Add issue for ident/string/url minimum lengths.

Author: tabatkins

css3-values/Overview.html

@@ -577,6 +577,10 @@ <h3 id=identifiers><span class=secno>3.2. </span> User-defined Identifiers:
    class=css>EXAMPLE</code>&rsquo; are two different, unrelated user-defined
    identifiers).
 
+  <p class=issue>What should be the minimum required size for identifiers?
+   (This depends on the encoding, which means a character may take up to 6
+   bytes in utf-8.)
+
   <h3 id=strings><span class=secno>3.3. </span> Quoted Strings: the &lsquo;<a
    href="#string-value"><code class=css>&lt;string&gt;</code></a>&rsquo; type</h3>
 
@@ -619,6 +623,10 @@ <h3 id=strings><span class=secno>3.3. </span> Quoted Strings: the &lsquo;<a
    character in Unicode (U+000A), but represents the generic notion of
    "newline" in CSS.)
 
+  <p class=issue>What should be the minimum required size for strings? (This
+   depends on the encoding, which means a character may take up to 6 bytes in
+   utf-8.)
+
   <h3 id=urls><span class=secno>3.4. </span> Resource Locators: the
    &rsquo;&lsquo;<a href="#url-value"><code
    class=css>&lt;url&gt;</code></a>&rsquo;&lsquo;<code class=css> type</code></h3>
@@ -689,6 +697,10 @@ <h3 id=urls><span class=secno>3.4. </span> Resource Locators: the
     document containing the <code>&lt;body></code>.
   </div>
 
+  <p class=issue>What should be the minimum required size for urls? (This
+   depends on the encoding, which means a character may take up to 6 bytes in
+   utf-8.)
+
   <h2 id=numeric-types><span class=secno>4. </span> Numeric Data Types</h2>
 
   <h3 id=integers><span class=secno>4.1. </span> Integers: the &lsquo;<a

css3-values/Overview.src.html

@@ -312,6 +312,8 @@ <h3 id="identifiers">
   (e.g. ''example'' and ''EXAMPLE'' are two different, unrelated
   user-defined identifiers).
 
+  <p class='issue'>What should be the minimum required size for identifiers?  (This depends on the encoding, which means a character may take up to 6 bytes in utf-8.)</p>
+
 <h3 id="strings">
 Quoted Strings: the ''&lt;string&gt;'' type</h3>
 
@@ -350,6 +352,8 @@ <h3 id="strings">
 	feed character in Unicode (U+000A), but represents the generic notion
 	of "newline" in CSS.)</p>
 
+  <p class='issue'>What should be the minimum required size for strings?  (This depends on the encoding, which means a character may take up to 6 bytes in utf-8.)</p>
+
 <h3 id="urls">
 Resource Locators: the ''&lt;url&gt;'' type</h3>
 
@@ -403,6 +407,8 @@ <h3 id="urls">
 		document containing the <code>&lt;body></code>.
 	</div>
 
+  <p class='issue'>What should be the minimum required size for urls?  (This depends on the encoding, which means a character may take up to 6 bytes in utf-8.)</p>
+
 <h2 id="numeric-types">
 Numeric Data Types</h2>