Created a common ack file pattern and file itself, with a common tribute. See #2722 (comment)

Author: iherman

…34/acknowledgements-a11y-dedication.html common/acknowledgements.htmlepub34/acknowledgements-a11y-dedication.html renamed to common/acknowledgements.html epub34/acknowledgements-a11y-dedication.html renamed to common/acknowledgements.html

@@ -1,10 +1,13 @@
 <section id="ack" class="appendix informative">
     <h2>Acknowledgements</h2>
 
-    <p>Specifications, like art, are human creations. No human has done more for EPUB than Garth Conboy, who has
-		been there every step of the way, from the very first OEB 1.0 in 1999 to EPUB 3.3 which also led to today's EPUB 3.4. None of this
-		would have happened without Garth's vision, knowledge, and preternatural good nature. We dedicate EPUB 3.4 to his memory. 
-        We are forever in your debt, Garth.</p>
+    <p>
+        The Publishing Maintenance Working Group would also like to make a special acknowledgment to notable
+        contributors, and friends, we have lost along the way. In particular, EPUB, not just EPUB 3, would not be what is
+        today without the vision, knowledge, and preternatural good nature of Garth Conboy. Similarly, Ben Schroeter
+        will always be remembered for his tireless work to help EPUB reach its potential as a universally accessible
+        format. We are forever in their debt.
+    </p>
 
     <p>The following members of the Publishing Maintenance Working Group contributed to the development of this specification:</p>
 

epub34/ack-script/ack_a11y_dedication_pattern.html

@@ -1,6 +1,14 @@
 <section id="ack" class="appendix informative">
     <h2>Acknowledgements</h2>
 
+    <p>
+        The Publishing Maintenance Working Group would also like to make a special acknowledgment to notable
+        contributors, and friends, we have lost along the way. In particular, EPUB, not just EPUB 3, would not be what is
+        today without the vision, knowledge, and preternatural good nature of Garth Conboy. Similarly, Ben Schroeter
+        will always be remembered for his tireless work to help EPUB reach its potential as a universally accessible
+        format. We are forever in their debt.
+    </p>
+
     <p>The following members of the Publishing Maintenance Working Group contributed to the development of this specification:</p>
 
     <ul class="ack">