[ttml2] specify tts:{extent,origin} use with {div,p} to imply inline region (action 215, issue 176, change proposal 2).
authorGlenn Adams <glenn@skynav.com>
Thu, 27 Mar 2014 01:14:23 -0600
changeset 604c9fd49837446
parent 603 9b51dd7e1edf
child 605 bde579b2284f
[ttml2] specify tts:{extent,origin} use with {div,p} to imply inline region (action 215, issue 176, change proposal 2).
ttml2/spec/ttml2-changes.html
ttml2/spec/ttml2.html
ttml2/spec/ttml2.xml
ttml2/spec/xsd/schema.zip
     1.1 --- a/ttml2/spec/ttml2-changes.html	Wed Mar 26 21:47:23 2014 -0600
     1.2 +++ b/ttml2/spec/ttml2-changes.html	Thu Mar 27 01:14:23 2014 -0600
     1.3 @@ -63,6 +63,12 @@
     1.4  * In 7.1.2, add new 'animation' container element as optional child of 'head'
     1.5    element.
     1.6  
     1.7 +* In 7.1.4, specify semantics of using tts:extent and/or tts:origin with 'div'
     1.8 +  element to imply an anonymous inline region.
     1.9 +
    1.10 +* In 7.1.5, specify semantics of using tts:extent and/or tts:origin with p
    1.11 +  element to imply an anonymous inline region.
    1.12 +
    1.13  * In 7.1.7, add region attribute to 'br' element.
    1.14  
    1.15  * In 7.1.7, add timing attributes to 'br' element.
    1.16 @@ -76,6 +82,10 @@
    1.17  * In 8.2.1, add 'set' element to enumeration of element types to which 'style'
    1.18    attribute applies.
    1.19  
    1.20 +* In 8.2.8, add 'div' and 'p' elements to enumeration  of element types to
    1.21 +  which tts:extent applies. Define semantics that causes the use of tts:extent
    1.22 +  to generate an implied inline region.
    1.23 +
    1.24  * In 8.2.9, add 'p' element to enumeration  of element types to which
    1.25    tts:fontFamily applies.
    1.26  
    1.27 @@ -95,6 +105,10 @@
    1.28  * In 8.2.14, add content elements to enumeration of element types to which
    1.29    tts:opacity applies.
    1.30  
    1.31 +* In 8.2.15, add 'div' and 'p' elements to enumeration  of element types to
    1.32 +  which tts:origin applies. Define semantics that causes the use of tts:origin
    1.33 +  to generate an implied inline region.
    1.34 +
    1.35  * In 8.2.17, add content elements to enumeration of element types to which
    1.36    tts:padding applies.
    1.37  
    1.38 @@ -145,7 +159,7 @@
    1.39  <span class="strong">Editorial Changes</span>
    1.40  
    1.41  * In 2.2, add definitions: "anonymous profile", "content profile", "designated profile",
    1.42 -  "fragment identifier", "inline animation", "inline region", "out-of-line animation",
    1.43 +  "fragment identifier", "implied inline region", "inline animation", "inline region", "out-of-line animation",
    1.44     "out-of-line region", "profile", "profile designator", "profile fragment identifier",
    1.45     "undesignated profile".
    1.46  
     2.1 --- a/ttml2/spec/ttml2.html	Wed Mar 26 21:47:23 2014 -0600
     2.2 +++ b/ttml2/spec/ttml2.html	Thu Mar 27 01:14:23 2014 -0600
     2.3 @@ -80,9 +80,9 @@
     2.4  .strong { font-weight: bold }
     2.5  .reqattr { font-weight: bold }
     2.6  .optattr { font-style: italic }
     2.7 -</style><link rel="stylesheet" type="text/css" href="https://www.w3.org/StyleSheets/TR/W3C-ED.css"></head><body>Last Modified: $Date: 2014/03/27 03:47:13 $<div id="revisions"></div><div class="head">
     2.8 +</style><link rel="stylesheet" type="text/css" href="https://www.w3.org/StyleSheets/TR/W3C-ED.css"></head><body>Last Modified: $Date$<div id="revisions"></div><div class="head">
     2.9  <h1><a id="title"></a>Timed Text Markup Language 2 (TTML2)</h1>
    2.10 -<h2><a id="w3c-doctype"></a>Editors' copy $Date: 2014/03/27 03:47:13 $ @@ @@@@ @@@@</h2><dl><dt>This version:</dt><dd>
    2.11 +<h2><a id="w3c-doctype"></a>Editors' copy $Date$ @@ @@@@ @@@@</h2><dl><dt>This version:</dt><dd>
    2.12  <a href="ttml2.html">ttml2.html</a>
    2.13  </dd><dt>Latest version:</dt><dd><a href="https://dvcs.w3.org/hg/ttml/raw-file/default/ttml2/spec/ttml2.html?content-type=text/html;charset=utf-8">https://dvcs.w3.org/hg/ttml/raw-file/default/ttml2/spec/ttml2.html?content-type=text/html;charset=utf-8</a></dd><dt>Previous version:</dt><dd>
    2.14  <a href="http://www.w3.org/TR/2010/REC-ttaf1-dfxp-20101118/">http://www.w3.org/TR/2010/REC-ttaf1-dfxp-20101118/</a>
    2.15 @@ -427,11 +427,11 @@
    2.16  H <a href="#other-references">Other References</a> (Non-Normative)<br>
    2.17  I <a href="#requirements">Requirements</a> (Non-Normative)<br>
    2.18  J <a href="#derivation">Vocabulary Derivation</a> (Non-Normative)<br>
    2.19 -&nbsp;&nbsp;&nbsp;&nbsp;J.1 <a href="#d3e22295">Element Derivation</a><br>
    2.20 -&nbsp;&nbsp;&nbsp;&nbsp;J.2 <a href="#d3e22812">Attribute Derivation</a><br>
    2.21 +&nbsp;&nbsp;&nbsp;&nbsp;J.1 <a href="#d3e22425">Element Derivation</a><br>
    2.22 +&nbsp;&nbsp;&nbsp;&nbsp;J.2 <a href="#d3e22942">Attribute Derivation</a><br>
    2.23  K <a href="#qa">QA Framework Compliance</a> (Non-Normative)<br>
    2.24 -&nbsp;&nbsp;&nbsp;&nbsp;K.1 <a href="#d3e23805">Requirements</a><br>
    2.25 -&nbsp;&nbsp;&nbsp;&nbsp;K.2 <a href="#d3e23969">Guidelines</a><br>
    2.26 +&nbsp;&nbsp;&nbsp;&nbsp;K.1 <a href="#d3e23935">Requirements</a><br>
    2.27 +&nbsp;&nbsp;&nbsp;&nbsp;K.2 <a href="#d3e24099">Guidelines</a><br>
    2.28  L <a href="#streaming">Streaming TTML Content</a> (Non-Normative)<br>
    2.29  M <a href="#concrete-encoding">Concrete Encoding</a><br>
    2.30  N <a href="#time-expression-semantics">Time Expression Semantics</a><br>
    2.31 @@ -667,7 +667,9 @@
    2.32  specification.</p></dd><dt class="label"><a id="terms-feature"></a>[feature]</dt><dd><p>A syntactic or semantic expression or capability that is defined and
    2.33  labeled (using a feature designation) in this specification (or a past or
    2.34  future revision of this specification).</p></dd><dt class="label"><a id="terms-fragment-identifier"></a>[fragment identifier]</dt><dd><p>A syntactic expression that adheres to the fragment identifer syntax defined by <a href="#uri">[URI]</a>,
    2.35 -Section 4.1.</p></dd><dt class="label"><a id="terms-inline-animation"></a>[inline animation]</dt><dd><p>An <a href="#animation-vocabulary-animate"><code>animate</code></a> or <a href="#animation-vocabulary-set"><code>set</code></a> element
    2.36 +Section 4.1.</p></dd><dt class="label"><a id="terms-implied-inline-region"></a>[implied inline region]</dt><dd><p>An anonymous (unidentified) <a href="#terms-inline-region">inline region</a> that is implied in the context of a block level content element
    2.37 +due the presence of a <a href="#style-attribute-extent"><code>tts:extent</code></a> or <a href="#style-attribute-origin"><code>tts:origin</code></a>
    2.38 +style attribute on the content element.</p></dd><dt class="label"><a id="terms-inline-animation"></a>[inline animation]</dt><dd><p>An <a href="#animation-vocabulary-animate"><code>animate</code></a> or <a href="#animation-vocabulary-set"><code>set</code></a> element
    2.39  that is defined inline as an immediate child of
    2.40  a <a href="#terms-content-element">content element</a> or <a href="#layout-vocabulary-region"><code>region</code></a> element targetted by the animation.
    2.41  There is a one-to-one relation between
    2.42 @@ -2161,7 +2163,10 @@
    2.43  <code>div</code>, 
    2.44  <code>p</code>,
    2.45  <code>span</code>, and
    2.46 -<code>br</code>.</p></div><p>If no <code>timeContainer</code> attribute is specified on
    2.47 +<code>br</code>.</p></div><p>If a <code>tts:extent</code> or <code>tts:origin</code> style attribute is specified on a <code>div</code> element, then that specification must be considered to be
    2.48 +equivalent to specifying an anonymous <a href="#terms-inline-region">inline region</a> child of the <code>div</code> element, where the
    2.49 +extent or origin of the corresponding region, also referred to as an <a href="#terms-implied-inline-region">implied inline region</a>, is equal to the
    2.50 +value of the respective attribute. If both style attributes are specified, then both apply to the same <a href="#terms-implied-inline-region">implied inline region</a>.</p><p>If no <code>timeContainer</code> attribute is specified on
    2.51  a <code>div</code> element, then it must be interpreted as having
    2.52  <em>parallel</em> time containment semantics.</p></div><div class="div3">
    2.53  <h4><a id="content-vocabulary-p"></a>7.1.5 p</h4><p>A <code>p</code> element represents a logical paragraph, serving as
    2.54 @@ -2200,7 +2205,10 @@
    2.55  attribute or inline style attributes or a combination thereof.</p><div class="note"><p class="prefix"><b>Note:</b></p><p>Style properties that are associated with a <code>p</code> element
    2.56  in a <a href="#terms-document-instance">document instance</a> are available for style inheritance by
    2.57  descendant <a href="#terms-content-element">content elements</a> such as <code>span</code> and
    2.58 -<code>br</code>.</p></div><p>If no <code>timeContainer</code> attribute is specified on
    2.59 +<code>br</code>.</p></div><p>If a <code>tts:extent</code> or <code>tts:origin</code> style attribute is specified on a <code>p</code> element, then that specification must be considered to be
    2.60 +equivalent to specifying an anonymous <a href="#terms-inline-region">inline region</a> child of the <code>p</code> element, where the
    2.61 +extent or origin of the corresponding region, also referred to as an <a href="#terms-implied-inline-region">implied inline region</a>, is equal to the
    2.62 +value of the respective attribute. If both style attributes are specified, then both apply to the same <a href="#terms-implied-inline-region">implied inline region</a>.</p><p>If no <code>timeContainer</code> attribute is specified on
    2.63  a <code>p</code> element, then it must be interpreted as having
    2.64  <em>parallel</em> time containment semantics.</p><p>If a sequence of children of a <code>p</code> element
    2.65  consists solely of <a href="terms-character-information-item">character information items</a>, then that sequence must
    2.66 @@ -2669,6 +2677,8 @@
    2.67  <a href="#style-value-length">&lt;length&gt;</a> <a href="#style-value-length">&lt;length&gt;</a>
    2.68  </td></tr><tr><td><em>Initial:</em></td><td><code>auto</code></td></tr><tr><td><em>Applies to:</em></td><td>
    2.69  <a href="#document-structure-vocabulary-tt"><code>tt</code></a>,
    2.70 +<a href="#content-vocabulary-div"><code>div</code></a>,
    2.71 +<a href="#content-vocabulary-p"><code>p</code></a>,
    2.72  <a href="#layout-vocabulary-region"><code>region</code></a>
    2.73  </td></tr><tr><td><em>Inherited:</em></td><td>no</td></tr><tr><td><em>Percentages:</em></td><td>relative to width and height of <a href="#terms-root-container-region">root container region</a></td></tr><tr><td><em>Animatable:</em></td><td>discrete</td></tr></tbody></table><p>If the value of this attribute consists of two <a href="#style-value-length">&lt;length&gt;</a>
    2.74  specifications, then they must be interpreted as <em>width</em>
    2.75 @@ -2679,7 +2689,10 @@
    2.76  present, or as described by <a href="#document-structure-vocabulary-tt"><b>7.1.1 tt</b></a> if not present.
    2.77  If <code>tts:extent</code> is specified on the <code>tt</code> element, then
    2.78  the width and height must be expressed in terms of two <a href="#style-value-length">&lt;length&gt;</a> specifications,
    2.79 -and these specifications must be expressed as non-percentage, definite lengths using pixel units.</p><p>If a computed value of the property associated with this attribute is not supported,
    2.80 +and these specifications must be expressed as non-percentage, definite lengths using pixel units.</p><p>If a <code>tts:extent</code> attribute is specified on a <code>div</code> or <code>p</code> element, then that specification must be considered to be
    2.81 +equivalent to specifying an anonymous <a href="#terms-inline-region">inline region</a> child of the <code>div</code> or <code>p</code> element, where the
    2.82 +extent of the corresponding region, also referred to as an <a href="#terms-implied-inline-region">implied inline region</a>, is equal to the
    2.83 +value of this attribute.</p><p>If a computed value of the property associated with this attribute is not supported,
    2.84  then a <a href="#terms-presentation-processor">presentation processor</a> must use the closest supported value.</p><div class="note"><p class="prefix"><b>Note:</b></p><p>In this context, the phrase <em>closest supported value</em> means the value for which the Euclidean distance between
    2.85  the computed extent and the supported extent is minimized. If there are multiple closest supported values equally distant from
    2.86  the computed value, then the value most distant from [0,0], i.e., of greatest extent, is used.</p></div><p>The <code>tts:extent</code> style is illustrated by the following example.</p><a id="style-attribute-extent-example-1"></a><table class="example"><caption>Example Fragment – Extent</caption><tbody><tr><td>
    2.87 @@ -2996,11 +3009,16 @@
    2.88  <code>auto</code> |
    2.89  <a href="#style-value-length">&lt;length&gt;</a> <a href="#style-value-length">&lt;length&gt;</a>
    2.90  </td></tr><tr><td><em>Initial:</em></td><td><code>auto</code></td></tr><tr><td><em>Applies to:</em></td><td>
    2.91 +<a href="#content-vocabulary-div"><code>div</code></a>,
    2.92 +<a href="#content-vocabulary-p"><code>p</code></a>,
    2.93  <a href="#layout-vocabulary-region"><code>region</code></a>
    2.94  </td></tr><tr><td><em>Inherited:</em></td><td>no</td></tr><tr><td><em>Percentages:</em></td><td>relative to width and height of <a href="#terms-root-container-region">root container region</a></td></tr><tr><td><em>Animatable:</em></td><td>discrete</td></tr></tbody></table><p>If the value of this attribute consists of two <a href="#style-value-length">&lt;length&gt;</a> specifications,
    2.95  then they must be interpreted as <em>x</em> and <em>y</em> coordinates, where the first specification
    2.96  is the <em>x</em> coordinate, and the second specification is the <em>y</em> coordinate.</p><p>If the value of this attribute is <code>auto</code>, then the computed value
    2.97 -of the style property must be considered to be the same as the origin of the <a href="#terms-root-container-region">root container region</a>.</p><p>If a computed value of the property associated with this attribute is not supported,
    2.98 +of the style property must be considered to be the same as the origin of the <a href="#terms-root-container-region">root container region</a>.</p><p>If a <code>tts:origin</code> attribute is specified on a <code>div</code> or <code>p</code> element, then that specification must be considered to be
    2.99 +equivalent to specifying an anonymous <a href="#terms-inline-region">inline region</a> child of the <code>div</code> or <code>p</code> element, where the
   2.100 +origin of the corresponding region, also referred to as an <a href="#terms-implied-inline-region">implied inline region</a>, is equal to the
   2.101 +value of this attribute.</p><p>If a computed value of the property associated with this attribute is not supported,
   2.102  then a <a href="#terms-presentation-processor">presentation processor</a> must use the closest supported value.</p><div class="note"><p class="prefix"><b>Note:</b></p><p>In this context, the phrase <em>closest supported value</em> means the value for which the Euclidean distance between
   2.103  the computed origin and the supported origin is minimized. If there are multiple closest supported values equally distant from
   2.104  the computed value, then the value least distant from [0,0], i.e., closest to the coordinate space origin, is used.</p></div><p>The <code>tts:origin</code> style is illustrated by the following example.</p><a id="style-attribute-origin-example-1"></a><table class="example"><caption>Example Fragment – Origin</caption><tbody><tr><td>
   2.105 @@ -7198,7 +7216,7 @@
   2.106  <h2><a id="derivation"></a>J Vocabulary Derivation (Non-Normative)</h2><p>This appendix provides information about the derivation of TTML
   2.107  vocabulary, separately describing derivation of elements and
   2.108  attributes.</p><div class="div2">
   2.109 -<h3><a id="d3e22295"></a>J.1 Element Derivation</h3><p>The first column of <a href="#element-vocab-derivation-table"><b>Table J-1 – Elements</b></a>
   2.110 +<h3><a id="d3e22425"></a>J.1 Element Derivation</h3><p>The first column of <a href="#element-vocab-derivation-table"><b>Table J-1 – Elements</b></a>
   2.111  specifies a TTML element vocabulary item; the second column specifies the
   2.112  syntactic and/or semantic model on which the vocabulary item is based;
   2.113  the third column specifies the reference that defines
   2.114 @@ -7255,7 +7273,7 @@
   2.115  and <code>@version</code> on the <code>svg:svg</code> element.</p></li><li><p>Conceptually derived from existing <code>tt:layout</code> element,
   2.116  which is a generic container for layout specifications, but for use
   2.117  in defining animation specifications that apply to targetted elements.</p></li></ol></div></div><div class="div2">
   2.118 -<h3><a id="d3e22812"></a>J.2 Attribute Derivation</h3><p>The first column of <a href="#attribute-vocab-derivation-table"><b>Table J-2 – Attributes</b></a>
   2.119 +<h3><a id="d3e22942"></a>J.2 Attribute Derivation</h3><p>The first column of <a href="#attribute-vocab-derivation-table"><b>Table J-2 – Attributes</b></a>
   2.120  specifies a TTML attribute vocabulary item; the second column specifies the
   2.121  syntactic and/or semantic model on which the vocabulary item is based;
   2.122  the third column specifies the reference that defines
   2.123 @@ -7347,9 +7365,9 @@
   2.124  <h2><a id="qa"></a>K QA Framework Compliance (Non-Normative)</h2><p>This appendix specifies the compliance of this specification with the
   2.125  requirements and guidelines defined by <a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/">QA
   2.126  Framework Specifications Guidelines</a>&nbsp;<a href="#qaf-sg">[QAF SG]</a>.</p><div class="div2">
   2.127 -<h3><a id="d3e23805"></a>K.1 Requirements</h3><a id="qa-framework-requirements-table"></a><table class="common"><caption>Table K-1 – QA Framework Requirements Checklist</caption><col width="76%" span="1"><col width="6%" align="center" span="1"><col width="6%" align="center" span="1"><col width="6%" align="center" span="1"><col width="6%" align="center" span="1"><tbody><tr><td><span class="strong">Requirement</span></td><td><span class="strong">YES</span></td><td><span class="strong">NO</span></td><td><span class="strong">N/A</span></td><td><span class="strong">Notes</span></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#include-conformance-clause-principle">Requirement 01: Include a conformance
   2.128 +<h3><a id="d3e23935"></a>K.1 Requirements</h3><a id="qa-framework-requirements-table"></a><table class="common"><caption>Table K-1 – QA Framework Requirements Checklist</caption><col width="76%" span="1"><col width="6%" align="center" span="1"><col width="6%" align="center" span="1"><col width="6%" align="center" span="1"><col width="6%" align="center" span="1"><tbody><tr><td><span class="strong">Requirement</span></td><td><span class="strong">YES</span></td><td><span class="strong">NO</span></td><td><span class="strong">N/A</span></td><td><span class="strong">Notes</span></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#include-conformance-clause-principle">Requirement 01: Include a conformance
   2.129  clause</a></td><td><a href="#conformance">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#define-scope-principle">Requirement 02: Define the scope.</a></td><td><a href="#intro">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#implement-principle">Requirement 03: Identify who or what will implement the specification.</a></td><td><a href="#conformance">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#ref-norm-principle">Requirement 04: Make a list of normative references.</a></td><td><a href="#references">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#define-terms-principle">Requirement 05: Define the terms used in the normative parts of the specification.</a></td><td><a href="#definitions">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#conf-label-principle">Requirement 06: Create conformance labels for each part of the conformance model.</a></td><td><a href="#conformance">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#consistent-style-principle">Requirement 07: Use a consistent style for conformance requirements and explain how to distinguish them.</a></td><td><a href="#conventions">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#req-opt-conf-principle">Requirement 08: Indicate which conformance requirements are mandatory, which are recommended, and which are optional.</a></td><td><a href="#conventions">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#subdivide-mandatory-principle">Requirement 09: If the technology is subdivided, then indicate which subdivisions are mandatory for conformance.</a></td><td><a href="#conformance">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#subdiv-constraints-principle">Requirement 10: If the technology is subdivided, then address subdivision constraints.</a></td><td><a href="#conformance">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#likehood-extension-principle">Requirement 11: Address Extensibility.</a></td><td><a href="#doctypes">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#deprecated-feature-principle">Requirement 12: Identify deprecated features.</a></td><td></td><td></td><td>N/A</td><td>1</td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#degree-support-principle">Requirement 13: Define how each class of product handles each deprecated feature.</a></td><td></td><td></td><td>N/A</td><td>1</td></tr></tbody></table><div class="note"><p class="prefix"><b>Note:</b></p><ol class="enumar"><li><p>No feature is deprecated by this version of this specification.</p></li></ol></div></div><div class="div2">
   2.130 -<h3><a id="d3e23969"></a>K.2 Guidelines</h3><a id="qa-framework-guidelines-table"></a><table class="common"><caption>Table K-2 – QA Framework Guidelines Checklist</caption><col width="76%" span="1"><col width="6%" align="center" span="1"><col width="6%" align="center" span="1"><col width="6%" align="center" span="1"><col width="6%" align="center" span="1"><tbody><tr><td><span class="strong">Guideline</span></td><td><span class="strong">YES</span></td><td><span class="strong">NO</span></td><td><span class="strong">N/A</span></td><td><span class="strong">Notes</span></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#conformance-model-gp">Good Practice 01: Define the specification's conformance model in the conformance clause.</a></td><td><a href="#conformance">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#norm-informative-gp">Good Practice 02: Specify in the conformance clause how to distinguish normative from informative content.</a></td><td><a href="#conventions">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#conformance-claim-gp">Good Practice 03: Provide the wording for conformance claims.</a></td><td><a href="#claims">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#ics-gp">Good Practice 04: Provide an Implementation Conformance Statement Pro Forma.</a></td><td></td><td>NO</td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#ics-claim-gp">Good Practice 05: Require an Implementation Conformance Statement as part of valid conformance claims.</a></td><td><a href="#claims">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#use-example-gp">Good Practice 06: Provide examples, use cases, and graphics.</a></td><td><a href="#example">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#write-sample-gp">Good Practice 07: Write sample code or tests.</a></td><td>YES</td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#ref-define-practice">Good Practice 08: When imposing requirements by normative references, address conformance dependencies.</a></td><td><a href="#references">YES</a></td><td></td><td></td><td>1</td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#define-terms-inline-gp">Good Practice 09: Define unfamiliar terms in-line and consolidate the definitions in a glossary section.</a></td><td><a href="#definitions">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#reuse-terms-gp">Good Practice 10: Use terms already defined without changing their definition.</a></td><td><a href="#definitions">YES</a></td><td></td><td></td><td>2</td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#formal-language-gp">Good Practice 11: Use formal languages when possible.</a></td><td><a href="#schemas">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#write-assertion-gp">Good Practice 12: Write Test Assertions.</a></td><td></td><td>NO</td><td></td><td>3</td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#subdivide-foster-gp">Good Practice 13: Create subdivisions of the technology when warranted.</a></td><td><a href="#conformance">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#rules-profiles-gp">Good Practice 14: If the technology is profiled, define rules for creating new profiles.</a></td><td><a href="#vocabulary-profiles">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#need-option-gp">Good Practice 15:Use optional features as warranted.</a></td><td>YES</td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#label-options-gp">Good Practice 16: Clearly identify optional features.</a></td><td>YES</td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#constraints-gp">Good Practice 17: Indicate any limitations or constraints on optional features.</a></td><td>YES</td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#extensions-prohibited-gp">Good Practice 18: If extensibility is allowed, define an extension mechanism.</a></td><td><a href="#extension-vocabulary-overview">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#breaking-conformance-gp">Good Practice 19: Warn extension creators to create extensions that do not interfere with conformance.</a></td><td><a href="#extension-vocabulary-overview">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#define-error-gp">Good Practice 20: Define error-handling for unknown extensions.</a></td><td><a href="#conformance-processor">YES</a></td><td></td><td></td><td>4</td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#workaround-gp">Good Practice 21: Explain how to avoid using a deprecated feature.</a></td><td></td><td></td><td>N/A</td><td>5</td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#obsolete-gp">Good Practice 22: Identify obsolete features.</a></td><td></td><td></td><td>N/A</td><td>5</td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#error-handling-gp">Good Practice 23: Define an error handling mechanism.</a></td><td><a href="#reduced-infoset">YES</a></td><td></td><td></td><td></td></tr></tbody></table><div class="note"><p class="prefix"><b>Note:</b></p><ol class="enumar"><li><p>When making normative references to external specifications,
   2.131 +<h3><a id="d3e24099"></a>K.2 Guidelines</h3><a id="qa-framework-guidelines-table"></a><table class="common"><caption>Table K-2 – QA Framework Guidelines Checklist</caption><col width="76%" span="1"><col width="6%" align="center" span="1"><col width="6%" align="center" span="1"><col width="6%" align="center" span="1"><col width="6%" align="center" span="1"><tbody><tr><td><span class="strong">Guideline</span></td><td><span class="strong">YES</span></td><td><span class="strong">NO</span></td><td><span class="strong">N/A</span></td><td><span class="strong">Notes</span></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#conformance-model-gp">Good Practice 01: Define the specification's conformance model in the conformance clause.</a></td><td><a href="#conformance">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#norm-informative-gp">Good Practice 02: Specify in the conformance clause how to distinguish normative from informative content.</a></td><td><a href="#conventions">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#conformance-claim-gp">Good Practice 03: Provide the wording for conformance claims.</a></td><td><a href="#claims">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#ics-gp">Good Practice 04: Provide an Implementation Conformance Statement Pro Forma.</a></td><td></td><td>NO</td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#ics-claim-gp">Good Practice 05: Require an Implementation Conformance Statement as part of valid conformance claims.</a></td><td><a href="#claims">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#use-example-gp">Good Practice 06: Provide examples, use cases, and graphics.</a></td><td><a href="#example">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#write-sample-gp">Good Practice 07: Write sample code or tests.</a></td><td>YES</td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#ref-define-practice">Good Practice 08: When imposing requirements by normative references, address conformance dependencies.</a></td><td><a href="#references">YES</a></td><td></td><td></td><td>1</td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#define-terms-inline-gp">Good Practice 09: Define unfamiliar terms in-line and consolidate the definitions in a glossary section.</a></td><td><a href="#definitions">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#reuse-terms-gp">Good Practice 10: Use terms already defined without changing their definition.</a></td><td><a href="#definitions">YES</a></td><td></td><td></td><td>2</td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#formal-language-gp">Good Practice 11: Use formal languages when possible.</a></td><td><a href="#schemas">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#write-assertion-gp">Good Practice 12: Write Test Assertions.</a></td><td></td><td>NO</td><td></td><td>3</td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#subdivide-foster-gp">Good Practice 13: Create subdivisions of the technology when warranted.</a></td><td><a href="#conformance">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#rules-profiles-gp">Good Practice 14: If the technology is profiled, define rules for creating new profiles.</a></td><td><a href="#vocabulary-profiles">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#need-option-gp">Good Practice 15:Use optional features as warranted.</a></td><td>YES</td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#label-options-gp">Good Practice 16: Clearly identify optional features.</a></td><td>YES</td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#constraints-gp">Good Practice 17: Indicate any limitations or constraints on optional features.</a></td><td>YES</td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#extensions-prohibited-gp">Good Practice 18: If extensibility is allowed, define an extension mechanism.</a></td><td><a href="#extension-vocabulary-overview">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#breaking-conformance-gp">Good Practice 19: Warn extension creators to create extensions that do not interfere with conformance.</a></td><td><a href="#extension-vocabulary-overview">YES</a></td><td></td><td></td><td></td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#define-error-gp">Good Practice 20: Define error-handling for unknown extensions.</a></td><td><a href="#conformance-processor">YES</a></td><td></td><td></td><td>4</td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#workaround-gp">Good Practice 21: Explain how to avoid using a deprecated feature.</a></td><td></td><td></td><td>N/A</td><td>5</td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#obsolete-gp">Good Practice 22: Identify obsolete features.</a></td><td></td><td></td><td>N/A</td><td>5</td></tr><tr><td><a href="http://www.w3.org/TR/2005/REC-qaframe-spec-20050817/#error-handling-gp">Good Practice 23: Define an error handling mechanism.</a></td><td><a href="#reduced-infoset">YES</a></td><td></td><td></td><td></td></tr></tbody></table><div class="note"><p class="prefix"><b>Note:</b></p><ol class="enumar"><li><p>When making normative references to external specifications,
   2.132  specific clauses or sections are cited.</p></li><li><p>See also <a href="#derivation"><b>J Vocabulary Derivation</b></a>.</p></li><li><p>Test assertions and test suites will be provided prior to entering
   2.133  Proposed Recommendation (PR) phase.</p></li><li><p>See criterion #3 in <a href="#conformance-processor"><b>3.2 Processor Conformance</b></a> and definition of
   2.134  TTML <a href="#doctypes">Abstract Document Instance</a>.</p></li><li><p>No feature is deprecated or obsoleted by this version of this specification.</p></li></ol></div></div></div><div class="div1">
     3.1 --- a/ttml2/spec/ttml2.xml	Wed Mar 26 21:47:23 2014 -0600
     3.2 +++ b/ttml2/spec/ttml2.xml	Thu Mar 27 01:14:23 2014 -0600
     3.3 @@ -670,6 +670,14 @@
     3.4  Section 4.1.</p>
     3.5  </def>
     3.6  </gitem>
     3.7 +<gitem id="terms-implied-inline-region">
     3.8 +<label>[implied inline region]</label>
     3.9 +<def>
    3.10 +<p>An anonymous (unidentified) <loc href="#terms-inline-region">inline region</loc> that is implied in the context of a block level content element
    3.11 +due the presence of a <loc href="#style-attribute-extent"><att>tts:extent</att></loc> or <loc href="#style-attribute-origin"><att>tts:origin</att></loc>
    3.12 +style attribute on the content element.</p>
    3.13 +</def>
    3.14 +</gitem>
    3.15  <gitem id="terms-inline-animation">
    3.16  <label>[inline animation]</label>
    3.17  <def>
    3.18 @@ -3478,6 +3486,10 @@
    3.19  <el>span</el>, and
    3.20  <el>br</el>.</p>
    3.21  </note>
    3.22 +<p>If a <att>tts:extent</att> or <att>tts:origin</att> style attribute is specified on a <el>div</el> element, then that specification must be considered to be
    3.23 +equivalent to specifying an anonymous <loc href="#terms-inline-region">inline region</loc> child of the <el>div</el> element, where the
    3.24 +extent or origin of the corresponding region, also referred to as an <loc href="#terms-implied-inline-region">implied inline region</loc>, is equal to the
    3.25 +value of the respective attribute. If both style attributes are specified, then both apply to the same <loc href="#terms-implied-inline-region">implied inline region</loc>.</p>
    3.26  <p>If no <att>timeContainer</att> attribute is specified on
    3.27  a <el>div</el> element, then it must be interpreted as having
    3.28  <emph>parallel</emph> time containment semantics.</p>
    3.29 @@ -3540,6 +3552,10 @@
    3.30  descendant <loc href="#terms-content-element">content elements</loc> such as <el>span</el> and
    3.31  <el>br</el>.</p>
    3.32  </note>
    3.33 +<p>If a <att>tts:extent</att> or <att>tts:origin</att> style attribute is specified on a <el>p</el> element, then that specification must be considered to be
    3.34 +equivalent to specifying an anonymous <loc href="#terms-inline-region">inline region</loc> child of the <el>p</el> element, where the
    3.35 +extent or origin of the corresponding region, also referred to as an <loc href="#terms-implied-inline-region">implied inline region</loc>, is equal to the
    3.36 +value of the respective attribute. If both style attributes are specified, then both apply to the same <loc href="#terms-implied-inline-region">implied inline region</loc>.</p>
    3.37  <p>If no <att>timeContainer</att> attribute is specified on
    3.38  a <el>p</el> element, then it must be interpreted as having
    3.39  <emph>parallel</emph> time containment semantics.</p>
    3.40 @@ -4615,6 +4631,8 @@
    3.41  <td><emph>Applies to:</emph></td>
    3.42  <td>
    3.43  <loc href="#document-structure-vocabulary-tt"><el>tt</el></loc>,
    3.44 +<loc href="#content-vocabulary-div"><el>div</el></loc>,
    3.45 +<loc href="#content-vocabulary-p"><el>p</el></loc>,
    3.46  <loc href="#layout-vocabulary-region"><el>region</el></loc>
    3.47  </td>
    3.48  </tr>
    3.49 @@ -4645,6 +4663,10 @@
    3.50  If <att>tts:extent</att> is specified on the <el>tt</el> element, then
    3.51  the width and height must be expressed in terms of two <loc href="#style-value-length">&lt;length&gt;</loc> specifications,
    3.52  and these specifications must be expressed as non-percentage, definite lengths using pixel units.</p>
    3.53 +<p>If a <att>tts:extent</att> attribute is specified on a <el>div</el> or <el>p</el> element, then that specification must be considered to be
    3.54 +equivalent to specifying an anonymous <loc href="#terms-inline-region">inline region</loc> child of the <el>div</el> or <el>p</el> element, where the
    3.55 +extent of the corresponding region, also referred to as an <loc href="#terms-implied-inline-region">implied inline region</loc>, is equal to the
    3.56 +value of this attribute.</p>
    3.57  <p>If a computed value of the property associated with this attribute is not supported,
    3.58  then a <loc href="#terms-presentation-processor">presentation processor</loc> must use the closest supported value.</p>
    3.59  <note role="elaboration">
    3.60 @@ -5399,6 +5421,8 @@
    3.61  <tr>
    3.62  <td><emph>Applies to:</emph></td>
    3.63  <td>
    3.64 +<loc href="#content-vocabulary-div"><el>div</el></loc>,
    3.65 +<loc href="#content-vocabulary-p"><el>p</el></loc>,
    3.66  <loc href="#layout-vocabulary-region"><el>region</el></loc>
    3.67  </td>
    3.68  </tr>
    3.69 @@ -5421,6 +5445,10 @@
    3.70  is the <emph>x</emph> coordinate, and the second specification is the <emph>y</emph> coordinate.</p>
    3.71  <p>If the value of this attribute is <code>auto</code>, then the computed value
    3.72  of the style property must be considered to be the same as the origin of the <loc href="#terms-root-container-region">root container region</loc>.</p>
    3.73 +<p>If a <att>tts:origin</att> attribute is specified on a <el>div</el> or <el>p</el> element, then that specification must be considered to be
    3.74 +equivalent to specifying an anonymous <loc href="#terms-inline-region">inline region</loc> child of the <el>div</el> or <el>p</el> element, where the
    3.75 +origin of the corresponding region, also referred to as an <loc href="#terms-implied-inline-region">implied inline region</loc>, is equal to the
    3.76 +value of this attribute.</p>
    3.77  <p>If a computed value of the property associated with this attribute is not supported,
    3.78  then a <loc href="#terms-presentation-processor">presentation processor</loc> must use the closest supported value.</p>
    3.79  <note role="elaboration">
     4.1 Binary file ttml2/spec/xsd/schema.zip has changed