[giow] (0) Try to tighten up the definition of how to serialise rgba(…

…) in canvas. Fixing http://www.w3.org/Bugs/Public/show_bug.cgi?id=12824 git-svn-id: http://svn.whatwg.org/webapps@6411 340c8d12-0b0e-0410-8428-c7bf67bfef74
whatwg · Aug 10, 2011 · 58ef4be · 58ef4be
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diff --git a/complete.html b/complete.html
@@ -35341,10 +35341,13 @@ <h6 id=colors-and-styles><span class=secno>4.8.11.1.4 </span>Colors and styles</
   U+0030 DIGIT ZERO, if the alpha value is greater than zero then a
   U+002E FULL STOP (representing the decimal point), if the alpha
   value is greater than zero then one or more digits in the range 0-9
-  (U+0030 to U+0039) representing the fractional part of the alpha
-  value, and finally a U+0029 RIGHT PARENTHESIS.</p> <!-- if people
-  complain this is unreadable, expand it into a <dl> with two nested
-  <ol>s -->
+  (U+0030 to U+0039) representing the fractional part of the alpha<!--
+  value with no trailing zeros (implied by next sentence)-->, and
+  finally a U+0029 RIGHT PARENTHESIS. User agents must express the
+  fractional part of the alpha value, if any, with the level of
+  precision necessary for the alpha value, when reparsed, to be
+  interpreted as the same alpha value.</p> <!-- if people complain
+  this is unreadable, expand it into a <dl> with two nested <ol>s -->
 
   <p>When the context is created, the <code title=dom-context-2d-strokeStyle><a href=#dom-context-2d-strokestyle>strokeStyle</a></code> and <code title=dom-context-2d-fillStyle><a href=#dom-context-2d-fillstyle>fillStyle</a></code> attributes must
   initially have the string value <code title="">#000000</code>.</p>

diff --git a/index b/index
@@ -35208,10 +35208,13 @@ idea from Mihai:
   U+0030 DIGIT ZERO, if the alpha value is greater than zero then a
   U+002E FULL STOP (representing the decimal point), if the alpha
   value is greater than zero then one or more digits in the range 0-9
-  (U+0030 to U+0039) representing the fractional part of the alpha
-  value, and finally a U+0029 RIGHT PARENTHESIS.</p> <!-- if people
-  complain this is unreadable, expand it into a <dl> with two nested
-  <ol>s -->
+  (U+0030 to U+0039) representing the fractional part of the alpha<!--
+  value with no trailing zeros (implied by next sentence)-->, and
+  finally a U+0029 RIGHT PARENTHESIS. User agents must express the
+  fractional part of the alpha value, if any, with the level of
+  precision necessary for the alpha value, when reparsed, to be
+  interpreted as the same alpha value.</p> <!-- if people complain
+  this is unreadable, expand it into a <dl> with two nested <ol>s -->
 
   <p>When the context is created, the <code title=dom-context-2d-strokeStyle><a href=#dom-context-2d-strokestyle>strokeStyle</a></code> and <code title=dom-context-2d-fillStyle><a href=#dom-context-2d-fillstyle>fillStyle</a></code> attributes must
   initially have the string value <code title="">#000000</code>.</p>

diff --git a/source b/source
@@ -38901,10 +38901,13 @@ idea from Mihai:
   U+0030 DIGIT ZERO, if the alpha value is greater than zero then a
   U+002E FULL STOP (representing the decimal point), if the alpha
   value is greater than zero then one or more digits in the range 0-9
-  (U+0030 to U+0039) representing the fractional part of the alpha
-  value, and finally a U+0029 RIGHT PARENTHESIS.</p> <!-- if people
-  complain this is unreadable, expand it into a <dl> with two nested
-  <ol>s -->
+  (U+0030 to U+0039) representing the fractional part of the alpha<!--
+  value with no trailing zeros (implied by next sentence)-->, and
+  finally a U+0029 RIGHT PARENTHESIS. User agents must express the
+  fractional part of the alpha value, if any, with the level of
+  precision necessary for the alpha value, when reparsed, to be
+  interpreted as the same alpha value.</p> <!-- if people complain
+  this is unreadable, expand it into a <dl> with two nested <ol>s -->
 
   <p>When the context is created, the <code
   title="dom-context-2d-strokeStyle">strokeStyle</code> and <code