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Text spacing update #860

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Aug 27, 2019
Merged

Text spacing update #860

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57f43f9
Updates from Jim's doc.
alastc Aug 13, 2019
9348f46
editorial
Aug 27, 2019
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9 changes: 5 additions & 4 deletions understanding/21/text-spacing.html
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Expand Up @@ -9,11 +9,12 @@
<h1>Understanding Text Spacing</h1>
<section id="intent">
<h2>Intent</h2>
<p>The intent of this Success Criterion (SC) is to ensure that people can override text spacing to improve their reading experience. Each of the requirements stipulated in the SC's four bullets helps ensure text styling can be adapted by the user to suit their needs.</p>
<p>This SC focuses on the ability to increase spacing between lines, words, letters, and paragraphs. Any combination of these may assist a user with effectively reading text. As well, ensuring users can override author settings for spacing also signficantly increases the likelihood other style preferences can be set by the user. For example, a user may need to change to a wider font family than the author has set in order to effectively read text. </p>
<p>The intent of this Success Criterion (SC) is to ensure that people can override author specified text spacing to improve their reading experience. Each of the requirements stipulated in the SC's four bullets helps ensure text styling can be adapted by the user to suit their needs.</p>
<p>The specified metrics set a minimum baseline. The values in between the author's metrics and the metrics specified in this SC should not have loss of content or functionality.</p>
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At first reading, it sounds like the second sentence (about in-between values) follows on directly from the fist (mentioning the minimum baseline). But that's not really the case. Maybe the second sentence needs an "also" somewhere to make it clear this is an additional intention/requirement.

Also, later on under author responsibility the same first sentence is repeated, but there's a different follow-on. That looks odd/confusing. I'd say maybe remove this paragraph here, and add the second sentence from here to the one in author responsibility, to keep it all in one place - as it's the author's responsibility to also ensure that the in-between metrics work.

<p>This SC focuses on the ability to increase spacing between lines, words, letters, and paragraphs. Any combination of these may assist a user with effectively reading text. As well, ensuring users can override author settings for spacing also significantly increases the likelihood other style preferences can be set by the user. For example, a user may need to change to a wider font family than the author has set in order to effectively read text. </p>
<section>
<h3 id="authorresp">Author Responsibility </h3>
<p>This SC does not dictate that authors must set all their content to the specified metrics. Rather, it specifies that an author's content has the ability to be set to those metrics without loss of content or functionality. The author requirement is both to not interfere with a user's ability to override the author settings, and to ensure that content thus modified does not break content in the manners shown in figures 1 through 3 in Effects of Not Allowing for Spacing Override.</p>
<p>This SC does not dictate that authors must set all their content to the specified metrics. Rather, it specifies that an author's content has the ability to be set to those metrics without loss of content or functionality. The author requirement is both to not interfere with a user's ability to override the author settings, and to ensure that content thus modified does not break content in the manners shown in figures 1 through 3 in Effects of Not Allowing for Spacing Override. The values in the SC are a baseline. Authors are encouraged to surpass the values specified, not see them as a ceiling to build to. If the user chooses to go beyond the metrics specified any resulting loss of content or functionality is the user's responsibility.</p>
<section>
<h4 id="applicability">Applicability</h4>
<p>If the markup-based technologies being used are capable of overriding text to the Success Criterion's metrics, then this SC is applicable. For instance Cascading Style Sheet/HTML technologies are quite able to allow for the specified spacing metrics. Plugin technologies would need to have a built-in ability to modify styles to the specified metrics. Currently, this SC does not apply to PDF as it is not implemented using markup.</p>
Expand All @@ -27,7 +28,7 @@ <h4 id="applicability">Applicability</h4>
</section>
<section>
<h3 id="userresp">User Responsibility</h3>
<p>The ability to read and derive meaning from the overridden spacing rests with the user. If the increased spacing impacts those abilities, the user will adjust or they will return to the default view. Regardless, the user needs the flexibility to adjust spacing within the bounds set in the SC. Such changes may be acheived via user stylesheet, bookmarklet, extension, or application.</p>
<p>The ability to read and derive meaning from the overridden spacing rests with the user. The user may choose to exceed the spacing adjustments in the SC. If the increased spacing causes loss of content or functionality, the user will adjust or return to the author’s original spacing or spacing within the bounds of the SC. Regardless, the user needs the flexibility to adjust spacing within the bounds set in the SC without loss of content or functionality. Such changes may be achieved via user stylesheet, bookmarklet, extension, or application.</p>
</section>

<section>
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