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12 changes: 12 additions & 0 deletions js/lang/en/topics.json
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"id": "schema.org",
"showInRootIndex": false,
"categories": [
{
"title": "accessMode",
"id": "accessmode",
"indexPage": "../accessMode.html",
"showInRootIndex": false
},
{
"title": "accessModeSufficient",
"id": "accessmodesufficient",
"indexPage": "../accessModeSufficient.html",
"showInRootIndex": false
},
{
"title": "accessibilityFeature",
"id": "accessibilityfeature",
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2 changes: 1 addition & 1 deletion publishing/docs/conformance/epub.html
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Expand Up @@ -77,7 +77,7 @@ <h3>Conformance</h3>
><code>accessModeSufficient</code></a>).</p>

<p>A more complete overview of this metadata is provided in the <a
href="../metadata/schema-org.html">Schema.org Metadata</a> section of this knowledge base.</p>
href="../metadata/schema.org/index.html">Schema.org Metadata</a> section of this knowledge base.</p>

<p>The inclusion of this metadata allows EPUB publications to be self-descriptive about their
accessibility conformance, or lack thereof.</p>
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-143/143-00.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 00 is used to indicate that a publication presents no known hazards of warnings.</p>
<p>Code 00 indicates that a publication presents no known hazards of warnings.</p>

<p>When there are no hazards, either set this value or each of codes
<a href="143-14.html">14</a>, <a href="143-16.html">16</a>, and <a href="143-18.html">18</a>.
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-143/143-13.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 13 is used to indicate that the publication contains content which may affect photosensitive
<p>Code 13 indicates that the publication contains content which may affect photosensitive
readers.</p>

<p>This code corresponds to <a href="https://www.w3.org/TR/WCAG2/#three-flashes-or-below-threshold">WCAG
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-143/143-14.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 14 is used to indicate that a publication does not contain any known <a
<p>Code 14 indicates that a publication does not contain any known <a
href="143-13.html">flashing hazards</a>.</p>

<p>If there are flashing hazards, use <a href="143-13.html">code 13</a>. If the risk cannot be
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-143/143-15.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 15 is used to indicate that the publication contains sounds which may trigger seizures.</p>
<p>Code 15 indicates that the publication contains sounds which may trigger seizures.</p>

<p>Sounds hazards are currently not well defined, so there is no standard way to check if
the sounds in a publication may affect readers.</p>
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-143/143-16.html
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Expand Up @@ -19,7 +19,7 @@
<section id="def">
<h3>Explanation</h3>

<p>Code 16 is used to indicate that a publication does not contain any known <a
<p>Code 16 indicates that a publication does not contain any known <a
href="143-15.html">sound hazards</a>.</p>

<p>If there are sound hazards, use <a href="143-15.html">code 15</a>. If the risk cannot be
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-143/143-17.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 17 is used to indicate that the publication contains content that simulates motion
<p>Code 17 indicates that the publication contains content that simulates motion
which may cause discomfort in sensitive individuals.</p>

<p>Simulated motion can take a number of forms. For example, interactive games, particularly
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-143/143-18.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 18 is used to indicate that a publication does not contain any known <a
<p>Code 18 indicates that a publication does not contain any known <a
href="143-17.html">motion simulation hazards</a>.</p>

<p>If there are motion simulation hazards, use <a href="143-17.html">code 17</a>. If the risk
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-143/143-24.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 24 is used to indicate that the publisher has not been able to determine if a flashing
<p>Code 24 indicates that the publisher has not been able to determine if a flashing
hazard is present.</p>

<p>Note that publications must be checked for flashing hazards to make a claim of conformance
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-143/143-25.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 25 is used to indicate that the publisher has not been able to determine if the content
<p>Code 25 indicates that the publisher has not been able to determine if the content
presents a sound hazard.</p>

<p>As sound hazards are currently not well defined, using this value when a publication contains
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-143/143-26.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 26 is used to indicate that the publisher has not been able to determine if the content
<p>Code 26 indicates that the publisher has not been able to determine if the content
presents motion simulation hazards.</p>

<p>When indicating that a motion simulation hazard is not known, the reason why it is not known
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-01.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 01 is used to indicate that the EPUB conforms to the Libri Italiani Accessibili guidelines.</p>
<p>Code 01 indicates that the EPUB conforms to the Libri Italiani Accessibili guidelines.</p>

<p>This value is only used for books in Italy checked by the LIA Foundation.</p>
</section>
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-05.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 05 is used to indicate that a PDF conforms to the requirements of ISO 32000-1:2008
<p>Code 05 indicates that a PDF conforms to the requirements of ISO 32000-1:2008
and ISO 14289-1:2014 (PDF/UA-1).</p>

<p>Only for use in ONIX 3.0 or later.</p>
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-06.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 06 is used to indicate that a PDF conforms to the requirements of ISO 32000-2:2020 and
<p>Code 06 indicates that a PDF conforms to the requirements of ISO 32000-2:2020 and
ISO 14289-2:2014 (PDF/UA-2).</p>

<p>Only for use in ONIX 3.0 or later.</p>
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-08.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 08 is used to indicate that a digital publication has not yet been assessed for accessibility
<p>Code 08 indicates that a digital publication has not yet been assessed for accessibility
or only incomplete accessibility information is provided.</p>

<p>The &lt;ProductFormFeatureDescription> element can be added to explain why the accessibility of
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-09.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 09 is used to indicate that a digital publication failed to meet accessibility standards.</p>
<p>Code 09 indicates that a digital publication failed to meet accessibility standards.</p>

<p>The reason(s) why the publication failed accessibility testing can be provided in the <a
href="196-92.html">accessibility addendum (code 92)</a>.</p>
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-12.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 12 is used to indicate that a digital publication includes a working index &#8212; one that
<p>Code 12 indicates that a digital publication includes a working index &#8212; one that
either hyperlinks users to the location where terms are discussed or provides a similar access
mechanism (e.g., includes a <a href="../../../navigation/pagelist.html">page list</a> so that users
can jump to the <a href="../../../navigation/pagebreaks.html">static page markers</a> in their
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-13.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 13 is used to indicate that the <a href="../../../html/order.html">logical reading order</a> of
<p>Code 13 indicates that the <a href="../../../html/order.html">logical reading order</a> of
a publication is preserved.</p>

<p>In EPUB, the logical reading order is expressed both through the <code>spine</code> element, the'
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-14.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 14 is used to indicate that all non-decorative images provide short alternative text
<p>Code 14 indicates that all non-decorative images provide short alternative text
equivalents. It is not required to include extended descriptions for complex images to
set this code (see <a href="196-15.html">code 15</a>).</p>

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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-15.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 15 is used to indicate that all non-text content that cannot be explained through
<p>Code 15 indicates that all non-text content that cannot be explained through
alternative text alone (see <a href="196-14.html">code 14</a>) include extended
descriptions.</p>

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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-16.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 16 is used to indicate that there are data visualizations in the publication and that
<p>Code 16 indicates that there are data visualizations in the publication and that
the data they contain is also provided in textual form. The code overlaps with with
<a href="196-15.html">code 15</a> but indicates this more specific type of content is
present and has extended descriptions.</p>
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-17.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 17 is used to indicate that MathML markup has been provided for math content.</p>
<p>Code 17 indicates that MathML markup has been provided for math content.</p>

<p>Although the ONIX description for this code prefers the inclusion of Semantic MathML, web
user agents, such as EPUB reading systems, only support the display and voicing of
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-18.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 18 is used to indicate that ChemML markup has been provided for chemical formulas and
<p>Code 18 indicates that ChemML markup has been provided for chemical formulas and
equations.</p>

<p>No reading systems provide support for rendering ChemML, however, and EPUB does not support
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-19.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 19 is used to indicate that the publication contains static page breaks markers.</p>
<p>Code 19 indicates that the publication contains static page breaks markers.</p>

<p>It is not required that there be a pre-paginated source for the page breaks, such as a source
print book. Static page breaks may be included for digital-only publications.</p>
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-20.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 20 is used to indicate that a publication provides readers the ability to play back pre-recorded
<p>Code 20 indicates that a publication provides readers the ability to play back pre-recorded
audio that is synchronized with the text content.</p>

<p>This value should only be set if the audio substantively covers the content of the publication,
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-21.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 21 is used to indicate that text-to-speech playback has been optimised through the inclusion
<p>Code 21 indicates that text-to-speech playback has been optimised through the inclusion
of PLS lexicons, SSML or CSS Speech synthesis hints.</p>

<p>These technologies are not supported, or widely supported, so setting this code is rare.</p>
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-22.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 22 is used to indicate that the language of the text has been specified to improve
<p>Code 22 indicates that the language of the text has been specified to improve
text-to-speech rendering of the content.</p>

<p>For HTML documents, this is done by setting the <code>lang</code> attribute. For XHTML documents
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-24.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 24 is used to indicate that a publication has been formatted specifically for reading by
<p>Code 24 indicates that a publication has been formatted specifically for reading by
users with dyslexia.</p>

<p>The publication will likely include <q>specialised font, character and/or line spacing, justification
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-25.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 25 is used to indicate that a publication is optimized so that color is not the sole means of
<p>Code 25 indicates that a publication is optimized so that color is not the sole means of
conveying information.</p>

<p>This code corresponds to <a href="https://www.w3.org/TR/WCAG2/#use-of-color">WCAG Success Criterion
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-26.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 26 is used to indicate that there is a contrast ratio of at least 4.5:1 between text and its
<p>Code 26 indicates that there is a contrast ratio of at least 4.5:1 between text and its
background. The contrast ration must be at least 3:1 for large/heading text.</p>

<p>This code corresponds to <a href="https://www.w3.org/TR/WCAG2/#contrast-minimum">WCAG 2 Success Criterion
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-27.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 27 is used to indicate that foreground audio content is presented with no background noise,
<p>Code 27 indicates that foreground audio content is presented with no background noise,
low background noise (at least 20dB below the level of the foreground), or background noise can
be switched off.</p>

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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-28.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 28 is used to indicate that <q>all or substantially all non-text content has full alternative
<p>Code 28 indicates that <q>all or substantially all non-text content has full alternative
descriptions as pre-recorded audio.</q></p>

<p>This code applies if extended descriptions, transcripts, etc. also offer an option to be listened
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-29.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 29 is used to indicate that the markup accurately represents the structure and headings of
<p>Code 29 indicates that the markup accurately represents the structure and headings of
the content, thereby allowing users to navigate the content using assistive technology shortcuts.</p>

<p>This code is generally the equivalent of meeting the structuring requirements of <a
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-30.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 30 is used to indicate that <a href="../../../script/aria.html">ARIA roles</a> are use to organize
<p>Code 30 indicates that <a href="../../../script/aria.html">ARIA roles</a> are use to organize
the structure and identify landmarks for navigation.</p>

<p>This code is not used to identify that ARIA roles, states, and properties are used to make dynamic
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-31.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 31 is used to indicate that controls for scripted content are accessible.</p>
<p>Code 31 indicates that controls for scripted content are accessible.</p>

<p>Whenever possible, it is advised to use native HTML elements for scripted content.
ARIA roles, states, and properties should only be used to construct custom controls
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-32.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 32 is used to indicate that a publication includes landmark navigation.</p>
<p>Code 32 indicates that a publication includes landmark navigation.</p>

<p>Landmark navigation is not the same as the landmarks compiled from ARIA roles. EPUB 3,
for example, allows <a href="../../../navigation/landmarks.html">landmark navigation</a>
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-34.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 34 is used to indicate that chemical equations are expressed using MathML markup.</p>
<p>Code 34 indicates that chemical equations are expressed using MathML markup.</p>

<p>Only for use in ONIX 3.0 or later.</p>
</section>
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-35.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 35 is used to indicate that mathematical equations are expressed using the LaTeX
<p>Code 35 indicates that mathematical equations are expressed using the LaTeX
formatting language.</p>

<p>It is not common to find LaTeX used to directly render equations in publications, but
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-36.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 36 is used to indicate that the styling of the publication does not interfere with users'
<p>Code 36 indicates that the styling of the publication does not interfere with users'
ability to control the appearance of the text.</p>

<p>This code typically means that the author has not used inline styles and CSS <code>important</code>
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-37.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 37 is used to indicate that there is a contrast ratio of at least 7:1 between text and its
<p>Code 37 indicates that there is a contrast ratio of at least 7:1 between text and its
background. The contrast ration must be at least 4.5:1 for large/heading text.</p>

<p>This code corresponds to <a href="https://www.w3.org/TR/WCAG2/#contrast-enhanced">WCAG 2 Success Criterion
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-38.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 38 is used to indicate that definitions are provided for any unusual words, idioms, jargons, or
<p>Code 38 indicates that definitions are provided for any unusual words, idioms, jargons, or
abbreviations.</p>

<p>Definitions could be provided inline, in the case of expanded abbrevations, or could be contained
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2 changes: 1 addition & 1 deletion publishing/docs/metadata/onix/codelist-196/196-39.html
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<section id="def">
<h3>Explanation</h3>

<p>Code 39 is used to indicate that all supplemental textual and visual material necessary to
<p>Code 39 indicates that all supplemental textual and visual material necessary to
understand the publication is either available as text for text-to-speech rendering or
pre-recorded audio is provided for it.</p>

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