Addressed various unicode related issues.

Note this is using recent changes from text_filter library.

modules/blog/cms_blog.e

@@ -50,10 +50,10 @@ feature -- Access
 
 feature -- Access: node
 
-	summary: detachable READABLE_STRING_8
+	summary: detachable READABLE_STRING_32
 			-- A short summary of the node.
 
-	content: detachable READABLE_STRING_8
+	content: detachable READABLE_STRING_32
 			-- Content of the node.
 
 	format: detachable READABLE_STRING_8

modules/blog/handler/blog_user_handler.e

@@ -123,7 +123,7 @@ feature -- HTML Output
 		do
 			a_output.append ("<h2>Posts from ")
 			if attached user as l_user then
-				a_output.append (l_user.name)
+				a_output.append (html_encoded (l_user.name))
 			else
 				a_output.append ("unknown user")
 			end