[css-text] Add issue for Korean line-breaking to line-break section.

Author: fantasai

css-text/Overview.html

@@ -1229,7 +1229,11 @@ <h3 id=line-break><span class=secno>5.2. </span> Breaking Rules for
 
    <dd>The UA determines the set of line-breaking restrictions to use, and it
     may vary the restrictions based on the length of the line; e.g., use a
-    less restrictive set of line-break rules for short lines.
+    less restrictive set of line-break rules for short lines. <!--
+        However, if 'word-break' is ''keep-all'',
+        then all the line-breaking restrictions listed below for ''line-break: strict''
+        must be applied.
+-->
 
    <dt><dfn id=loose title="line-break:loose">‘<code
     class=css>loose</code>’</dfn>
@@ -1248,6 +1252,15 @@ <h3 id=line-break><span class=secno>5.2. </span> Breaking Rules for
    <dd>Breaks text using the most stringent set of line-breaking rules.
   </dl>
 
+  <p class=issue> It is unclear how Korean should be handled here. It should
+   perhaps not be included in the lists below (alongside Chinese and
+   Japanese). Also, the behavior of ‘<code class=css>word-break:
+   keep-all</code>’ may be more appropriate if it also triggered ‘<code
+   class=css>strict</code>’ line-breaking here, at least in the case of
+   ‘<a href="#auto1"><code class=css>auto</code></a>’. See <a
+   href="http://lists.w3.org/Archives/Public/public-i18n-cjk/2013AprJun/0001.html">this
+   thread</a> for further discussion of these issues.
+
   <p>CSS distinguishes between three levels of strictness in the rules for
    text wrapping. The precise set of rules in effect for each level is up to
    the UA and should follow language conventions. However, this specification
@@ -2660,7 +2673,9 @@ <h3 id=letter-spacing><span class=secno>8.2. </span> Tracking: the ‘<a
    justification. This means that tracking can't be used in conjunction with,
    e.g. CJK justification methods. However, allowing it would mean we need a
    control for disabling it; German, for example, avoids letter-spacing for
-   justification because it's used for emphasis.
+   justification because it's used for emphasis. See <a
+   href="http://lists.w3.org/Archives/Public/www-style/2013May/0280.html">this
+   thread</a>.
 
   <p>Letter-spacing must not be applied at the beginning or at the end of a
    line. The total letter spacing between two adjacent <a

css-text/Overview.src.html

@@ -864,7 +864,12 @@ <h3 id="line-break">
       <dt><dfn title="line-break:auto">''auto''</dfn></dt>
       <dd>The UA determines the set of line-breaking restrictions to use,
         and it may vary the restrictions based on the length of the line; e.g.,
-        use a less restrictive set of line-break rules for short lines.</dd>
+        use a less restrictive set of line-break rules for short lines.
+<!--
+        However, if 'word-break' is ''keep-all'',
+        then all the line-breaking restrictions listed below for ''line-break: strict''
+        must be applied.
+-->
       <dt><dfn title="line-break:loose">''loose''</dfn></dt>
       <dd>Breaks text using the least restrictive set of line-breaking
         rules. Typically used for short lines, such as in newspapers.</dd>
@@ -875,6 +880,14 @@ <h3 id="line-break">
         rules.</dd>
     </dl>
 
+    <p class="issue">
+      It is unclear how Korean should be handled here.
+      It should perhaps not be included in the lists below (alongside Chinese and Japanese).
+      Also, the behavior of ''word-break: keep-all'' may be more appropriate
+      if it also triggered ''strict'' line-breaking here, at least in the case of ''auto''.
+      See <a href="http://lists.w3.org/Archives/Public/public-i18n-cjk/2013AprJun/0001.html">this thread</a>
+      for further discussion of these issues.
+
     <p>CSS distinguishes between three levels of strictness in the rules for
       text wrapping.
       The precise set of rules in effect for each level is up to the UA
@@ -2040,6 +2053,7 @@ <h3 id="letter-spacing">
      This means that tracking can't be used in conjunction with, e.g. CJK justification methods.
      However, allowing it would mean we need a control for disabling it;
      German, for example, avoids letter-spacing for justification because it's used for emphasis.
+     See <a href="http://lists.w3.org/Archives/Public/www-style/2013May/0280.html">this thread</a>.
 
     <p>Letter-spacing must not be applied at the beginning or at the end of a line.
        The total letter spacing between two adjacent <i>characters</i> (after bidi reordering) is specified by and rendered