Index: openacs-4/packages/acs-core-docs/www/permissions-tediously-explained.html
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-core-docs/www/permissions-tediously-explained.html,v
diff -u -r1.48 -r1.49
--- openacs-4/packages/acs-core-docs/www/permissions-tediously-explained.html	8 Nov 2017 09:42:11 -0000	1.48
+++ openacs-4/packages/acs-core-docs/www/permissions-tediously-explained.html	25 Apr 2018 08:38:28 -0000	1.49
@@ -149,7 +149,7 @@
       and <span class="emphasis"><em>F</em></span> form the following hierarchy. 
     </p>
 
-    <div class="table"><a name="idp140623163017608"></a><p class="title"><b>Table 11.2. Context Hierarchy Example</b></p><div class="table-contents">
+    <div class="table"><a name="idp140682187418040"></a><p class="title"><b>Table 11.2. Context Hierarchy Example</b></p><div class="table-contents">
       
       <table class="table" summary="Context Hierarchy Example" cellspacing="0" border="1"><colgroup><col align="center" class="c1"><col align="center" class="c2"><col align="center" class="c3"></colgroup><tbody><tr><td colspan="3" align="center">
 	      <span class="bold"><strong>A</strong></span>
@@ -190,7 +190,7 @@
       by the following entries: 
     </p>
 
-    <div class="table"><a name="idp140623167583592"></a><p class="title"><b>Table 11.3. acs_objects example data</b></p><div class="table-contents">
+    <div class="table"><a name="idp140682182505032"></a><p class="title"><b>Table 11.3. acs_objects example data</b></p><div class="table-contents">
       
       <table class="table" summary="acs_objects example data" cellspacing="0" border="1"><colgroup><col align="center" class="c1"><col align="center" class="c2"></colgroup><thead><tr><th align="center">object_id</th><th align="center">context_id</th></tr></thead><tbody><tr><td align="center">20</td><td align="center">10</td></tr><tr><td align="center">30</td><td align="center">10</td></tr><tr><td align="center">40</td><td align="center">20</td></tr><tr><td align="center">50</td><td align="center">20</td></tr><tr><td align="center">60</td><td align="center">30</td></tr></tbody></table>
     </div></div><br class="table-break">
@@ -646,7 +646,7 @@
       The situation we are
       facing in trying to determine whether or not a user is member of a group is similar to the one
       discussed above in the case of the context hierarchy.  Groups can form hierarchies with
-      respect to the composition relationship.  The compositon relationship is transitive.  If
+      respect to the composition relationship.  The composition relationship is transitive.  If
       <span class="emphasis"><em>G1</em></span> is a subgroup of <span class="emphasis"><em>G2</em></span>, and <span class="emphasis"><em>G2</em></span> is a subgroup of <span class="emphasis"><em>G3</em></span>, then
       <span class="emphasis"><em>G1</em></span> is a subgroup of <span class="emphasis"><em>G3</em></span>; that is, any member of <span class="emphasis"><em>G1</em></span> is also a member
       of <span class="emphasis"><em>G3</em></span>.