editorial tweaks to font-variant-position wording

Author: John Daggett

css3-fonts/Fonts.html

@@ -2492,13 +2492,6 @@ <h3 id=unicode-range-desc><span class=secno>4.5 </span>Character range: the
    frequently used characters. Since the user agent will only pull down the
    fonts it needs this helps reduce page bandwidth.
 
-  <p class=issue>It has been suggested that named ranges for commonly used
-   ranges be defined. Is this useful and if so, what should those ranges be
-   based on (e.g. Unicode's block definitions)? This would be especially
-   helpful for CJK segmenting where the goal would be to have named ranges
-   that group codepoints by relative frequency but it's unclear what source
-   to use as a basis for specifying this.
-
   <p>If the unicode ranges overlap for a set of @font-face rules with the
    same family and style descriptor values, the rules are ordered in the
    reverse order they were defined; the last rule defined is the first to be
@@ -3287,12 +3280,12 @@ <h3 id=font-variant-position-prop><span class=secno>6.4 </span>Subscript
    glyphs would be aligned correctly.
 
   <p>In the case of OpenType fonts that lack subscript or superscript glyphs
-   for a given character, to calculate the size and offset of the synthesized
-   substitutes user agents must use the appropriate subscript and superscript
-   metrics specified in the selected font's <a
+   for a given character, user agents must use the appropriate subscript and
+   superscript metrics specified in the selected font's <a
    href="http://www.microsoft.com/typography/otspec/os2.htm#subxs">OS/2
    table</a> <a href="#OPENTYPE"
-   rel=biblioentry>[OPENTYPE]<!--{{!OPENTYPE}}--></a>.
+   rel=biblioentry>[OPENTYPE]<!--{{!OPENTYPE}}--></a> to calculate the size
+   and offset of the synthesized substitutes.
 
   <p>In the past, user agents have used font-size and vertical-align to
    simulate subscripts and superscripts for the <code>sub</code> and
@@ -3305,12 +3298,12 @@ <h3 id=font-variant-position-prop><span class=secno>6.4 </span>Subscript
 
   <p>Authors should note that fonts typically only provide subscript and
    superscript glyphs for a subset of all characters supported by the font.
-   While subscripts and superscript glyphs are often available for Latin
-   numbers, punctuation and letter characters are less frequently supported.
-   The synthetic fallback rules defined for this property assure that
-   subscripts and superscripts will always appear but the appearance may not
-   match author expectations if the font used doesn't provide the appropriate
-   alternate glyph for all characters contained in a subscript or
+   While subscript and superscript glyphs are often available for Latin
+   numbers, glyphs for punctuation and letter characters are less frequently
+   provided. The synthetic fallback rules defined for this property assure
+   that subscripts and superscripts will always appear but the appearance may
+   not match author expectations if the font used does not provide the
+   appropriate alternate glyph for all characters contained in a subscript or
    superscript.
 
   <div class=figure><img alt="alternate superscripts vs. glyphs synthesized