Tweak some wording and add more issues for line breaking

Author: fantasai

css3-text/Overview.src.html

@@ -872,10 +872,20 @@ <h2 id="line-breaking"><span class="secno">4.</span>
     Additionally the level of strictness in these restrictions can vary
     with the typesetting style.</p>
 
-  <p class="issue">Specify that out-of-flow elements do not introduce line
-   breaking opportunities. Specify whether images introduce line breaking
-   opportunities. Specify that CSS3 Text does not otherwise specify line
-   breaking opportunities.</p>
+  <p>CSS does not fully define where line breaking opportunities occur,
+    however some controls are provided to distinguish common variations.
+
+  <p>Floated and absolutely-positioned elements do not introduce a line
+    breaking opportunity. The line breaking behavior of a replaced element
+    is equivalent to that of a Latin character.</p>
+
+  <p class="issue">There is a question of what the default line breaking
+    of Korean should be, and whether dictionary-based breaking is needed
+    for typical layout (e.g. novels).</p>
+
+  <p class="issue">It is not clear whether this section handles Southeast Asian
+    scripts well. Additionally, some guidance should be provided on how to
+    break or not break Southeast Asian in the absence of a dictionary.</p>
 
   <h3 id="line-break"><span class="secno">4.1.</span>
     Line Breaking Restrictions for CJK Scripts: the 'line-break' property</h3>
@@ -962,18 +972,18 @@ <h3 id="line-break"><span class="secno">4.1.</span>
       <dt><dfn title="line-break:auto"><code>auto</code></dfn></dt>
       <dd>The UA determines the set of line-breaking restrictions to use for CJK scripts,
         and it may vary the restrictions based on the length of the line; e.g., 
-        use a less restrictive set of line-break restrictions for short lines,
-        so that justifications works better without adding a lot of extra spaces.</dd>
+        use a less restrictive set of line-break rules for short lines.</dd>
       <dt><dfn title="line-break:newspaper"><code>newspaper</code></dfn></dt>
-      <dd>Breaks CJK scripts using the least restrictive set of line-breaking restrictions
-        for short lines, such as newspapers.</dd>
+      <dd>Breaks CJK scripts using the least restrictive set of line-breaking
+        rules. Typically used for short lines, such as in newspapers.</dd>
       <dt><dfn title="line-break:normal"><code>normal</code></dfn></dt>
-      <dd>Breaks CJK scripts using a normal set of line-breaking restrictions.</dd>
+      <dd>Breaks CJK scripts using a normal set of line-breaking rules.</dd>
       <dt><dfn title="line-break:strict"><code>strict</code></dfn></dt>
-      <dd>Breaks CJK scripts using a more restrictive set of line-breaking restrictions than 'normal'.</dd>
+      <dd>Breaks CJK scripts using a more restrictive set of line-breaking
+        rules than 'normal'.</dd>
       <dt><dfn title="line-break:keep-all"><code>keep-all</code></dfn></dt>
       <dd>Sequences of CJK characters can no longer break on implied break points.
-        This option should only be used where the presence of white space
+        This option should only be used where the presence of word separator
         characters still creates line-breaking opportunities, as in Korean.</dd>
     </dl>
 
@@ -1033,7 +1043,9 @@ <h3 id="word-break"><span class="secno">4.2.</span>
         language of the text being broken.
         <p class="issue">This value is proposed to replace 'hyphenate' property currently defined in
           <a href="http://www.w3.org/TR/2007/WD-css3-gcpm-20070205/#hyphenation">Generated
-          Content for Paged Media</a> draft.</p></dd>
+          Content for Paged Media</a> draft. Note there are other values in
+          the editor's draft, which could be added as ''word-break: hyphenate-all''
+          and ''word-break: none''...</p></dd>
     </dl>
 
     <p>When shaping scripts such as Arabic are allowed to break within words
@@ -1218,6 +1230,11 @@ <h3 id="word-wrap"><span class="secno">5.2.</span>
       broken, and grapheme clusters must together stay as one unit.</dd>
     </dl>
 
+    <p class="issue">If Korean is set to keep-all, and the word doesn't
+      fit, should it break anyway? Do we need an 'auto' value here for
+      scripts where it's OK to break even if it's not ideal vs. scripts
+      (like Latin) where breaking in the middle of a word is wrong?</p>
+
 <h2 id="justification"><span class="secno">6.</span>
   Alignment and Justification</h2>