1.1 --- a/css-fonts/Fonts.html Tue Jun 11 14:34:10 2013 +0900
1.2 +++ b/css-fonts/Fonts.html Tue Jun 11 16:52:35 2013 +0900
1.3 @@ -1653,6 +1653,13 @@
1.4 id=aspect-value>aspect value</dfn></a>. Precisely defined, it is equal to
1.5 the x-height of a font divided by the font size.
1.6
1.7 + <p class=issue>How does the use of ‘<a
1.8 + href="#propdef-font-size-adjust"><code
1.9 + class=property>font-size-adjust</code></a>’ affect <a
1.10 + href="http://www.w3.org/TR/css3-values/#font-relative-lengths"><em>font-relative</em></a>
1.11 + unit sizes? Are all units affected the same way, i.e. including the
1.12 + definition of ‘<code class=property>em</code>’?
1.13 +
1.14 <p>In situations where font fallback occurs, fallback fonts may not share
1.15 the same aspect ratio as the desired font family and will thus appear less
1.16 readable. The font-size-adjust property is a way to preserve the
1.17 @@ -3012,8 +3019,8 @@
1.18 fallback font. In cases where the font download fails user agents must
1.19 display text, simply leaving transparent text is considered non-conformant
1.20 behavior. Authors are advised to use fallback fonts in their font lists
1.21 - that closely match the vertical metrics of the downloadable fonts to avoid
1.22 - large page reflows where possible.
1.23 + that closely match the metrics of the downloadable fonts to avoid large
1.24 + page reflows where possible.
1.25
1.26 <h3 id=same-origin-restriction><span class=secno>4.9 </span>Same-origin
1.27 restriction for fonts</h3>
1.28 @@ -3348,6 +3355,15 @@
1.29 consistent as possible across user agents, given an identical set of
1.30 available fonts and rendering technology.
1.31
1.32 + <p>The <dfn id=first-available-font>first available font</dfn>, used in the
1.33 + definition of <a
1.34 + href="http://www.w3.org/TR/css3-values/#font-relative-lengths"><em>font-relative
1.35 + lengths</em></a> such as ‘<code class=property>ex</code>’ and ‘<code
1.36 + class=property>ch</code>’, is defined to be the first available font
1.37 + that would match any character given font families in the ‘<code
1.38 + class=property>font-family</code>’ list (or a user agent's default font
1.39 + if none are available).
1.40 +
1.41 <h3 id=cluster-matching><span class=secno>5.3 </span>Cluster matching</h3>
1.42
1.43 <p>When text contains characters such as combining marks, ideally the base
1.44 @@ -6472,6 +6488,9 @@
1.45 <li>feature_value_definition, <a href="#featurevaluedefinition"
1.46 title="feature_value_definition"><strong>6.9.1</strong></a>
1.47
1.48 + <li>first available font, <a href="#first-available-font" title="first
1.49 + available font"><strong>5.2</strong></a>
1.50 +
1.51 <li>font, <a href="#propdef-font" title=font><strong>3.7</strong></a>
1.52
1.53 <li>font specific, <a href="#font-specific" title="font
