<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.3//EN" "https://www.web3d.org/specifications/x3d-3.3.dtd">
<X3D profile='Immersive' version='3.3' xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation='https://www.web3d.org/specifications/x3d-3.3.xsd'>
  <head>
    <!-- note quotes in comment and meta reference: https://en.wikipedia.org/wiki/"Hello,_World!"_program -->
    <meta content='TextSpecialCharacters.x3d' name='title'/>
    <meta content='Text node demonstration of quotation, apostrophe, ampersand and backslash characters using X3D MFString escaping for XML character entities.' name='description'/>
    <meta content='Don Brutzman' name='creator'/>
    <meta content='12 July 2008' name='created'/>
    <meta content='20 October 2019' name='modified'/>
    <meta content='See screenshot figures and various encoding conversions to note that multiple equivalences in XML character representations lead to consistent results despite slight differences in source.' name='info'/>
    <meta content='TextSpecialCharactersScreenshotXmlSource.png' name='reference'/>
    <meta content='TextSpecialCharactersScreenshotPrettyPrintHtml.png' name='reference'/>
    <meta content='Character entity references in HTML 4, http://www.w3.org/TR/REC-html40/sgml/entities.html' name='reference'/>
    <meta content='https://en.wikipedia.org/wiki/"Hello,_World!"_program' name='reference'/>
    <meta content='Copyright (c) Don Brutzman and Leonard Daly, 2008' name='rights'/>
    <meta content='https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter02GeometryPrimitives/TextSpecialCharacters.x3d' name='identifier'/>
    <meta content='X3D-Edit 3.3, https://www.web3d.org/x3d/tools/X3D-Edit' name='generator'/>
    <meta content='../license.html' name='license'/>
  </head>
  <Scene>
    <WorldInfo title='TextSpecialCharacters.x3d'/>
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    <Viewpoint description='Default View' position='0 0 15'/>
    <Shape>
      <!-- Empty string "" means to skip a line -->
      <!-- The ampersand escape characters are based on XML rules -->
      <!-- apostrophe ' is &apos; and needs to be escaped in single-quote delimiters used for string='value' attribute -->
      <!-- ampersand & is &amp; and needs to be escaped -->
      <!-- quotation mark " is &quot; and isn't needed if single-quote delimiters used for string='value' attribute -->
      <!-- quotation mark " character can be used within an X3D string value if escaped with backslash \ as \" -->
      <!-- backslash \ is used as escape character for " (and itself) in X3D -->
      <!-- character entities are listed in HTML specification and are good for any XML -->
      <Text DEF='DefaultText' string='"Character entity substitutions:"         "empty string \"\" skips a line:"         ""         "apostrophe  &apos;  is &amp;apos;"          "ampersand &amp; is &amp;"         "quote mark  \"  is &amp;quot;"         "backslash \\ is X3D escape character"         "double backslash \\\\ is X3D backslash \\ character"         "Pi Π is &amp;#928; XML character entity"'>
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</X3D>