[css-fonts] revise unicode-range description, add unquoted font face name processing description

Author: John Daggett

css-fonts/Fonts.html

@@ -112,15 +112,15 @@
 
    <h1>CSS Fonts Module Level 3</h1>
 
-   <h2 class="no-num no-toc" id=editors-draft-22-may-2013>Editor's Draft 22
+   <h2 class="no-num no-toc" id=editors-draft-23-may-2013>Editor's Draft 23
     May 2013</h2>
 
    <dl id=authors>
     <dt>This version:
 
     <dd><a
      href="http://dev.w3.org/csswg/css-fonts/">http://dev.w3.org/csswg/css-fonts/</a>
-     <!-- <dd><a href="http://www.w3.org/TR/2013/ED-css3-fonts-20130522/">http://www.w3.org/TR/2013/ED-css3-fonts-20130522/</a> -->
+     <!-- <dd><a href="http://www.w3.org/TR/2013/ED-css3-fonts-20130523/">http://www.w3.org/TR/2013/ED-css3-fonts-20130523/</a> -->
 
 
     <dt>Latest version:
@@ -2327,7 +2327,11 @@ <h3 id=src-desc><span class=secno>4.3 </span>Font reference: the <a
    is a format-specific string that uniquely identifies a single font face
    within a larger family. The syntax for a <a
    href="#font-face-name-value"><var>&lt;font-face-name&gt;</var></a> is a
-   unique font face name enclosed by "local(" and ")".
+   unique font face name enclosed by "local(" and ")". The name can
+   optionally be enclosed in quotes. If unquoted, the unquoted font family
+   name processing conventions apply; the name must be a sequence of
+   identifiers separated by whitespace which is converted to a string by
+   joining the identifiers together separated by a single space.
 
   <pre>
 /* regular face of Gentium */
@@ -2338,12 +2342,12 @@ <h3 id=src-desc><span class=secno>4.3 </span>Font reference: the <a
 }
 </pre>
 
-  <p>The name can optionally be enclosed in quotes. For OpenType and TrueType
-   fonts, this string is used to match only the Postscript name or the full
-   font name in the name table of locally available fonts. Which type of name
-   is used varies by platform and font, so authors should include both of
-   these names to assure proper matching across platforms. Platform
-   substitutions for a given font name must not be used.
+  <p>For OpenType and TrueType fonts, this string is used to match only the
+   Postscript name or the full font name in the name table of locally
+   available fonts. Which type of name is used varies by platform and font,
+   so authors should include both of these names to assure proper matching
+   across platforms. Platform substitutions for a given font name must not be
+   used.
 
   <pre>
 /* bold face of Gentium */
@@ -2561,19 +2565,26 @@ <h3 id=unicode-range-desc><span class=secno>4.5 </span>Character range: the
    href="http://www.w3.org/TR/CSS21/syndata.html#tokenization"><code
    title="UNICODE-RANGE token">UNICODE-RANGE</code></a> token made up of a
    "U+" or "u+" prefix followed by a codepoint range in one of the three
-   forms listed below:
+   forms listed below. Ranges that do not fit one of the these forms are
+   invalid and cause the declaration to be ignored.
 
-  <ul>
-   <li>a single codepoint (e.g. U+416)
+  <dl>
+   <dt>single codepoint (e.g. U+416)
 
-   <li>an interval value range defined by two hyphen-separated codepoints
-    that indicate the inclusive start and end codepoints of a range (e.g.
-    U+400-4ff)
+   <dd>a valid Unicode codepoint, represented as one to six hexadecimal
+    digits
 
-   <li>a wildcard value range defined by the set of codepoints implied when
-    trailing ‘<code class=css>?</code>’ characters signify ‘<code
-    class=css>any digit value</code>’ (e.g. U+4??)
-  </ul>
+   <dt>interval range (e.g. ‘<code class=css>U+400-4ff</code>’)
+
+   <dd>represented as two hyphen-separated valid Unicode codepoints
+    indicating the inclusive start and end codepoints of a range
+
+   <dt>wildcard range (e.g. ‘<code class=css>U+4??</code>’)
+
+   <dd>defined by the set of codepoints implied when trailing ‘<code
+    class=css>?</code>’ characters signify ‘<code class=css>any
+    hexadeximal digit</code>’
+  </dl>
 
   <p>Individual codepoints are written using hexadecimal values that
    correspond to <a href="http://www.unicode.org/charts/">Unicode character
@@ -2595,11 +2606,11 @@ <h3 id=unicode-range-desc><span class=secno>4.5 </span>Character range: the
   <p>Within the comma-delimited list of Unicode ranges in a ‘<a
    href="#descdef-unicode-range"><code
    class=property>unicode-range</code></a>’ descriptor declaration, ranges
-   may overlap. Whitespace before or after commas is ignored. The union of
-   these ranges defines the set of codepoints for which the corresponding
-   font may be used. User agents must not download or use the font for
-   codepoints outside this set. User agents may normalize the list of ranges
-   into a list that is different but represents the same set of codepoints.
+   may overlap. The union of these ranges defines the set of codepoints for
+   which the corresponding font may be used. User agents must not download or
+   use the font for codepoints outside this set. User agents may normalize
+   the list of ranges into a list that is different but represents the same
+   set of codepoints.
 
   <p>The associated font may not contain glyphs for the entire set of
    codepoints defined by the ‘<a href="#descdef-unicode-range"><code