continue;
|
|---|
| 368 | }
|
|---|
| 369 | String entityContent = str.substring(nextIdx, semiColonIdx);
|
|---|
| 370 | int entityValue = -1;
|
|---|
| 371 | int entityContentLen = entityContent.length();
|
|---|
| 372 | if (entityContentLen > 0) {
|
|---|
| 373 | if (entityContent.charAt(0) == '#') { // escaped value content is an integer (decimal or hexidecimal)
|
|---|
| 374 | if (entityContentLen > 1) {
|
|---|
| 375 | char isHexChar = entityContent.charAt(1);
|
|---|
| 376 | try {
|
|---|
| 377 | switch (isHexChar) {
|
|---|
| 378 | case 'X' :
|
|---|
| 379 | case 'x' :
|
|---|
| 380 | entityValue = Integer.parseInt(entityContent.substring(2), 16);
|
|---|
| 381 | break;
|
|---|
| 382 | default :
|
|---|
| 383 | entityValue = Integer.parseInt(entityContent.substring(1), 10);
|
|---|
| 384 | }
|
|---|
| 385 | if (entityValue > 0xFFFF) {
|
|---|
| 386 | entityValue = -1;
|
|---|
| 387 | }
|
|---|
| 388 | } catch (NumberFormatException e) {
|
|---|
| 389 | entityValue = -1;
|
|---|
| 390 | }
|
|---|
| 391 | }
|
|---|
| 392 | } else { // escaped value content is an entity name
|
|---|
| 393 | String value = getMapNameToValue().get(entityContent);
|
|---|
| 394 | entityValue = value == null ? -1 : Integer.parseInt(value);
|
|---|
| 395 | }
|
|---|
| 396 | }
|
|---|
| 397 |
|
|---|
| 398 | if (entityValue == -1) {
|
|---|
| 399 | res.append('&').append(entityContent).append(';');
|
|---|
| 400 | } else {
|
|---|
| 401 | res.append((char) entityValue);
|
|---|
| 402 | }
|
|---|
| 403 | i = semiColonIdx; // move index up to the semi-colon
|
|---|
| 404 | } else {
|
|---|
| 405 | res.append(c);
|
|---|
| 406 | }
|
|---|
| 407 | }
|
|---|
| 408 | return res.toString();
|
|---|
| 409 | }
|
|---|
| 410 |
|
|---|
| 411 | private static synchronized Map<String, String> getMapNameToValue() {
|
|---|
| 412 | if (mapNameToValue == null) {
|
|---|
| 413 | mapNameToValue = new HashMap<>();
|
|---|
| 414 | for (String[] pair : ARRAY) {
|
|---|
| 415 | mapNameToValue.put(pair[0], pair[1]);
|
|---|
| 416 | }
|
|---|
| 417 | }
|
|---|
| 418 | return mapNameToValue;
|
|---|
| 419 | }
|
|---|
| 420 | }
|
|---|
