Allow nesting calc() per WG resolution <http://lists.w3.org/Archives/Public/www-style/2012Jun/0656.html>

Author: fantasai

css3-values/Overview.html

@@ -1352,16 +1352,19 @@ <h3 id=calc-notation><span class=secno>8.1. </span> Mathematical
    href="#integer-value"><var>&lt;integer></var></a> values are allowed.
    Components of a ‘<a href="#calc"><code class=css>calc()</code></a>’
    expression can be literal values, ‘<a href="#attr"><code
-   class=css>attr()</code></a>’ expressions, or <a
+   class=css>attr()</code></a>’ or ‘<a href="#calc"><code
+   class=css>calc()</code></a>’ expressions, or <a
    href="#percentage-value"><var>&lt;percentage></var></a> values that
    resolve to one of the preceding types.
 
-  <p> The computed value of a calc() expression is the expression with all
+  <p> The computed value of a ‘<a href="#calc"><code
+   class=css>calc()</code></a>’ expression is the expression with all
    components computed, with all multiplication/division subexpressions
    resolved, and with all addition/subtraction subexpressions resolved where
    both sides are the same type. <span class=note> Thus, the computed value
-   of a calc() expression can be represented as either a number or a tuple of
-   a dimension and a percentage. </span>
+   of a ‘<a href="#calc"><code class=css>calc()</code></a>’ expression
+   can be represented as either a number or a tuple of a dimension and a
+   percentage. </span>
    <!-- http://lists.w3.org/Archives/Public/www-style/2010May/0001.html
 	This has notes on how we should handle things when calc() is extended to 
 	handle unit mult/div. Related to this is <unit>mod<unit>, which can return
@@ -1443,7 +1446,7 @@ <h4 id=calc-syntax><span class=secno>8.1.1. </span> Syntax</h4>
 sum     : product [ S+ [ "+" | "-" ] S+ product ]*;
 product : unit [ S* [ "*" S* unit | "/" S* NUMBER ] ]*;
 attr    : "attr(" S* wqname [ S+ type-keyword ]? S* [ "," [ unit | calc ] S* ]? ")";
-unit    : [ NUMBER | DIMENSION | PERCENTAGE | "(" S* sum S* ")" | attr ];</pre>
+unit    : [ NUMBER | DIMENSION | PERCENTAGE | "(" S* sum S* ")" | calc | attr ];</pre>
 
   <p class=note>Note that the grammar requires spaces around binary ‘<code
    class=css>+</code>’ and ‘<code class=css>-</code>’ operators. The

css3-values/Overview.src.html

@@ -899,16 +899,16 @@ <h3 id="calc-notation">
 	<var>&lt;integer></var>
 	values are allowed.
 	Components of a ''calc()'' expression can be literal values,
-	''attr()'' expressions, or <var>&lt;percentage></var> values
+	''attr()'' or ''calc()'' expressions, or <var>&lt;percentage></var> values
 	that resolve to one of the preceding types.
 
 	<p>
-		The computed value of a calc() expression is the expression
+		The computed value of a ''calc()'' expression is the expression
 		with all components computed,
 		with all multiplication/division subexpressions resolved,
 		and with all addition/subtraction subexpressions resolved where both sides are the same type.
 		<span class='note'>
-			Thus, the computed value of a calc() expression can be represented
+			Thus, the computed value of a ''calc()'' expression can be represented
 			as either a number
 			or a tuple of a dimension and a percentage.
 		</span>
@@ -992,7 +992,7 @@ <h4 id='calc-syntax'>
 sum     : product [ S+ [ "+" | "-" ] S+ product ]*;
 product : unit [ S* [ "*" S* unit | "/" S* NUMBER ] ]*;
 attr    : "attr(" S* wqname [ S+ type-keyword ]? S* [ "," [ unit | calc ] S* ]? ")";
-unit    : [ NUMBER | DIMENSION | PERCENTAGE | "(" S* sum S* ")" | attr ];</pre>
+unit    : [ NUMBER | DIMENSION | PERCENTAGE | "(" S* sum S* ")" | calc | attr ];</pre>
 
 	<p class='note'>Note that the grammar requires spaces around binary ''+'' 
 	and ''-'' operators.  The ''*'' and ''/'' operators do not require 

css3-values/issues-lc-2012.txt

@@ -190,7 +190,7 @@ Issue 28.
 Summary:  Define normalization handling of <author-ident>
 From:     fantasai
 Comment:  http://lists.w3.org/Archives/Public/www-style/2012May/0026.html
-Response: 
+Response: http://lists.w3.org/Archives/Public/www-style/2012Jun/0680.html
 Open
 ----
 Issue 29.
@@ -217,5 +217,4 @@ Summary:  Add vmax
 From:     Benjamin Lord
 Comment:  http://lists.w3.org/Archives/Public/www-style/2012May/1198.html
 Closed:   Accepted
-OPEN NEEDS EDITS
 ----