[css-text] Link in i18n justification article, now that it has a stable URL.

Author: fantasai

biblio.ref

@@ -2608,6 +2608,12 @@
 %R Report (draft) ISO/IEC CD15444-1:1999
 %U http://www.jpeg.org/cd15444-1.pdf
 
+%L JUSTIFY
+%A Elika Etemad
+%A Richard Ishida
+%T Approches to Full Justification
+%U https://www.w3.org/International/articles/typography/justification
+
 %L KUIL
 %A Thierry Kormann
 %T KUIL, the Koala User Interface Language

css-text/Overview.bs

@@ -1579,9 +1579,9 @@ Minimum Requirements for ''text-justify/auto'' Justification</h4>
       vs. the justification opportunity between a Han letter followed by a Hangul letter.
   </ul>
 
-  Further information about justification can be found at &hellip;
-
-  Issue: Need a stable reference from i18n. <code>http://w3c.github.io/typography/#justification</code> is not a good reference URL.
+  Further information on text justification can be found in (or submitted to) <a href="https://www.w3.org/International/articles/typography/justification">“Approaches to Full Justification”</a>,
+  which indexes by writing system and language,
+  and is maintained by the <a href="https://www.w3.org/International/">W3C Internationalization Working Group</a>. [[JUSTIFY]]
 
 <h2 id="spacing">
   Spacing</h2>