This document was successfully checked as SVG 1.1 + URL + HTML + MathML 3.0!

Result: Passed, 1 warning(s)
:
: utf-8
: SVG 1.1 + URL + HTML + MathML 3.0
Root Element: svg
Root Namespace: http://www.w3.org/2000/svg
Options

Help on the options is available.

Notes and Potential Issues

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 highly recommended to check these potential issues, and, if necessary, fix them and re-validate the document.

  1. Info No Character encoding declared at document level

    No character encoding information was found within the document, either in an HTML meta 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.

    See this tutorial on character encoding for techniques and explanations.

Congratulations

The document located at <https://upload.wikimedia.org/wikipedia/commons/5/5b/Flag_of_Hong_Kong.svg> 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 Compound XML and libxml2 (XML).

Linking to this result

If you would like to create a link to this 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 <http://validator.w3.org/check?uri=https%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2F5%2F5b%2FFlag_of_Hong_Kong.svg;ss=1> (or you can just add the current page to your bookmarks or hotlist).

Validating CSS Style Sheets

If you use CSS in your document, you can check it using the W3C CSS Validation Service.

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Source Listing

Below is the source input I used for this validation:

  1. <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="900" height="600" fill="#ee1c25">
  2. <path d="M0 0h900v600H0z"/>
  3. <g id="a">
  4. <path d="M492.936022 125.19583a27.917245 27.917245 0 0 0-14.901582 41.791893 45.171052 45.171052 0 0 1-20.289932 66.204239 38.650583 38.650583 0 0 0-10.816469 64.313021 68.374981 68.374981 0 0 1-17.067835-93.913589 15.809868 15.809868 0 0 1-1.109109-1.047777 69.880683 69.880683 0 0 0 16.754434 95.793146 90.342104 90.342104 0 0 1 47.430493-173.140933" fill="#fff"/>
  5. <path d="M451.979333 181.099409l-27.564739 12.021638 29.366483 6.476437-19.951229-22.500734 2.915284 29.930515"/>
  6. </g>
  7. <g id="b">
  8. <use xlink:href="#a" transform="rotate(72 450 300)"/>
  9. <use xlink:href="#a" transform="rotate(216 450 300)"/>
  10. </g>
  11. <use xlink:href="#b" transform="rotate(72 450 300)"/>
  12. </svg>

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