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[Valid] Markup Validation of https://upload.wikimedia.org/wikipedia/commons/1/1c/Flag_of_Chiba%2C_Chiba.svg - W3C Markup Validator
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html;charset=utf-8" /> <title> [Valid] Markup Validation of https://upload.wikimedia.org/wikipedia/commons/1/1c/Flag_of_Chiba%2C_Chiba.svg - W3C Markup Validator</title> <link rel="icon" href="data:image/png,%89PNG%0D%0A%1A%0A%00%00%00%0DIHDR%00%00%00%10%00%00%00%10%08%02%00%00%00%90%91h6%00%00%00%19IDAT(%91c%0C%DD%10%C5%40%0A%60%22I%F5%A8%86Q%0DCJ%03%00dy%01%7F%0C%9F0%7D%00%00%00%00IEND%AEB%60%82" type="image/png" /> <link rev="made" href="mailto:www-validator@w3.org" /> <link rev="start" href="./" title="Home Page" /> <link rel="stylesheet" href="./style/base" type="text/css" media="all" /> <link rel="stylesheet" href="./style/results" type="text/css" media="all" /> <meta name="keywords" content="HTML, HyperText Markup Language, Validation, W3C Markup Validation Service" /> <meta name="description" content="W3C's easy-to-use markup validation service, based on SGML and XML parsers." /> </head> <body> <div id="banner"> <h1 id="title"> <a href="http://www.w3.org/"><img alt="W3C" width="110" height="61" id="logo" src="./images/w3c.png" /></a> <a href="./"><span>Markup Validation Service</span></a> </h1> <p id="tagline">Check the markup (HTML, XHTML, …) of Web documents</p> </div> <div id="results_container"> <ul class="navbar" id="jumpbar"> <li><strong>Jump To:</strong></li> <li><a href="#preparse_warnings">Notes and Potential Issues</a></li> <li><a title="Information on validation, Icons" href="#congrats">Congratulations · Icons</a></li> <li><a title="Listing of Source Input" href="#source">Source Listing</a></li> </ul> <!-- valid/invalid header and revalidation table --> <h2 class="valid">This document was successfully checked as SVG 1.1 + URL + HTML + MathML 3.0!</h2> <form id="form" method="get" action="check"> <table class="header"> <tr> <th>Result:</th> <td colspan="2" class="valid"> Passed, <strong class="has_warnings">1 warning(s)</strong> </td> </tr> <tr> <th><label title="Address of Page to Validate" for="uri">Address</label>:</th> <td colspan="2"><input type="text" id="uri" name="uri" value="https://upload.wikimedia.org/wikipedia/commons/1/1c/Flag_of_Chiba%2C_Chiba.svg" size="50" /></td> </tr> <tr> <th><label title="Character Encoding" for="charset">Encoding</label>:</th> <td>utf-8</td><td><select name="charset" id="charset"> <option value="(detect automatically)">(detect automatically)</option> <option value="utf-8" >utf-8 (Unicode, worldwide)</option> <option value="utf-16" >utf-16 (Unicode, worldwide)</option> <option value="iso-8859-1" >iso-8859-1 (Western Europe)</option> <option value="iso-8859-2" >iso-8859-2 (Central Europe)</option> <option value="iso-8859-3" >iso-8859-3 (Southern Europe)</option> <option value="iso-8859-4" >iso-8859-4 (North European)</option> <option value="iso-8859-5" >iso-8859-5 (Cyrillic)</option> <option value="iso-8859-6-i" >iso-8859-6-i (Arabic)</option> <option value="iso-8859-7" >iso-8859-7 (Greek)</option> <option value="iso-8859-8" >iso-8859-8 (Hebrew, visual)</option> <option value="iso-8859-8-i" >iso-8859-8-i (Hebrew, logical)</option> <option value="iso-8859-9" >iso-8859-9 (Turkish)</option> <option value="iso-8859-10" >iso-8859-10 (Latin 6)</option> <option value="iso-8859-11" >iso-8859-11 (Latin/Thai)</option> <option value="iso-8859-13" >iso-8859-13 (Latin 7, Baltic Rim)</option> <option value="iso-8859-14" >iso-8859-14 (Latin 8, Celtic)</option> <option value="iso-8859-15" >iso-8859-15 (Latin 9)</option> <option value="iso-8859-16" >iso-8859-16 (Latin 10)</option> <option value="us-ascii" >us-ascii (basic English)</option> <option value="euc-jp" >euc-jp (Japanese, Unix)</option> <option value="shift_jis" >shift_jis (Japanese, Win/Mac)</option> <option value="iso-2022-jp" >iso-2022-jp (Japanese, email)</option> <option value="euc-kr" >euc-kr (Korean)</option> <option value="gb2312" >gb2312 (Chinese, simplified)</option> <option value="gb18030" >gb18030 (Chinese, simplified)</option> <option value="big5" >big5 (Chinese, traditional)</option> <option value="big5-HKSCS" >Big5-HKSCS (Chinese, Hong Kong)</option> <option value="tis-620" >tis-620 (Thai)</option> <option value="koi8-r" >koi8-r (Russian)</option> <option value="koi8-u" >koi8-u (Ukrainian)</option> <option value="iso-ir-111" >iso-ir-111 (Cyrillic KOI-8)</option> <option value="macintosh" >macintosh (MacRoman)</option> <option value="windows-1250" >windows-1250 (Central Europe)</option> <option value="windows-1251" >windows-1251 (Cyrillic)</option> <option value="windows-1252" >windows-1252 (Western Europe)</option> <option value="windows-1253" >windows-1253 (Greek)</option> <option value="windows-1254" >windows-1254 (Turkish)</option> <option value="windows-1255" >windows-1255 (Hebrew)</option> <option value="windows-1256" >windows-1256 (Arabic)</option> <option value="windows-1257" >windows-1257 (Baltic Rim)</option> </select> </td> </tr> <tr> <th><label for="doctype" title="Document Type">Doctype</label>:</th> <td>SVG 1.1 + URL + HTML + MathML 3.0</td><td><select id="doctype" name="doctype"> <option value="Inline">(detect automatically)</option> <option value="HTML5">HTML5 (experimental)</option> <option value="XHTML 1.0 Strict">XHTML 1.0 Strict</option> <option value="XHTML 1.0 Transitional" >XHTML 1.0 Transitional</option> <option value="XHTML 1.0 Frameset" >XHTML 1.0 Frameset</option> <option value="HTML 4.01 Strict" >HTML 4.01 Strict</option> <option value="HTML 4.01 Transitional" >HTML 4.01 Transitional</option> <option value="HTML 4.01 Frameset" >HTML 4.01 Frameset</option> <option value="HTML 4.01 + RDFa 1.1" >HTML 4.01 + RDFa 1.1</option> <option value="HTML 3.2" >HTML 3.2</option> <option value="HTML 2.0" >HTML 2.0</option> <option value="ISO/IEC 15445:2000 ("ISO HTML")" >ISO/IEC 15445:2000 ("ISO HTML")</option> <option value="XHTML 1.1" >XHTML 1.1</option> <option value="XHTML + RDFa" >XHTML + RDFa</option> <option value="XHTML Basic 1.0" >XHTML Basic 1.0</option> <option value="XHTML Basic 1.1" >XHTML Basic 1.1</option> <option value="XHTML Mobile Profile 1.2" >XHTML Mobile Profile 1.2</option> <option value="XHTML-Print 1.0" >XHTML-Print 1.0</option> <option value="XHTML 1.1 plus MathML 2.0" >XHTML 1.1 plus MathML 2.0</option> <option value="XHTML 1.1 plus MathML 2.0 plus SVG 1.1" >XHTML 1.1 plus MathML 2.0 plus SVG 1.1</option> <option value="MathML 2.0" >MathML 2.0</option> <option value="SVG 1.0" >SVG 1.0</option> <option value="SVG 1.1" >SVG 1.1</option> <option value="SVG 1.1 Tiny" >SVG 1.1 Tiny</option> <option value="SVG 1.1 Basic" >SVG 1.1 Basic</option> <option value="SMIL 1.0" >SMIL 1.0</option> <option value="SMIL 2.0" >SMIL 2.0</option> </select> </td> </tr> <tr> <th>Root Element:</th> <td colspan="2">svg</td> </tr> <tr> <th>Root Namespace:</th> <td colspan="2"><a href="http://www.w3.org/2000/svg">http://www.w3.org/2000/svg</a></td> </tr> </table> <div id="w3c-include"> <script src="//www.w3.org/QA/Tools/w3c-include.js"></script> </div> <fieldset id="revalidate_opts"> <legend>Options</legend> <table class="header"> <tr> <td><input type="checkbox" value="1" id="ss" name="ss" checked="checked" /><label title="Show Page Source" for="ss">Show Source</label></td> <td><input type="checkbox" value="1" id="outline" name="outline" /><label title="Show an Outline of the document" for="outline">Show Outline</label></td> <td><input type="radio" name="group" id="group_no" value="0" checked="checked" /><label for="group_no">List Messages Sequentially</label> <input type="radio" name="group" id="group_yes" value="1" /><label for="group_yes">Group Error Messages by Type</label></td> </tr> <tr> <td><input type="checkbox" value="1" id="No200" name="No200" /><label title="Validate also pages for which the HTTP status code indicates an error" for="No200">Validate error pages</label></td> <td><input type="checkbox" value="1" id="verbose" name="verbose" /><label title="Show Verbose Output" for="verbose">Verbose Output</label></td> <td><input id="st" name="st" type="checkbox" value="1" /><label for="st">Clean up Markup with HTML-Tidy</label></td> </tr> </table> <p class="moreinfo"> <a href="docs/users.html#Options">Help</a> on the options is available. </p> <div id="revalidate_button" class="submit_button"> <input type="hidden" value="W3C_Validator/1.3 " id="user-agent" name="user-agent" /> <input type="submit" value="Revalidate" title="Validate this document again" /> </div> </fieldset> </form> <div id="result"> <h3 id="preparse_warnings">Notes and Potential Issues</h3> <p>The following notes and warnings highlight missing or conflicting information which caused the validator to perform some guesswork prior to validation, or other things affecting the output below. If the guess or fallback is incorrect, it could make validation results entirely incoherent. It is <em>highly recommended</em> to check these potential issues, and, if necessary, fix them and re-validate the document.</p> <ol id="warnings"> <li class="msg_info" id="W27"><p><span class="err_type"><img src="images/info_icons/info.png" alt="Info" title="Info" /></span> <span class="msg">No Character encoding declared at document level</span></p> <p>No character encoding information was found within the document, either in an HTML <code>meta</code> element or an XML declaration. It is often recommended to declare the character encoding in the document itself, especially if there is a chance that the document will be read from or saved to disk, CD, etc.</p> <p>See <a href="http://www.w3.org/International/tutorials/tutorial-char-enc/#Slide0250">this tutorial on character encoding</a> for techniques and explanations.</p> </li> </ol><!-- End of "warnings". --> <h3 id="congrats">Congratulations</h3> <p> The document located at <<a href="https://upload.wikimedia.org/wikipedia/commons/1/1c/Flag_of_Chiba%2C_Chiba.svg">https://upload.wikimedia.org/wikipedia/commons/1/1c/Flag_of_Chiba%2C_Chiba.svg</a>> was successfully checked as SVG 1.1 + URL + HTML + MathML 3.0. This means that the resource in question identified itself as "SVG 1.1 + URL + HTML + MathML 3.0" and that we successfully performed a formal validation of it. The parser implementations we used for this check are based on <a href="http://qa-dev.w3.org/">Compound XML</a> and <a href="http://xmlsoft.org/">libxml2</a> (XML). </p> <h4>Linking to this result</h4> <p> If you would like to create a link to <em>this</em> page (i.e., this validation result) to make it easier to revalidate this page in the future or to allow others to validate your page, the URI is <<a href="https://validator.w3.org/markup/check?uri=https%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2F1%2F1c%2FFlag_of_Chiba%252C_Chiba.svg;ss=1">https://validator.w3.org/markup/check?uri=https%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2F1%2F1c%2FFlag_of_Chiba%252C_Chiba.svg;ss=1</a>> (or you can just add the current page to your bookmarks or hotlist). </p> <h4>Validating CSS Style Sheets</h4> <p> If you use <a href="http://www.w3.org/Style/CSS/">CSS</a> in your document, you can <a title="Validate CSS at the W3C CSS Validator" href="http://jigsaw.w3.org/css-validator/validator?uri=https%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2F1%2F1c%2FFlag_of_Chiba%252C_Chiba.svg">check it</a> using the W3C <a href="http://jigsaw.w3.org/css-validator/">CSS Validation Service</a>. </p> <p class="backtop"><a href="#jumpbar">↑ Top</a></p> </div><!-- end of "result" --> <div id="source"> <h3>Source Listing</h3> <p>Below is the source input I used for this validation:</p> <ol class="source"> <li id="line-1"><svg fill="#fff" viewBox="-675 -450 1350 900" height="600" width="900" xmlns="http://www.w3.org/2000/svg"></li> <li id="line-2"><mask id="a"></li> <li id="line-3"><circle r="300"/></li> <li id="line-4"><circle fill="#000" r="400" cx="200"/></li> <li id="line-5"></mask></li> <li id="line-6"><clipPath id="b"></li> <li id="line-7"><circle r="300" cx="225"/></li> <li id="line-8"></clipPath></li> <li id="line-9"><path fill="#00693f" d="M-675-450H675v900H-675z"/></li> <li id="line-10"><circle mask="url(#a)" r="500"/></li> <li id="line-11"><circle transform="scale(-1 1)" mask="url(#a)" r="500"/></li> <li id="line-12"><circle clip-path="url(#b)" r="300" cx="-225"/></li> <li id="line-13"><circle transform="rotate(90)" clip-path="url(#b)" r="300" cx="-225"/></li> <li id="line-14"><circle r="60" cy="-280"/></li> <li id="line-15"></svg></li> </ol> <p class="backtop"><a href="#jumpbar">↑ Top</a></p> </div> </div><!-- results_container--> <ul class="navbar" id="menu"> <li><a href="/" accesskey="1" title="Go to the Home Page for The W3C Markup Validation Service">Home</a><span> | </span></li> <li><a href="/about.html" title="Information About this Service">About...</a><span> | </span></li> <li><a href="/whatsnew.html" title="The changes made to this service recently">News</a><span> | </span></li> <li><a href="/docs/" accesskey="3" title="Documentation for this Service">Docs</a><span> | </span></li> <li><a href="/docs/help.html" title="Help and answers to frequently asked questions">Help & <abbr title="Frequently Asked Questions">FAQ</abbr></a><span> | </span></li> <li><a href="/feedback.html" accesskey="4" title="How to provide feedback on this service">Feedback</a><span> | </span></li> <li><a href="/contribute.html" title="How to contribute to the validator project">Contribute</a><span> | </span></li> </ul> <div id="footer"> <p id="activity_logos"> <a href="https://www.w3.org/Status" title="W3C's Open Source, bringing you free Web quality tools and more"><img src="https://www.w3.org/assets/logos/w3c/w3c-no-bars.svg" alt="W3C" width="72" height="47"><img src="/images/opensource-55x48.png" alt="Open-Source" title="We are building certified Open Source/Free Software. - see www.opensource.org" width="55" height="48"></a> </p> <p id="support_logo"> <a href="https://www.w3.org/donate/"> <img src="https://www.w3.org/QA/Tools/I_heart_validator" alt="I heart Validator logo" title="Donate to W3C" width="80" height="15"> </a> </p> <p class="copyright"><span lang="en" dir="ltr">Copyright © 2024 <a href="https://www.w3.org/">World Wide Web Consortium</a>. <abbr title="World Wide Web Consortium">W3C</abbr><sup>®</sup> <a href="https://www.w3.org/policies/#disclaimers">liability</a>, <a href="https://www.w3.org/policies/#trademarks">trademark</a> and <a rel="license" href="https://www.w3.org/copyright/document-license/" title="W3C Document License">permissive license</a> rules apply.</span></p> </div><!-- footer --> </body> </html>