[css-values-5][editorial] Move 'Random Simplification' chapter to the correct place.

Author: tabatkins

css-values-5/Overview.bs

@@ -2392,79 +2392,6 @@ Generating a Random Numeric Value: the ''random()'' function</h3>
 	</div>
 
 
-<h4 id=random-simplify>
-Simplification</h4>
-
-	At parse time,
-	certain transformations are performed on the <<random-cache-key>> of a [=random function=]:
-
-	* If the <<random-cache-key>> is ''auto'' (or omitted),
-		it's turned into ''element-scoped property-index-scoped''.
-		(And then subject to the below transformations.)
-	* If the <<random-cache-key>> contains ''property-scoped'' or ''property-index-scoped'',
-		that keyword is replaced by a <<random-ua-ident>>:
-		either <css>ua-PROPERTY</css> with PROPERTY being the property the value was parsed as,
-		or <css>ua-PROPERTY-INDEX</css> with PROPERTY as the previous
-		and INDEX being the 1-indexed integer index of this [=random function=]
-		among all [=random functions=] being used in the property.
-
-		The INDEX value is based on the ordering in the parsed value,
-		before any canonicalization/reordering might occur
-		that could shuffle the values around.
-
-	If the <<random-cache-key>> contains a <<random-ua-ident>>,
-	this must not be omitted in the serialization of the value,
-	even if this would normally be valid per the
-	[=serialize a CSS value|"shortest serialization principle"=].
-
-	<div class=example>
-		For example,
-		specifying ''margin: random(10px, 20px) random(10px, 20px)''
-		will cause the top and bottom margins to be one random value,
-		and the left and right margins to be another random value.
-		The omitted <<random-cache-key>>s get rewritten at parse-time
-		to ''element-scoped ua-margin-1'' and ''element-scoped ua-margin-2'',
-		respectively,
-		before they expand into the 'margin' longhands.
-
-		This way, the 'margin-top' and 'margin-bottom' longhands
-		will both contain the key ''element-scoped ua-margin-1'',
-		ensuring that the two values remain linked
-		even if you read and then set the value back.
-	</div>
-
-	The [=random base value=] of a [=random function=] is known at [=specified value=] time,
-	at the latest,
-	once it's known which element the function is being applied to.
-	As a [=math function=], a ''random()'' function can be [=simplify a calculation tree|simplified=]
-	as soon as its argument [=calculations=]
-	can be simplified to compatible numeric values.
-	If a ''random()'' function can't be fully [=simplify a calculation tree|simplified=]
-	by [=computed value=] time,
-	then its arguments are maximally simplified,
-	and its <<random-cache-key>>
-	is replaced with ''fixed BASE'',
-	where <css>BASE</css> is the function's [=random base value=].
-
-	Note: As an [=arbitrary substitution function=],
-	''random-item()'' is always replaced at [=computed value=] time.
-
-	<div class=example>
-		For example, given the declaration ''width: random(100px, 100%)'',
-		the calculations can't be simplified at [=computed value=] time
-		because the percentage depend on [=used value=] information
-		(the size of the element's [=containing block=],
-		to resolve the ''100%'' against).
-
-		So, the [=computed value=] of the property
-		becomes something like ''width: random(fixed .1234, 100px, 100%)''.
-		Once the ''100%'' is resolved to a length
-		(say, ''500px''),
-		the function will be able to fully simplify
-		(to ''149.36px'').
-	</div>
-
-
 <h4 id=random-infinities>
 Argument Ranges</h4>
 
@@ -3042,6 +2969,79 @@ Sharing (Or Not) Random Values: the <<random-cache-key>> value</h3>
 	</div>
 
 
+<h4 id=random-simplify>
+Simplification</h4>
+
+	At parse time,
+	certain transformations are performed on the <<random-cache-key>> of a [=random function=]:
+
+	* If the <<random-cache-key>> is ''auto'' (or omitted),
+		it's turned into ''element-scoped property-index-scoped''.
+		(And then subject to the below transformations.)
+	* If the <<random-cache-key>> contains ''property-scoped'' or ''property-index-scoped'',
+		that keyword is replaced by a <<random-ua-ident>>:
+		either <css>ua-PROPERTY</css> with PROPERTY being the property the value was parsed as,
+		or <css>ua-PROPERTY-INDEX</css> with PROPERTY as the previous
+		and INDEX being the 1-indexed integer index of this [=random function=]
+		among all [=random functions=] being used in the property.
+
+		The INDEX value is based on the ordering in the parsed value,
+		before any canonicalization/reordering might occur
+		that could shuffle the values around.
+
+	If the <<random-cache-key>> contains a <<random-ua-ident>>,
+	this must not be omitted in the serialization of the value,
+	even if this would normally be valid per the
+	[=serialize a CSS value|"shortest serialization principle"=].
+
+	<div class=example>
+		For example,
+		specifying ''margin: random(10px, 20px) random(10px, 20px)''
+		will cause the top and bottom margins to be one random value,
+		and the left and right margins to be another random value.
+		The omitted <<random-cache-key>>s get rewritten at parse-time
+		to ''element-scoped ua-margin-1'' and ''element-scoped ua-margin-2'',
+		respectively,
+		before they expand into the 'margin' longhands.
+
+		This way, the 'margin-top' and 'margin-bottom' longhands
+		will both contain the key ''element-scoped ua-margin-1'',
+		ensuring that the two values remain linked
+		even if you read and then set the value back.
+	</div>
+
+	The [=random base value=] of a [=random function=] is known at [=specified value=] time,
+	at the latest,
+	once it's known which element the function is being applied to.
+	As a [=math function=], a ''random()'' function can be [=simplify a calculation tree|simplified=]
+	as soon as its argument [=calculations=]
+	can be simplified to compatible numeric values.
+	If a ''random()'' function can't be fully [=simplify a calculation tree|simplified=]
+	by [=computed value=] time,
+	then its arguments are maximally simplified,
+	and its <<random-cache-key>>
+	is replaced with ''fixed BASE'',
+	where <css>BASE</css> is the function's [=random base value=].
+
+	Note: As an [=arbitrary substitution function=],
+	''random-item()'' is always replaced at [=computed value=] time.
+
+	<div class=example>
+		For example, given the declaration ''width: random(100px, 100%)'',
+		the calculations can't be simplified at [=computed value=] time
+		because the percentage depend on [=used value=] information
+		(the size of the element's [=containing block=],
+		to resolve the ''100%'' against).
+
+		So, the [=computed value=] of the property
+		becomes something like ''width: random(fixed .1234, 100px, 100%)''.
+		Once the ''100%'' is resolved to a length
+		(say, ''500px''),
+		the function will be able to fully simplify
+		(to ''149.36px'').
+	</div>
+
+
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