--- a/model/prov-constraints.html	Mon Sep 03 15:41:04 2012 +0100
+++ b/model/prov-constraints.html	Mon Sep 03 15:46:35 2012 +0100
@@ -685,7 +685,7 @@
   over which relevant attributes of the thing are not fixed, a PROV
   instance would describe multiple entities, each with its own
   identifier, <a>lifetime</a>, and fixed attributes, and express dependencies between
-  the various entities using <i><a href="instantaneous event">events</a></i>.  For example, in order to
+  the various entities using <i><a title="instantaneous event">events</a></i>.  For example, in order to
   describe the provenance of several versions of a document, involving
   attributes such as authorship that change over time, one can use
   different entities for the versions linked by appropriate
@@ -798,7 +798,7 @@
 </p>
 
 <div id="typing-table-fig">
-    <table id="typing-table" class="thinborder" style="margin-left: auto; margin-right: auto; border-color: black;">
+    <table id="typing-table" border=1 class="thinborder" style="margin-left: auto; margin-right: auto; border-color: black;">
 <caption id="typing-table-caption">Table 1: Summary of Typing Constraints</caption>
       <tr>
 	<th>In relation...</th>
@@ -808,172 +808,172 @@
 
 <tr><td style="border-width: 0px; "></td><td style="border-width: 0px; "></td><td style="border-width: 0px; "></td></tr>
 
-      <tr align="center" >
+      <tr style="text-align: center; " >
 	<td class="name">entity(e,attrs)</td>
-	<td class="name" align="center">e</td>
+	<td class="name" style="text-align: center; ">e</td>
 	<td class="name">'entity'</td>
       </tr>
-      <tr align="center" >
+      <tr style="text-align: center; " >
 	<td class="name">activity(a,t1,t2,attrs)</td>
 	<td class="name">a</td>
 	<td class="name">'activity'</td>
       </tr>
-      <tr align="center" >
+      <tr style="text-align: center; " >
 	<td class="name">agent(ag,attrs)</td>
 	<td class="name">ag</td>
 	<td class="name">'agent'</td>
       </tr>
-      <tr align="center" >
+      <tr style="text-align: center; " >
 	<td rowspan="2" class="name">used(id; a,e,t,attrs)</td>
 	<td class="name">e</td>
 	<td class="name">'entity'</td>
      </tr>
-     <tr align="center" >
+     <tr style="text-align: center; " >
 	<td class="name">a</td>
 	<td class="name">'activity'</td>
       </tr>
-     <tr align="center"  >
+     <tr style="text-align: center; "  >
 	<td rowspan="2" class="name">wasGeneratedBy(id; e,a,t,attrs)</td>
 	<td class="name">e</td>
 	<td class="name">'entity'</td>
       </tr>
-     <tr align="center">
+     <tr style="text-align: center; ">
 	<td class="name">a</td>
 	<td class="name">'activity'</td>
     </tr>
-      <tr align="center">
+      <tr style="text-align: center; ">
 	<td rowspan="2" class="name">wasInformedBy(id; a2,a1,attrs)</td>
 	<td class="name">a2</td>
 	<td class="name">'activity'</td>
       </tr>
-      <tr align="center">
+      <tr style="text-align: center; ">
 	<td class="name">a1</td>
 	<td class="name">'activity'</td>
       </tr>
-    <tr align="center">
+    <tr style="text-align: center; ">
 	<td rowspan=3 class="name">wasStartedBy(id; a2,e,a1,t,attrs)</td>
 	<td class="name">a2</td>
 	<td class="name">'activity'</td>
       </tr>
-      <tr align="center">
+      <tr style="text-align: center; ">
 	<td class="name">e</td>
 	<td class="name">'entity'</td>
       </tr>
-      <tr align="center">
+      <tr style="text-align: center; ">
 	<td class="name">a1</td>
 	<td class="name">'activity'</td>
       </tr>
-      <tr align="center">
+      <tr style="text-align: center; ">
 	<td rowspan="3" class="name">wasEndedBy(id; a2,e,a1,t,attrs)</td>
 	<td class="name">a2</td>
 	<td class="name">'activity'</td>
       </tr>
-      <tr align="center">
+      <tr style="text-align: center; ">
 	<td class="name">e</td>
 	<td class="name">'entity'</td>
       </tr>
-      <tr align="center">
+      <tr style="text-align: center; ">
 	<td class="name">a1</td>
 	<td class="name">'activity'</td>
       </tr>
-      <tr align="center">
+      <tr style="text-align: center; ">
 	<td rowspan="2" class="name">wasInvalidatedBy(id; e,a,t,attrs)</td>
 	<td class="name">e</td>
 	<td class="name">'entity'</td>
       </tr>
-      <tr align="center">
+      <tr style="text-align: center; ">
 	<td class="name">a</td>
 	<td class="name">'activity'</td>
       </tr>
-      <tr align="center">
+      <tr style="text-align: center; ">
 	<td rowspan="3" class="name">wasDerivedFrom(id; e2,e1,a,g,u,attrs)</td>
 	<td class="name">e2</td>
 	<td class="name">'entity'</td>
      </tr>
-      <tr align="center">
+      <tr style="text-align: center; ">
 	<td class="name">e1</td>
 	<td class="name">'entity'</td>
      </tr>
-      <tr align="center">
+      <tr style="text-align: center; ">
 	<td class="name">a</td>
 	<td class="name">'activity'</td>
      </tr>
-     <tr align="center">
+     <tr style="text-align: center; ">
 	<td rowspan="2" class="name">wasAttributedTo(id; e,ag,attr)</td>
 	<td class="name">e</td>
 	<td class="name">'entity'</td>
      </tr>
-      <tr align="center">
+      <tr style="text-align: center; ">
 	<td class="name">ag</td>
 	<td class="name">'agent'</td>
      </tr>
-     <tr align="center">
+     <tr style="text-align: center; ">
 	<td rowspan="3" class="name">wasAssociatedWith(id; a,ag,pl,attrs)</td>
 	<td class="name">a</td> 
 	<td class="name">'activity'</td>
      </tr>
-      <tr align="center">
+      <tr style="text-align: center; ">
 	<td class="name">ag</td> 
 	<td class="name">'agent'</td>
      </tr>
-      <tr align="center">
+      <tr style="text-align: center; ">
 	<td class="name">pl</td> 
 	<td class="name">'entity'</td>
      </tr>
-      <tr align="center">
+      <tr style="text-align: center; ">
 	<td  rowspan="3" class="name">actedOnBehalfOf(id; ag2,ag1,a,attrs)</td>
     	<td class="name">ag2</td> 
 	<td class="name">'agent'</td>
      </tr>
-     <tr align="center">
+     <tr style="text-align: center; ">
        <td class="name">ag1</td> 
        <td class="name">'agent'</td>
      </tr>
-      <tr align="center">
+      <tr style="text-align: center; ">
 	<td class="name">a</td> 
 	<td class="name">'activity'</td>
       </tr>
-      <tr align="center">
+      <tr style="text-align: center; ">
 	<td  rowspan="2" class="name">alternateOf(e1,e2)</td>
     	<td class="name">e1</td> 
 	<td class="name">'entity'</td>
      </tr>
-     <tr align="center">
+     <tr style="text-align: center; ">
        <td class="name">e2</td> 
        <td class="name">'entity'</td>
      </tr>
-      <tr align="center">
+      <tr style="text-align: center; ">
 	<td  rowspan="2" class="name">specializationOf(e1,e2)</td>
     	<td class="name">e1</td> 
 	<td class="name">'entity'</td>
      </tr>
-     <tr align="center">
+     <tr style="text-align: center; ">
        <td class="name">e2</td> 
        <td class="name">'entity'</td>
      </tr>
-      <tr align="center">
+      <tr style="text-align: center; ">
 	<td  rowspan="3" class="name">mentionOf(e1,e2,b)</td>
     	<td class="name">e1</td> 
 	<td class="name">'entity'</td>
      </tr>
-     <tr align="center">
+     <tr style="text-align: center; ">
        <td class="name">e2</td> 
        <td class="name">'entity'</td>
      </tr>
-     <tr align="center">
+     <tr style="text-align: center; ">
        <td class="name">b</td> 
        <td class="name">'entity'</td>
      </tr>
-           <tr align="center">
+           <tr style="text-align: center; ">
 	<td rowspan="2" class="name">hadMember(c,e)</td>
     	<td class="name">c</td> 
 	<td class="name">'entity'<br /> 'prov:Collection'</td>
      </tr>
-     <tr align="center">
+     <tr style="text-align: center; ">
        <td class="name">e</td> 
        <td class="name">'entity'</td>
      </tr>
-     <tr align="center">
+     <tr style="text-align: center; ">
 	<td class="name">entity(c,[prov:type='prov:EmptyCollection,...])</td>
     	<td class="name">c</td> 
 	<td class="name">'entity'<br /> 'prov:Collection' <br /> 'prov:EmptyCollection'</td>