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[css-size-adjust] text-size-adjust is non-negative #3891

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Oct 29, 2019
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7 changes: 4 additions & 3 deletions css-size-adjust-1/Overview.bs
Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,7 @@ Module interactions {#placement}
Values {#values}
----------------

This specification follows the <a href="https://www.w3.org/TR/CSS21/about.html#property-defs">CSS property definition conventions</a> from [[!CSS2]].
This specification follows the <a href="https://www.w3.org/TR/CSS21/about.html#property-defs">CSS property definition conventions</a> from [[!CSS21]].
Value types not defined in this specification are defined in CSS Values & Units [[!CSS-VALUES-3]].
Other CSS modules may expand the definitions of these value types.

Expand Down Expand Up @@ -151,7 +151,7 @@ Size adjustment control: the 'text-size-adjust' property {#adjustment-control}

<pre class=propdef>
Name: text-size-adjust
Value: auto | none | &lt;percentage&gt;
Value: auto | none | <<percentage>>
Initial: auto
Applies to: all elements
Inherited: yes
Expand All @@ -168,7 +168,8 @@ Size adjustment control: the 'text-size-adjust' property {#adjustment-control}
<dd>Renderers must not do size adjustment when displaying on a small device.</dd>
<dt><dfn>&lt;percentage&gt;</dfn></dt>
<dd>When displaying on a small device, renderers must not do size adjustment but instead the computed value of 'font-size' must be multiplied by this percentage.
<p class="note">Note: This means that 'text-size-adjust: 100%;' is equivalent to 'text-size-adjust: none;'.</p></dd>
<p class="note">Note: This means that 'text-size-adjust: 100%;' is equivalent to 'text-size-adjust: none;'.</p>
<p>Negative values are invalid.
</dl>

Issue: "Small device" is not well defined. We should clearly specify
Expand Down