[css-counter-styles] Move the 'too large description' warning to a generic spot.

Author: tabatkins

css-counter-styles/Overview.bs

@@ -109,10 +109,19 @@ Counter Styles</h2>
 	Note: the prefix and suffix don't play a part in this algorithm.
 	This is intentional;
 	the prefix and suffix aren't part of the string returned by the counter() or counters() functions.
-	Instead, the prefix and suffix are added by the algorithm that constructs the value of the <a property spec=css-ui-3>content</a> property for the ''::marker'' pseudo-element.
+	Instead, the prefix and suffix are added by the algorithm that constructs the value of the <a property spec=css-ui-3>content</a> property
+	for the ''::marker'' pseudo-element.
 	This also implies that the prefix and suffix always come from the specified counter-style,
 	even if the actual representation is constructed by a fallback style.
 
+	Some values of 'system' (''symbolic'', ''additive'')
+	and some descriptors ('pad')
+	can generate representations with size linear to the counter value.
+	This potentially be abused to generate excessively large representations
+	and consume undue amounts of the user's memory or even hang their browser.
+	User agents must support representations at least 60 Unicode codepoints long,
+	but they may choose to instead use the fallback style for representations that would be longer than 60 codepoints.
+
 
 <h2 id='the-counter-style-rule'>
 Defining Custom Counter Styles: the ''@counter-style'' rule</h2>
@@ -354,12 +363,6 @@ Repeating Symbols: the ''symbolic'' system</h4>
 
 	Finally, return <var>S</var>.
 
-	The ''symbolic'' system will produce representations with sizes that are linear in the magnitude of the counter value.
-	This can potentially be abused to generate excessively large representations
-	and consume undue amounts of the user's memory or even hang their browser.
-	User agents must support representations at least 60 Unicode codepoints long,
-	but they may choose to instead use the fallback style for representations that would be longer than 60 codepoints.
-
 
 <h4 id="alphabetic-system">
 Bijective Numerals: the <a value for=system>alphabetic</a> system</h4>
@@ -559,11 +562,6 @@ Accumulating Numerals: the ''additive'' system</h4>
 		<li>If the loop ended because <var>value</var> is 0, return S.  Otherwise, the given counter value cannot be represented by this counter style, and must instead be represented by the fallback counter style.
 	</ol>
 
-	The ''additive'' system will produce representations with sizes that are linear in the magnitude of the counter value.
-	This can potentially be abused to generate excessively large representations and consume undue amounts of the user's memory or even hang their browser.
-	User agents must support representations at least 60 Unicode codepoints long,
-	but they may choose to instead use the fallback style for representations that would be longer than 60 codepoints.
-
 	Note: All of the predefined additive ''@counter-style'' rules in this specification
 	produce representations for every value in their range,
 	but it's possible to produce values for ''additive-symbols'' that will fail to find a representation

css-counter-styles/Overview.html

@@ -263,10 +263,19 @@ <h2 class="heading settled heading" data-level=2 id=counter-styles><span class=s
 <p class=note>	Note: the prefix and suffix don’t play a part in this algorithm.
 	This is intentional;
 	the prefix and suffix aren’t part of the string returned by the counter() or counters() functions.
-	Instead, the prefix and suffix are added by the algorithm that constructs the value of the <a class=css-code data-link-spec=css-ui-3 data-link-type=property href=http://dev.w3.org/csswg/css-ui-3/#content title=content>content</a> property for the <a class=css data-link-type=maybe href=http://dev.w3.org/csswg/css-lists-3/#selectordef-marker title=::marker>::marker</a> pseudo-element.
+	Instead, the prefix and suffix are added by the algorithm that constructs the value of the <a class=css-code data-link-spec=css-ui-3 data-link-type=property href=http://dev.w3.org/csswg/css-ui-3/#content title=content>content</a> property
+	for the <a class=css data-link-type=maybe href=http://dev.w3.org/csswg/css-lists-3/#selectordef-marker title=::marker>::marker</a> pseudo-element.
 	This also implies that the prefix and suffix always come from the specified counter-style,
 	even if the actual representation is constructed by a fallback style.
 
+<p>	Some values of <a class=property data-link-type=propdesc href=#descdef-system title=system>system</a> (<a class=css data-link-type=maybe href=#valuedef-symbolic title=symbolic>symbolic</a>, <a class=css data-link-type=maybe href=#valuedef-additive title=additive>additive</a>)
+	and some descriptors (<a class=property data-link-type=propdesc href=#descdef-pad title=pad>pad</a>)
+	can generate representations with size linear to the counter value.
+	This potentially be abused to generate excessively large representations
+	and consume undue amounts of the user’s memory or even hang their browser.
+	User agents must support representations at least 60 Unicode codepoints long,
+	but they may choose to instead use the fallback style for representations that would be longer than 60 codepoints.
+
 
 <h2 class="heading settled heading" data-level=3 id=the-counter-style-rule><span class=secno>3 </span><span class=content>
 Defining Custom Counter Styles: the <a class=css data-link-type=maybe href=#at-ruledef-counter-style title=@counter-style>@counter-style</a> rule</span><a class=self-link href=#the-counter-style-rule></a></h2>
@@ -487,12 +496,6 @@ <h4 class="heading settled heading" data-level=3.1.3 id=symbolic-system><span cl
 
 <p>	Finally, return <var>S</var>.
 
-<p>	The <a class=css data-link-type=maybe href=#valuedef-symbolic title=symbolic>symbolic</a> system will produce representations with sizes that are linear in the magnitude of the counter value.
-	This can potentially be abused to generate excessively large representations
-	and consume undue amounts of the user’s memory or even hang their browser.
-	User agents must support representations at least 60 Unicode codepoints long,
-	but they may choose to instead use the fallback style for representations that would be longer than 60 codepoints.
-
 
 <h4 class="heading settled heading" data-level=3.1.4 id=alphabetic-system><span class=secno>3.1.4 </span><span class=content>
 Bijective Numerals: the <a class=css-code data-link-for=system data-link-type=value href=#valuedef-alphabetic0 title=alphabetic>alphabetic</a> system</span><a class=self-link href=#alphabetic-system></a></h4>
@@ -682,11 +685,6 @@ <h4 class="heading settled heading" data-level=3.1.6 id=additive-system><span cl
 		<li>If the loop ended because <var>value</var> is 0, return S.  Otherwise, the given counter value cannot be represented by this counter style, and must instead be represented by the fallback counter style.
 	</ol>
 
-<p>	The <a class=css data-link-type=maybe href=#valuedef-additive title=additive>additive</a> system will produce representations with sizes that are linear in the magnitude of the counter value.
-	This can potentially be abused to generate excessively large representations and consume undue amounts of the user’s memory or even hang their browser.
-	User agents must support representations at least 60 Unicode codepoints long,
-	but they may choose to instead use the fallback style for representations that would be longer than 60 codepoints.
-
 <p class=note>	Note: All of the predefined additive <a class=css data-link-type=maybe href=#at-ruledef-counter-style title=@counter-style>@counter-style</a> rules in this specification
 	produce representations for every value in their range,
 	but it’s possible to produce values for <span class=css data-link-type=maybe title=additive-symbols>additive-symbols</span> that will fail to find a representation