[css-text] Clarify that letter-spacing can result in compression

Author: fantasai

css-text/Overview.bs

@@ -2169,9 +2169,12 @@ Word Spacing: the 'word-spacing' property</h3>
       an “fi” ligature should not be used
       as it will prevent even spacing of the text.
 
+<h4 id="cursive-tracking">
+Cursive Scripts</h4>
+
     <p>If it is able, the UA <em>may</em> apply letter spacing to <a>cursive scripts</a>
     by translating the total extra space to be distributed to a run of such letters
-    into some form of cursive elongation for that run.
+    into some form of cursive elongation (or compression, for negative tracking values) for that run.
     Otherwise, if the UA cannot expand text from a <a>cursive script</a>
     without breaking its cursive connections,
     it <em>must not</em> apply spacing

css-text/issues-lc-2013.txt

@@ -626,7 +626,7 @@ Comment:  http://lists.w3.org/Archives/Public/www-style/2014May/0398.html
 Comment:  http://lists.w3.org/Archives/Public/www-style/2014May/0409.html
 Response: http://lists.w3.org/Archives/Public/www-style/2014Aug/0217.html
 Response: http://lists.w3.org/Archives/Public/www-style/2014Aug/0295.html
-Open: Needs edits
+Closed:   Accepted
 Resolved: https://lists.w3.org/Archives/Public/www-style/2014Oct/0259.html
 ----
 Issue 71.
@@ -710,7 +710,7 @@ Comment:  http://lists.w3.org/Archives/Public/www-style/2014May/0398.html
 Comment:  http://lists.w3.org/Archives/Public/www-style/2014May/0409.html
 Response: http://lists.w3.org/Archives/Public/www-style/2014Aug/0217.html
 Response: http://lists.w3.org/Archives/Public/www-style/2014Aug/0295.html
-Open: Needs edits
+Closed:   Accepted
 Resolved: https://lists.w3.org/Archives/Public/www-style/2014Oct/0259.html
 ----
 Issue 80.