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1 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd"> |
| 2 | <html> |
| 3 | |
| 4 | <head> |
| 5 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> |
| 6 | <meta http-equiv="Content-Language" content="en-us"> |
| 7 | <meta name="GENERATOR" content="Microsoft FrontPage 4.0"> |
| 8 | <meta name="ProgId" content="FrontPage.Editor.Document"> |
| 9 | <meta name="keywords" |
| 10 | content="unicode, normalization, composition, decomposition"> |
| 11 | <meta name="description" content="Describes PropList.html"> |
| 12 | <title>UCD: Extended Character Properties</title> |
| 13 | <link rel="stylesheet" type="text/css" href="http://www.unicode.org/unicode.css"> |
| 14 | </head> |
| 15 | |
| 16 | <body bgcolor="#ffffff"> |
| 17 | |
| 18 | <table width="100%" cellpadding="0" cellspacing="0" border="0"> |
| 19 | <tr> |
| 20 | <td> |
| 21 | <table width="100%" border="0" cellpadding="0" cellspacing="0"> |
| 22 | <tr> |
| 23 | <td class="icon"><a href="http://www.unicode.org"><img border="0" |
| 24 | src="http://www.unicode.org/webscripts/logo60s2.gif" align="middle" |
| 25 | alt="[Unicode]" width="34" height="33"></a> <a |
| 26 | class="bar" href="UnicodeCharacterDatabase.html">Unicode Character |
| 27 | Database</a></td> |
| 28 | </tr> |
| 29 | </table> |
| 30 | </td> |
| 31 | </tr> |
| 32 | <tr> |
| 33 | <td class="gray"> </td> |
| 34 | </tr> |
| 35 | </table> |
| 36 | <h1>Extended Character Properties</h1> |
| 37 | <table height="87" cellspacing="2" cellpadding="0" width="100%" border="1"> |
| 38 | <tbody> |
| 39 | <tr> |
| 40 | <td valign="top" width="144">Revision</td> |
| 41 | <td valign="top">3.1.0</td> |
| 42 | </tr> |
| 43 | <tr> |
| 44 | <td valign="top" width="144">Authors</td> |
| 45 | <td valign="top">Mark Davis</td> |
| 46 | </tr> |
| 47 | <tr> |
| 48 | <td valign="top" width="144">Date</td> |
| 49 | <td valign="top">2001-02-28</td> |
| 50 | </tr> |
| 51 | <tr> |
| 52 | <td valign="top" width="144">This Version</td> |
| 53 | <td valign="top"><a |
| 54 | href="http://www.unicode.org/Public/3.1-Update/PropList-3.1.0.html">http://www.unicode.org/Public/3.1-Update/PropList-3.1.0.html</a></td> |
| 55 | </tr> |
| 56 | <tr> |
| 57 | <td valign="top" width="144">Previous Version</td> |
| 58 | <td valign="top">n/a</td> |
| 59 | </tr> |
| 60 | <tr> |
| 61 | <td valign="top" width="144">Latest Version</td> |
| 62 | <td valign="top"><a |
| 63 | href="http://www.unicode.org/Public/UNIDATA/PropList.html">http://www.unicode.org/Public/UNIDATA/PropList.html</a></td> |
| 64 | </tr> |
| 65 | </tbody> |
| 66 | </table> |
| 67 | <h3><i><br> |
| 68 | Summary</i></h3> |
| 69 | <blockquote> |
| 70 | <p><i>This document describes the format and content of the PropList.txt data |
| 71 | file in the Unicode Character Database (UCD).</i></p> |
| 72 | </blockquote> |
| 73 | <h3><i>Status</i></h3> |
| 74 | <blockquote> |
| 75 | <p><i>The file and the files described herein are part of the Unicode |
| 76 | Character Database and governed by the <a href="#UCD_Terms">UCD Terms of Use</a> |
| 77 | given below.</i></p> |
| 78 | <p><i>For general information on file formats and table formats, and the |
| 79 | implications of normative vs informative properties, see |
| 80 | UnicodeCharacterDatabase.html.</i></p> |
| 81 | <p><i><b>Warning: </b>the information in this file does not completely |
| 82 | describe the use and interpretation of Unicode character properties and |
| 83 | behavior. It must be used in conjunction with the data in the other files in |
| 84 | the UCD, and relies on the notation and definitions supplied in <a |
| 85 | href="http://www.unicode.org/unicode/standard/versions/Unicode3.0.html">The |
| 86 | Unicode Standard</a>. All chapter references are to Version 3.1.0 of the |
| 87 | standard.</i></p> |
| 88 | </blockquote> |
| 89 | <hr width="50%"> |
| 90 | <h2>Introduction</h2> |
| 91 | <p align="left">PropList.txt contains extended properties that supplement the |
| 92 | General Category property described in UnicodeData.html. Unlike the derived |
| 93 | properties, the properties in PropList.txt cannot be derived directly from |
| 94 | UnicodeData.txt or other data files of the UCD. These properties are listed in |
| 95 | the following table.</p> |
| 96 | <div align="center"> |
| 97 | <center> |
| 98 | <table border="1" cellspacing="0" cellpadding="3" class="smallText"> |
| 99 | <tr> |
| 100 | <th>Property Value</th> |
| 101 | <th>N/I</th> |
| 102 | <th>Definition and Usage</th> |
| 103 | </tr> |
| 104 | <tr> |
| 105 | <th valign="top">White_space</th> |
| 106 | <th valign="top">N</th> |
| 107 | <td valign="top">Space characters and those format control characters |
| 108 | (such as TAB, CR and LF) which should be treated by programming |
| 109 | languages as "white space" for the purpose of parsing |
| 110 | elements. |
| 111 | <p><b>Note:</b> ZERO WIDTH SPACE and ZERO WIDTH NO-BREAK SPACE are not |
| 112 | included, since their functions are restricted to line-break control. |
| 113 | Their names are unfortunately misleading in this respect.</p> |
| 114 | <p><b>Note: </b>There are other senses of "whitespace" that |
| 115 | encompass a different set of characters.</p> |
| 116 | </td> |
| 117 | </tr> |
| 118 | <tr> |
| 119 | <th valign="top">Bidi_Control</th> |
| 120 | <th valign="top">N</th> |
| 121 | <td valign="top">Those format control characters which have specific |
| 122 | functions in the Bidirectional Algorithm.</td> |
| 123 | </tr> |
| 124 | <tr> |
| 125 | <th valign="top">Join_Control</th> |
| 126 | <th valign="top">N</th> |
| 127 | <td valign="top">Those format control characters which have specific |
| 128 | functions for control of cursive joining and ligation.</td> |
| 129 | </tr> |
| 130 | <tr> |
| 131 | <th valign="top">Dash</th> |
| 132 | <th valign="top">I</th> |
| 133 | <td valign="top">Those punctuation characters explicitly called out as |
| 134 | dashes in the Unicode Standard, plus compatibility equivalents to those. |
| 135 | Most of these have the Pd General Category, but some have the Sm General |
| 136 | Category because of their use in mathematics.</td> |
| 137 | </tr> |
| 138 | <tr> |
| 139 | <th valign="top">Hyphen</th> |
| 140 | <th valign="top">I</th> |
| 141 | <td valign="top">Those dashes used to mark connections between pieces of |
| 142 | words, plus the Katakana middle dot. The Katakana middle dot functions |
| 143 | like a hyphen, but is shaped like a dot rather than a dash.</td> |
| 144 | </tr> |
| 145 | <tr> |
| 146 | <th valign="top">Quotation_Mark</th> |
| 147 | <th valign="top">I</th> |
| 148 | <td valign="top">Those punctuation characters that function as quotation |
| 149 | marks.</td> |
| 150 | </tr> |
| 151 | <tr> |
| 152 | <th valign="top">Terminal_Punctuation</th> |
| 153 | <th valign="top">I</th> |
| 154 | <td valign="top">Those punctuation characters that generally mark the end |
| 155 | of textual units.</td> |
| 156 | </tr> |
| 157 | <tr> |
| 158 | <th valign="top">Other_Math</th> |
| 159 | <th valign="top">I</th> |
| 160 | <td valign="top">Math characters that do not have the Sm General Category.</td> |
| 161 | </tr> |
| 162 | <tr> |
| 163 | <th valign="top">Hex_Digit</th> |
| 164 | <th valign="top">I</th> |
| 165 | <td valign="top">Characters commonly used for the representation of |
| 166 | hexadecimal numbers, plus their compatibility equivalents.</td> |
| 167 | </tr> |
| 168 | <tr> |
| 169 | <th valign="top">Other_Alphabetic</th> |
| 170 | <th valign="top">I</th> |
| 171 | <td valign="top">Alphabetic characters that do not have L as their major |
| 172 | class for the General Category (Lu, Ll, Lt, Lm, Lo).</td> |
| 173 | </tr> |
| 174 | <tr> |
| 175 | <th valign="top">Ideographic</th> |
| 176 | <th valign="top">I</th> |
| 177 | <td valign="top">Characters considered to be CJKV (Chinese, Japanese, |
| 178 | Korean, and Vietnamese) ideographs.</td> |
| 179 | </tr> |
| 180 | <tr> |
| 181 | <th valign="top">Diacritic</th> |
| 182 | <th valign="top">I</th> |
| 183 | <td valign="top">Characters that linguistically modify the meaning of |
| 184 | another character to which they apply. Some diacritics are not combining |
| 185 | characters, and some combining characters are not diacritics.</td> |
| 186 | </tr> |
| 187 | <tr> |
| 188 | <th valign="top">Extender</th> |
| 189 | <th valign="top">I</th> |
| 190 | <td valign="top">Characters whose principal function is to extend the |
| 191 | value or shape of a preceding alphabetic character. Typical of these are |
| 192 | length and iteration marks.</td> |
| 193 | </tr> |
| 194 | <tr> |
| 195 | <th valign="top">Other_Lowercase</th> |
| 196 | <th valign="top">I</th> |
| 197 | <td valign="top">Lowercase characters that do not have the Ll General |
| 198 | Category.</td> |
| 199 | </tr> |
| 200 | <tr> |
| 201 | <th valign="top">Other_Uppercase</th> |
| 202 | <th valign="top">I</th> |
| 203 | <td valign="top">Uppercase characters that do not have the Lu General |
| 204 | Category.</td> |
| 205 | </tr> |
| 206 | <tr> |
| 207 | <th valign="top">Noncharacter_Code_Point</th> |
| 208 | <th valign="top">N</th> |
| 209 | <td valign="top">Code points that are explicitly defined as illegal for |
| 210 | the encoding of characters. See <a |
| 211 | href="http://www.unicode.org/unicode/reports/tr27/">Unicode 3.1</a> for |
| 212 | more information.</td> |
| 213 | </tr> |
| 214 | </table> |
| 215 | </center> |
| 216 | </div> |
| 217 | <h2><i><a name="UCD_Terms"><br> |
| 218 | UCD Terms of Use</a></i></h2> |
| 219 | <h3><i>Disclaimer</i></h3> |
| 220 | <blockquote> |
| 221 | <p><i>The Unicode Character Database is provided as is by Unicode, Inc. No |
| 222 | claims are made as to fitness for any particular purpose. No warranties of any |
| 223 | kind are expressed or implied. The recipient agrees to determine applicability |
| 224 | of information provided. If this file has been purchased on magnetic or |
| 225 | optical media from Unicode, Inc., the sole remedy for any claim will be |
| 226 | exchange of defective media within 90 days of receipt.</i></p> |
| 227 | <p><i>This disclaimer is applicable for all other data files accompanying the |
| 228 | Unicode Character Database, some of which have been compiled by the Unicode |
| 229 | Consortium, and some of which have been supplied by other sources.</i></p> |
| 230 | </blockquote> |
| 231 | <h3><i>Limitations on Rights to Redistribute This Data</i></h3> |
| 232 | <blockquote> |
| 233 | <p><i>Recipient is granted the right to make copies in any form for internal |
| 234 | distribution and to freely use the information supplied in the creation of |
| 235 | products supporting the Unicode<sup>TM</sup> Standard. The files in the |
| 236 | Unicode Character Database can be redistributed to third parties or other |
| 237 | organizations (whether for profit or not) as long as this notice and the |
| 238 | disclaimer notice are retained. Information can be extracted from these files |
| 239 | and used in documentation or programs, as long as there is an accompanying |
| 240 | notice indicating the source.</i></p> |
| 241 | </blockquote> |
| 242 | <hr width="50%"> |
| 243 | <p align="center"><a href="http://www.unicode.org/unicode/copyright.html"><img |
| 244 | src="http://www.unicode.org/img/hb_home.gif" border="0" alt="Home" width="40" |
| 245 | height="49"><img src="http://www.unicode.org/img/hb_mid.gif" border="0" |
| 246 | alt="Terms of Use" width="152" height="49"><img |
| 247 | src="http://www.unicode.org/img/hb_mail.gif" border="0" alt="E-mail" width="46" |
| 248 | height="49"></a> |
| 249 | |
| 250 | </body> |
| 251 | |
| 252 | </html> |
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