diff --git a/imsc1/spec/manifest.txt b/imsc1/spec/manifest.txt
index 417c65e1..71fc38be 100644
--- a/imsc1/spec/manifest.txt
+++ b/imsc1/spec/manifest.txt
@@ -1,5 +1,4 @@
 ttml-ww-profiles.html respec
-diff.html
 substantive-changes-summary.txt
 xml-schemas/index.html
 xml-schemas/imsc1.xsd
@@ -8,6 +7,7 @@ xml-schemas/imsc1-metadata.xsd
 xml-schemas/imsc1-parameters.xsd
 xml-schemas/imsc1-styling.xsd
 figures/fillLineGap-example-figure-1.png
+figures/fillLineGap-example-figure-2.png
 figures/forced-example-figure-1.png
 figures/hypothetical-render-figure-1.png
 figures/text-render-example-figure-2.png
diff --git a/imsc1/spec/substantive-changes-summary.txt b/imsc1/spec/substantive-changes-summary.txt
index 35bb494e..81ce771e 100644
--- a/imsc1/spec/substantive-changes-summary.txt
+++ b/imsc1/spec/substantive-changes-summary.txt
@@ -26,4 +26,10 @@ From WD (20170322)
 
 - clarified requirement that regions are contained within root container (#239)
 
-- clarified syntax of ittp:activeArea (#221)
\ No newline at end of file
+- clarified syntax of ittp:activeArea (#221)
+
+From CR (20170713)
+==================
+
+- clarified that the TTML1 style resolution procedure applies to extension style properties
+  defined in this specification (#300)
\ No newline at end of file
diff --git a/imsc1/spec/ttml-ww-profiles.html b/imsc1/spec/ttml-ww-profiles.html
index aaa8f646..f6947663 100644
--- a/imsc1/spec/ttml-ww-profiles.html
+++ b/imsc1/spec/ttml-ww-profiles.html
@@ -9,15 +9,16 @@
 </script>
   <script class='remove'>
 var respecConfig = {
-                    specStatus:   "ED"
-                ,   processVersion: "2017"
-                ,   previousMaturity: "WD"
-                ,   publishDate: "2017-07-13"
-                ,   crEnd: "2017-08-13"
+                    specStatus:   "PR"
+                ,   processVersion: "2018"
+                ,   previousMaturity: "CR"
+                ,   publishDate: "2018-02-20"
                 /*,   errata: "http://www.w3.org/2016/04/ttml-imsc1-errata.html"*/
+                ,   crEnd: "2018-02-15"
+                ,   prEnd: "2018-03-20"
                 ,   implementationReportURI: "https://www.w3.org/wiki/TimedText/IMSC1_0_1_Implementation_Report"
                 ,   sotdAfterWGinfo: "true"
-                ,   previousPublishDate: "2017-03-22"
+                ,   previousPublishDate: "2017-07-13"
                 ,   shortName:    "ttml-imsc1.0.1"
                 ,   otherLinks: [{
                           key: 'Latest IMSC1 recommendation',
@@ -87,26 +88,18 @@
   </section>
 
   <section id='sotd'>
-    <p>For this specification to exit the CR stage, at least 2 independent implementations of every feature defined in this
-    specification but not already present in [[IMSC1]] need to be documented in the implementation report. The implementation
-    report is based on implementer-provided test results for the <a href=
-    "https://www.w3.org/AudioVideo/TT/IMSC/ttml-imsc1.0.1/testsuite/">exit criteria test suite</a>. The Working Group does not
-    require that implementations are publicly available but encourages them to be so.</p>The Working Group has not identified
-    features "at risk" for this specification.
+    <p>The <a href="https://www.w3.org/wiki/TimedText/IMSC1_0_1_Implementation_Report">implementation report</a> documents that
+    there are at least 2 independent implementations for every feature defined in this specification but not already present in
+    [[IMSC1]], thereby satisfying the <a href="https://www.w3.org/AudioVideo/TT/IMSC/ttml-imsc1.0.1/testsuite/">exit criteria test
+    suite</a>.</p>
 
     <p>A list of the substantive changes applied since the <a href="https://www.w3.org/TR/2017/WD-ttml-imsc1.0.1-20170322/">initial
     Working Draft</a> is found at <a href="substantive-changes-summary.txt">substantive-changes-summary.txt</a>.</p>
 
-    <p>This revision of the document is designed such that <a data-lt="processor">Processors</a> and <a data-lt=
-    "document instance">document instances</a> that conform to the <a href=
-    "http://www.w3.org/TR/2016/REC-ttml-imsc1-20160421/">Recommendation dated 21 April 2016</a> also conform to this revision. As a
-    result, review should focus on the modifications made since the <a href=
-    "http://www.w3.org/TR/2016/REC-ttml-imsc1-20160421/">Recommendation dated 21 April 2016</a>, including the <a href=
-    "#ittp-activeArea"></a> and <a href="#itts-fillLineGap"></a> features.</p>
-
-    <p>For convenience, a complete diff between this version and the <a href=
-    "http://www.w3.org/TR/2016/REC-ttml-imsc1-20160421/">Recommendation dated 21 April 2016</a> is found at <a href=
-    "diff.html">diff.html</a>.</p>
+    <p>For convenience, a diff between this version and the previous <a href=
+    "https://www.w3.org/TR/2017/CR-ttml-imsc1.0.1-20170713/">Candidate Recommendation dated 13 July 2017</a> is offered at the <a href=
+    "https://services.w3.org/htmldiff?doc1=https%3A%2F%2Fwww.w3.org%2FTR%2F2017%2FCR-ttml-imsc1.0.1-20170713%2F&doc2=https%3A%2F%2Fwww.w3.org%2FTR%2F2018%2FPR-ttml-imsc1.0.1-20180220%2F">
+    W3C HTML Diff service</a>.</p>
   </section>
 
   <section id='scope'>