[cssom] Make setProperty without priority argument not unset important. Also affects the camel-cased attributes. <http://www.w3.org/mid/DUB119-W4278E92C9DD13C3E85C782E6590@phx.gbl>

Author: Simon Pieters

cssom/Overview.html

@@ -16,7 +16,7 @@
  <h1>CSS Object Model (CSSOM)</h1>
 
 
- <h2 class="no-num no-toc" id="w3c-doctype">Editor's Draft 14 August 2013</h2>
+ <h2 class="no-num no-toc" id="w3c-doctype">Editor's Draft 18 August 2013</h2>
 
  <dl>
 
@@ -90,7 +90,7 @@ <h2 class="no-num no-toc" id="sotd">Status of This Document</h2>
 can be found in the
 <a href="http://www.w3.org/TR/">W3C technical reports index at http://www.w3.org/TR/.</a></em>
 
-<p class="dontpublish">This is the 14 August 2013 Editor's Draft of CSSOM. Please send comments to
+<p class="dontpublish">This is the 18 August 2013 Editor's Draft of CSSOM. Please send comments to
 <a href="mailto:www-style@w3.org?subject=%5Bcssom%5D%20">www-style@w3.org</a>
 (<a href="http://lists.w3.org/Archives/Public/www-style/">archived</a>)
 with <samp>[cssom]</samp> at the start of the subject line.
@@ -2219,7 +2219,7 @@ <h4 id="the-cssstyledeclaration-interface"><span class="secno">6.5.1 </span>The
   DOMString <a href="#dom-cssstyledeclaration-getpropertyvalue" title="dom-CSSStyleDeclaration-getPropertyValue">getPropertyValue</a>(DOMString property);
   DOMString <a href="#dom-cssstyledeclaration-getpropertypriority" title="dom-CSSStyleDeclaration-getPropertyPriority">getPropertyPriority</a>(DOMString property);
   void <a href="#dom-cssstyledeclaration-setproperty" title="dom-CSSStyleDeclaration-setProperty">setProperty</a>(DOMString property, [TreatNullAs=EmptyString] DOMString value, <!--
-  -->[TreatNullAs=EmptyString] optional DOMString priority = "");
+  -->[TreatNullAs=EmptyString] optional DOMString priority);
   DOMString <a href="#dom-cssstyledeclaration-removeproperty" title="dom-CSSStyleDeclaration-removeProperty">removeProperty</a>(DOMString property);
   readonly attribute <a href="#cssrule">CSSRule</a>? <a href="#dom-cssstyledeclaration-length" title="dom-CSSStyleDeclaration-length">parentRule</a>;
            attribute DOMString <a href="#dom-cssstyledeclaration-cssfloat" title="dom-CSSStyleDeclaration-cssFloat">cssFloat</a>;<!-- setProperty's value arg has [TreatNullAs=EmptyString] -->
@@ -2303,32 +2303,34 @@ <h4 id="the-cssstyledeclaration-interface"><span class="secno">6.5.1 </span>The
  algorithm.</li>
  <li><p>If <var>value</var> is the empty string, invoke <code title="dom-CSSStyleDeclaration-removeProperty"><a href="#dom-cssstyledeclaration-removeproperty">removeProperty()</a></code>
  with <var>property</var> as argument and terminate this algorithm.</li>
- <li><p>If <var>priority</var> is neither an <a class="external" data-anolis-spec="dom" href="http://dom.spec.whatwg.org/#ascii-case-insensitive">ASCII case-insensitive</a> match for the string "<code title="">important</code>"
- nor the empty string terminate this algorithm.</li>
+ <li><p>If <var>priority</var> is not specified, let <var>priority action</var> be "leave as is". Otherwise, if <var>priority</var> is the empty string, let
+ <var>priority action</var> be "unset important". Otherwise, if <var>priority</var> is an <a class="external" data-anolis-spec="dom" href="http://dom.spec.whatwg.org/#ascii-case-insensitive">ASCII case-insensitive</a> match for the
+ string "<code title="">important</code>", set <var>priority action</var> to "set important". Otherwise, terminate this algorithm.
  <li>
   <p>Let <var>component value list</var> be the result of <a href="#parse-a-css-value" title="parse a CSS value">parsing</a> <var>value</var>.
   <p class="note"><var>value</var> can not include "<code title="">!important</code>".</p>
  </li>
  <li><p>If <var>component value list</var> is null terminate these steps.
  <li><p>If <var>property</var> is a shorthand property, then for each longhand property <var>longhand</var> that <var>property</var> maps to, in canonical
  order, <a href="#set-a-css-property" title="set a CSS property">set the CSS property</a> <var>longhand</var> to the appropriate value(s) from <var>component value list</var>, with
- the <var>important</var> flag set if <var>priority</var> is not the empty string, and with the list of declarations being the
+ <i>priority action</i> being <var>priority action</var>, and with the list of declarations being the
  <a href="#concept-css-declaration-block-declarations" title="concept-css-declaration-block-declarations">declarations</a>.
  <li><p>Otherwise, <a href="#set-a-css-property" title="set a CSS property">set the CSS property</a> <var>property</var> to <var>component value list</var>, with
- the <var>important</var> flag set if <var>priority</var> is not the empty string, and with the list of declarations being the
+ <i>priority action</i> being <var>priority action</var>, and with the list of declarations being the
  <a href="#concept-css-declaration-block-declarations" title="concept-css-declaration-block-declarations">declarations</a>.
 </ol>
 
-<p>To <dfn id="set-a-css-property">set a CSS property</dfn> <var>property</var> to a value <var>component value list</var> and optionally with an <var>important</var> flag set, in a
-list of declarations <var>declarations</var>, follow these steps:
+<p>To <dfn id="set-a-css-property">set a CSS property</dfn> <var>property</var> to a value <var>component value list</var> and with <i>priority action</i> being either "set
+important", "unset important" or "leave as is", in a list of declarations <var>declarations</var>, follow these steps:
 
 <ol>
  <li><p>If <var>property</var> is a <a class="external" data-anolis-spec="dom" href="http://dom.spec.whatwg.org/#case-sensitive">case-sensitive</a> match for a property of a declaration in
  <var>declarations</var>, let <var>declaration</var> be that declaration.
  <li><p>Otherwise, append a new declaration with the property name <var>property</var> to <var>declarations</var> and let <var>declaration</var> be that
  declaration.
  <li><p>Set <var>declaration</var>'s value to <var>component value list</var>.
- <li><p>Set the declaration's <i>important</i> flag if <var>important</var> is set, or unset it otherwise.
+ <li><p>If <i>priority action</i> is "set important", set the declaration's <i>important</i> flag.
+ <li><p>Otherwise, if <i>priority action</i> is "unset important", unset the declaration's <i>important</i> flag.
 </ol>
 
 <p>The <dfn id="dom-cssstyledeclaration-removeproperty" title="dom-CSSStyleDeclaration-removeProperty"><code>removeProperty(<var>property</var>)</code></dfn> method must run these steps:</p>
@@ -3070,6 +3072,7 @@ <h2 class="no-num" id="acknowledgments">Acknowledgments</h2>
 Mike Sherov,
 Morten Stenshorne,
 Øyvind Stenhaug,
+Peter Sloetjes,
 Philip Taylor,
 Robert O'Callahan,
 Simon Sapin,

cssom/Overview.src.html

@@ -2141,7 +2141,7 @@ <h4>The <code title>CSSStyleDeclaration</code> Interface</h4>
   DOMString <span title=dom-CSSStyleDeclaration-getPropertyValue>getPropertyValue</span>(DOMString property);
   DOMString <span title=dom-CSSStyleDeclaration-getPropertyPriority>getPropertyPriority</span>(DOMString property);
   void <span title=dom-CSSStyleDeclaration-setProperty>setProperty</span>(DOMString property, [TreatNullAs=EmptyString] DOMString value, <!--
-  -->[TreatNullAs=EmptyString] optional DOMString priority = "");
+  -->[TreatNullAs=EmptyString] optional DOMString priority);
   DOMString <span title=dom-CSSStyleDeclaration-removeProperty>removeProperty</span>(DOMString property);
   readonly attribute <span>CSSRule</span>? <span title=dom-CSSStyleDeclaration-length>parentRule</span>;
            attribute DOMString <span title=dom-CSSStyleDeclaration-cssFloat>cssFloat</span>;<!-- setProperty's value arg has [TreatNullAs=EmptyString] -->
@@ -2225,32 +2225,34 @@ <h4>The <code title>CSSStyleDeclaration</code> Interface</h4>
  algorithm.</p></li>
  <li><p>If <var>value</var> is the empty string, invoke <code title='dom-CSSStyleDeclaration-removeProperty'>removeProperty()</code>
  with <var>property</var> as argument and terminate this algorithm.</p></li>
- <li><p>If <var>priority</var> is neither an <span data-anolis-spec=dom>ASCII case-insensitive</span> match for the string "<code title>important</code>"
- nor the empty string terminate this algorithm.</p></li>
+ <li><p>If <var>priority</var> is not specified, let <var>priority action</var> be "leave as is". Otherwise, if <var>priority</var> is the empty string, let
+ <var>priority action</var> be "unset important". Otherwise, if <var>priority</var> is an <span data-anolis-spec=dom>ASCII case-insensitive</span> match for the
+ string "<code title>important</code>", set <var>priority action</var> to "set important". Otherwise, terminate this algorithm.
  <li>
   <p>Let <var>component value list</var> be the result of <span title='parse a CSS value'>parsing</span> <var>value</var>.
   <p class='note'><var>value</var> can not include "<code title>!important</code>".</p>
  </li>
  <li><p>If <var>component value list</var> is null terminate these steps.
  <li><p>If <var>property</var> is a shorthand property, then for each longhand property <var>longhand</var> that <var>property</var> maps to, in canonical
  order, <span title="set a CSS property">set the CSS property</span> <var>longhand</var> to the appropriate value(s) from <var>component value list</var>, with
- the <var>important</var> flag set if <var>priority</var> is not the empty string, and with the list of declarations being the
+ <i>priority action</i> being <var>priority action</var>, and with the list of declarations being the
  <span title=concept-css-declaration-block-declarations>declarations</span>.
  <li><p>Otherwise, <span title="set a CSS property">set the CSS property</span> <var>property</var> to <var>component value list</var>, with
- the <var>important</var> flag set if <var>priority</var> is not the empty string, and with the list of declarations being the
+ <i>priority action</i> being <var>priority action</var>, and with the list of declarations being the
  <span title=concept-css-declaration-block-declarations>declarations</span>.
 </ol>
 
-<p>To <dfn>set a CSS property</dfn> <var>property</var> to a value <var>component value list</var> and optionally with an <var>important</var> flag set, in a
-list of declarations <var>declarations</var>, follow these steps:
+<p>To <dfn>set a CSS property</dfn> <var>property</var> to a value <var>component value list</var> and with <i>priority action</i> being either "set
+important", "unset important" or "leave as is", in a list of declarations <var>declarations</var>, follow these steps:
 
 <ol>
  <li><p>If <var>property</var> is a <span data-anolis-spec=dom>case-sensitive</span> match for a property of a declaration in
  <var>declarations</var>, let <var>declaration</var> be that declaration.
  <li><p>Otherwise, append a new declaration with the property name <var>property</var> to <var>declarations</var> and let <var>declaration</var> be that
  declaration.
  <li><p>Set <var>declaration</var>'s value to <var>component value list</var>.
- <li><p>Set the declaration's <i>important</i> flag if <var>important</var> is set, or unset it otherwise.
+ <li><p>If <i>priority action</i> is "set important", set the declaration's <i>important</i> flag.
+ <li><p>Otherwise, if <i>priority action</i> is "unset important", unset the declaration's <i>important</i> flag.
 </ol>
 
 <p>The <dfn title=dom-CSSStyleDeclaration-removeProperty><code>removeProperty(<var>property</var>)</code></dfn> method must run these steps:</p>
@@ -2944,6 +2946,7 @@ <h2 class="no-num">Acknowledgments</h2>
 Mike Sherov,
 Morten Stenshorne,
 Øyvind Stenhaug,
+Peter Sloetjes,
 Philip Taylor,
 Robert O'Callahan,
 Simon Sapin,