Address Director's feedback

Author: palemieux

imsc1/spec/substantive-changes-summary.txt

@@ -47,6 +47,8 @@ From CR (20180503)
 
 * Recommend against use of XML entities other than character reference and predefined entities (#431)
 
+* The following features are marked "at-risk":  #lineShear, #length-root-container-relative, and #shear 
+
 
 From WD (20171017)
 ==================

imsc1/spec/ttml-ww-profiles.html

@@ -40,8 +40,12 @@
                   ,   wgPublicList: "public-tt"
                   ,   wgPatentURI: "https://www.w3.org/2004/01/pp-impl/34314/status"
                   ,   subjectPrefix: "[imsc1.1]"
-                  ,   edDraftURI: "https://rawgit.com/w3c/imsc/IMSC1.1/imsc1/spec/ttml-ww-profiles.html"
-                  ,   github: "https://github.com/w3c/imsc"
+                  ,   edDraftURI: "https://w3c.github.io/imsc/imsc1/spec/ttml-ww-profiles.html"
+                  ,   github: {
+                          repoURL : "https://github.com/w3c/imsc/",
+                          branch : "master"
+                          
+                        }
                   ,   license: "w3c"
                   ,   localBiblio:  {
                           "SUBM": {
@@ -179,7 +183,7 @@
 
     <p>A list of the substantive changes applied since the <a href="https://www.w3.org/TR/2017/WD-ttml-imsc1.1-20171017/">initial
     Working Draft</a> is found at <a href="substantive-changes-summary.txt">substantive-changes-summary.txt</a>. For convenience, a
-    diff is offered at the <a href="https://www.w3.org/TR/2018/CR-ttml-imsc1.1-20180726/">W3C HTML Diff service</a>.</p>
+    diff is offered at the <a href="https://services.w3.org/htmldiff?doc1=https%3A%2F%2Fwww.w3.org%2FTR%2F2018%2FCR-ttml-imsc1.1-20180503%2F&doc2=https%3A%2F%2Fwww.w3.org%2FTR%2F2018%2FCR-ttml-imsc1.1-20180726%2F">W3C HTML Diff service</a>.</p>
   </section>
 
   <section id='scope'>