D: Update known failures and tests.

Author: Golmote

examples/prism-d.html

@@ -264,10 +264,4 @@ <h3>Comments only support one level of nesting</h3>
 <pre><code>/+ /+ /+ this does not work +/ +/ +/</code></pre>
 
 <h3>Token strings only support one level of nesting</h3>
-<pre><code>q{ q{ q{ this does not work } } }</code></pre>
-
-<h3>Token strings inside comments are highlighted</h3>
-<pre><code>// This q{is} wrong</code></pre>
-
-<h3>Multi-line comment ends single-line comment</h3>
-<pre><code>// This /* is a */ comment </code></pre>
+<pre><code>q{ q{ q{ this does not work } } }</code></pre>

tests/languages/d/comment_feature.test

@@ -7,14 +7,18 @@ bar +/
 	/+
 	bar +/
 baz +/
+// This q{is} a comment
+// This /* is a */ comment
 
 ----------------------------------------------------
 
 [
 	["comment", "#!/usr/bin/env rdmd"],
 	["comment", "/++/"],
 	["comment", "/+ foo\r\nbar +/"],
-	["comment", "/+ foo\r\n\t/+\r\n\tbar +/\r\nbaz +/"]
+	["comment", "/+ foo\r\n\t/+\r\n\tbar +/\r\nbaz +/"],
+	["comment", "// This q{is} a comment"],
+	["comment", "// This /* is a */ comment"]
 ]
 
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