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[css-cascade] Preemptively remove 'default' so we can clean up other problems.
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‎css-cascade/Overview.html‎

Lines changed: 29 additions & 81 deletions
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@@ -181,21 +181,14 @@ <h2 class="no-num no-toc" id=table-of-contents> Table of contents</h2>
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<li><a href="#cascaded-value"><span class=secno>4.2.4. </span> The
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Cascaded Value</a>
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</ul>
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<li><a href="#defaulting"><span class=secno>4.3. </span> Inheritance and
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Defaulting</a>
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<ul class=toc>
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<li><a href="#initial"><span class=secno>4.3.1. </span> Initial value:
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<li><a href="#initial"><span class=secno>4.2.5. </span> Initial value:
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the ‘<code class=css>initial</code>’ keyword</a>
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<li><a href="#inheritance"><span class=secno>4.3.2. </span>
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<li><a href="#inheritance"><span class=secno>4.2.6. </span>
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Inheritance: the ‘<code class=css>inherit</code>’ keyword</a>
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<li><a href="#default"><span class=secno>4.3.3. </span> Rolling back
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the cascade: the ‘<code class=css>default</code>’ keyword</a>
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<li><a href="#no-value"><span class=secno>4.3.4. </span> When There Is
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<li><a href="#no-value"><span class=secno>4.2.7. </span> When There Is
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No Cascaded Value</a>
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</ul>
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</ul>
@@ -428,7 +421,7 @@ <h3 id=all-shorthand><span class=secno>3.1. </span> Resetting All
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<tr>
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<th>Value:
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<td>initial | inherit | default
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<td>initial | inherit
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<tr>
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<th>Initial:
@@ -474,12 +467,15 @@ <h3 id=all-shorthand><span class=secno>3.1. </span> Resetting All
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<div class=example>
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<p> For example, if an author specifies ‘<code class=css>all:
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default</code>’ on an element it will block all inheritance and reset
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all properties, as if no rules appeared in the author level of the
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cascade.
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initial</code>’ on an element it will block all inheritance and reset
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all properties, as if no rules appeared in the author, user, or
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user-agent levels of the cascade.
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<p> This can be useful for the root element of a "widget" included in a
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page, which does not wish to inherit the styles of the outer page.
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page, which does not wish to inherit the styles of the outer page. Note,
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however, that any "default" style applied to that element (such as, e.g.
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‘<code class=css>display: block</code>’ from the UA style sheet on
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block elements such as <code>&lt;div></code>) will also be blown away.
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</div>
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<h2 id=cascade-and-inheritance><span class=secno>4. </span> Cascading and
@@ -773,32 +769,28 @@ <h4 id=preshint><span class=secno>4.2.3. </span> Precedence of Non-CSS
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maps its presentation attributes into the author level.
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<p class=note> Presentational hints entering the cascade at the UA level
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can be overridden by user styles. Presentational hints entering the
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cascade at the author level can be overridden by the author's use of the
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‘<a href="#default-keyword"><code class=css>default</code></a>’
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keyword. Host languages should choose the appropriate level for
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presentational hints with these considerations in mind.
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can be overridden by author or user styles. Presentational hints entering
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the cascade at the author level can be overridden by author styles, but
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not by non-<a href="#important"><code>!important</code></a> user styles.
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Host languages should choose the appropriate level for presentational
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hints with these considerations in mind.
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<h4 id=cascaded-value><span class=secno>4.2.4. </span> The Cascaded Value</h4>
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<p> The <dfn id=cascaded-value0>cascaded value</dfn> represents the result
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of the cascade. It is the value of the first declaration in the <a
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href="#output-of-the-cascade"><i>output of the cascade</i></a> (after any
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rollback steps have been performed, see below). If the <a
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href="#output-of-the-cascade"><i>output of the cascade</i></a>. If the <a
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href="#output-of-the-cascade"><i>output of the cascade</i></a> is an empty
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list, there is no cascaded value.
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<h3 id=defaulting><span class=secno>4.3. </span> Inheritance and Defaulting</h3>
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<p> In most cases, the <a href="#specified-value"><i>specified
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value</i></a> is the <a href="#cascaded-value0"><i>cascaded value</i></a>.
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However, the ‘<a href="#initial-keyword"><code
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class=css>initial</code></a>’, ‘<a href="#inherit-keyword"><code
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class=css>inherit</code></a>’, and ‘<a href="#default-keyword"><code
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class=css>default</code></a>’ values are handled specially when they are
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class=css>initial</code></a>’ and ‘<a href="#inherit-keyword"><code
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class=css>inherit</code></a>’ values are handled specially when they are
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the <a href="#cascaded-value0"><i>cascaded value</i></a> of a property.
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<h4 id=initial><span class=secno>4.3.1. </span> Initial value: the ‘<a
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<h4 id=initial><span class=secno>4.2.5. </span> Initial value: the ‘<a
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href="#initial-keyword"><code class=css>initial</code></a>’ keyword</h4>
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<p> Each property has an <dfn id=initial-value>initial value</dfn>, defined
@@ -808,7 +800,7 @@ <h4 id=initial><span class=secno>4.3.1. </span> Initial value: the ‘<a
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property's <a href="#initial-value"><i>initial value</i></a> becomes its
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<a href="#specified-value"><i>specified value</i></a>.
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<h4 id=inheritance><span class=secno>4.3.2. </span> Inheritance: the ‘<a
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<h4 id=inheritance><span class=secno>4.2.6. </span> Inheritance: the ‘<a
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href="#inherit-keyword"><code class=css>inherit</code></a>’ keyword</h4>
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<p> Some properties are <dfn id=inherited-properties
@@ -844,45 +836,7 @@ <h4 id=inheritance><span class=secno>4.3.2. </span> Inheritance: the ‘<a
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<p class=issue> Not sure if the latter is correct, or if it should be just
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the specified value (matching the 2.1 errata).
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<h4 id=default><span class=secno>4.3.3. </span> Rolling back the cascade:
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the ‘<a href="#default-keyword"><code class=css>default</code></a>’
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keyword</h4>
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<p> CSS Cascading and Inheritance Level 3 introduces the <dfn
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id=default-keyword>‘<code class=css>default</code>’</dfn> keyword as a
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<a href="http://www.w3.org/TR/css3-values/#common-keywords">CSS-wide
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keyword</a> accepted by all properties.
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<p> If the <a href="#cascaded-value0"><i>cascaded value</i></a> is the
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‘<a href="#default-keyword"><code class=css>default</code></a>’
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keyword, the behavior depends on the origin to which the declaration
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belongs:
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<dl>
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<dt>user-agent origin
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<dd> Equivalent to ‘<a href="#inherit-keyword"><code
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class=css>inherit</code></a>’ or ‘<a href="#initial-keyword"><code
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class=css>initial</code></a>’, depending on whether the property is
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<i>inherited</i> or not.
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<dt>user origin
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<dd> Rolls back the cascade to the user-agent level, so that the <a
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href="#specified-value"><i>specified value</i></a> is calculated as if no
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author-level or user-level rules were specified for this property.
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<dt>author origin
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<dd> Rolls back the cascade to the user level, so that the <a
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href="#specified-value"><i>specified value</i></a> is calculated as if no
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author-level rules were specified for this property. For the purpose of
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‘<a href="#default-keyword"><code class=css>default</code></a>’, this
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origin includes the Override and Animation <a
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href="#origin"><i>origins</i></a>.
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</dl>
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<h4 id=no-value><span class=secno>4.3.4. </span> When There Is No Cascaded
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<h4 id=no-value><span class=secno>4.2.7. </span> When There Is No Cascaded
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Value</h4>
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<p> Sometimes, the <a href="#output-of-the-cascade"><i>output of the
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href="http://www.w3.org/mid/4F570227.8060707@mit.edu">Boris Zbarsky's
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suggestion</a>.
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<li>Introduced ‘<a href="#default-keyword"><code
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class=css>default</code></a>’ keyword.
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<li>Introduced ‘<a href="#all"><code class=property>all</code></a>’
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shorthand.
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</ul>
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<li>computed value, <a href="#computed-value"
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title="section 5.2."><strong>5.2.</strong></a>
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<li>‘<code class=css>default</code>’, <a href="#default-keyword"
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title="section 4.3.3."><strong>4.3.3.</strong></a>
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<li>‘<code class=css>@import</code>’, <a href="#atimport"
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title="section 2."><strong>2.</strong></a>
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title="section 2."><strong>2.</strong></a>
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<li>‘<code class=css>inherit</code>’, <a href="#inherit-keyword"
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title="section 4.3.2."><strong>4.3.2.</strong></a>
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title="section 4.2.6."><strong>4.2.6.</strong></a>
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<li>Inheritance, <a href="#inherit"
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title="section 4.3.2."><strong>4.3.2.</strong></a>
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title="section 4.2.6."><strong>4.2.6.</strong></a>
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<li>inherited properties, <a href="#inherited-properties"
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title="section 4.3.2."><strong>4.3.2.</strong></a>
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title="section 4.2.6."><strong>4.2.6.</strong></a>
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<li>inherited property, <a href="#inherited-properties"
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title="section 4.3.2."><strong>4.3.2.</strong></a>
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title="section 4.2.6."><strong>4.2.6.</strong></a>
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<li>inherited value, <a href="#inherited-value"
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title="section 4.3.2."><strong>4.3.2.</strong></a>
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title="section 4.2.6."><strong>4.2.6.</strong></a>
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<li>‘<code class=css>initial</code>’, <a href="#initial-keyword"
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title="section 4.3.1."><strong>4.3.1.</strong></a>
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title="section 4.2.5."><strong>4.2.5.</strong></a>
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<li>initial value, <a href="#initial-value"
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title="section 4.3.1."><strong>4.3.1.</strong></a>
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title="section 4.2.5."><strong>4.2.5.</strong></a>
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<li>origin, <a href="#origin"
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title="section 4.2.1."><strong>4.2.1.</strong></a>

‎css-cascade/Overview.src.html‎

Lines changed: 11 additions & 41 deletions
Original file line numberDiff line numberDiff line change
@@ -241,7 +241,7 @@ <h3 id="all-shorthand">
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<td><dfn>all</dfn>
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<tr>
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<th>Value:
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<td>initial | inherit | default
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<td>initial | inherit
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<tr>
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<th>Initial:
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<td>See individual properties
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<div class='example'>
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<p>
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For example, if an author specifies ''all: default'' on an element
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For example, if an author specifies ''all: initial'' on an element
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it will block all inheritance and reset all properties,
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as if no rules appeared in the author level of the cascade.
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as if no rules appeared in the author, user, or user-agent levels of the cascade.
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<p>
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This can be useful for the root element of a "widget" included in a page,
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which does not wish to inherit the styles of the outer page.
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Note, however, that any "default" style applied to that element
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(such as, e.g. ''display: block'' from the UA style sheet on block elements such as <code>&lt;div></code>)
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will also be blown away.
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</div>
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<h2 id="cascade-and-inheritance">
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For example, [[SVG11]] maps its presentation attributes into the author level.
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<p class="note">
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Presentational hints entering the cascade at the UA level can be overridden by user styles.
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Presentational hints entering the cascade at the author level can be overridden by the author's use of the ''default'' keyword.
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Presentational hints entering the cascade at the UA level can be overridden by author or user styles.
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Presentational hints entering the cascade at the author level can be overridden by author styles,
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but not by non-<code>!important</code> user styles.
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Host languages should choose the appropriate level for presentational hints with these considerations in mind.
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<h4 id="cascaded-value">
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The Cascaded Value</h4>
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<p>
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The <dfn>cascaded value</dfn> represents the result of the cascade.
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It is the value of the first declaration in the <i>output of the cascade</i>
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(after any rollback steps have been performed, see below).
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It is the value of the first declaration in the <i>output of the cascade</i>.
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If the <i>output of the cascade</i> is an empty list,
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there is no cascaded value.
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<h3 id="defaulting">
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Inheritance and Defaulting</h3>
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<p>
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In most cases, the <i>specified value</i> is the <i>cascaded value</i>.
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However, the ''initial'', ''inherit'', and ''default'' values
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However, the ''initial'' and ''inherit'' values
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are handled specially when they are the <i>cascaded value</i> of a property.
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<h4 id="initial">
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<p class='issue'>
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Not sure if the latter is correct, or if it should be just the specified value (matching the 2.1 errata).
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<h4 id="default">
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Rolling back the cascade: the ''default'' keyword</h4>
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<p>
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CSS Cascading and Inheritance Level 3 introduces the <dfn id="default-keyword">''default''</dfn> keyword
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as a <a href="http://www.w3.org/TR/css3-values/#common-keywords">CSS-wide keyword</a>
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accepted by all properties.
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<p>
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If the <i>cascaded value</i> is the ''default'' keyword,
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the behavior depends on the origin to which the declaration belongs:
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<dl>
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<dt>user-agent origin
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<dd>
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Equivalent to ''inherit'' or ''initial'', depending on whether the property is <i>inherited</i> or not.
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<dt>user origin
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<dd>
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Rolls back the cascade to the user-agent level,
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so that the <i>specified value</i> is calculated as if no author-level or user-level rules were specified for this property.
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<dt>author origin
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<dd>
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Rolls back the cascade to the user level,
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so that the <i>specified value</i> is calculated as if no author-level rules were specified for this property.
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For the purpose of ''default'', this origin includes the Override and Animation <i>origins</i>.
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</dl>
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<h4 id='no-value'>
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When There Is No Cascaded Value</h4>
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@@ -899,7 +870,6 @@ <h3 id="changes-2012">
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<li>Imported and updated <a href="#value-stages">Stages of Value Computation</a> section
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from old drafts of <a href="http://www.w3.org/TR/css3-values/">CSS Values and Units</a>.
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<li>Introduced <a href="#cascade-scope">scoping</a> per <a href="http://www.w3.org/mid/4F570227.8060707@mit.edu">Boris Zbarsky's suggestion</a>.
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<li>Introduced ''default'' keyword.
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<li>Introduced 'all' shorthand.
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</ul>
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