That way, a skin can annotate them based on compound css classes.. 

 
$ svn diff templates/twiki.moveabletype.tmpl templates/viewtopicactionbuttons.tmpl pub/TWiki/MoveableTypeDesign/TWiki.css
Index: templates/twiki.moveabletype.tmpl
===================================================================
--- templates/twiki.moveabletype.tmpl    (revision 158)
+++ templates/twiki.moveabletype.tmpl    (working copy)
@@ -67,7 +67,7 @@
 
 %{ **************************************************************************************************************************************************************************** }%
 %{ ******************************************* }%
-%TMPL:DEF{"bodystart"}%<body class="layout-%TMPL:P{moveabletypecolumns}% %CONTEXT{escape}%">
+%TMPL:DEF{"bodystart"}%<body class="layout-%TMPL:P{moveabletypecolumns}% %CONTEXT{escape}% %IF{"'%BASEWEB%.%BASETOPIC%' allows 'change'" then="hasChangePermission"}%">
    <div id="container">
       <div id="container-inner" class="pkg">%TMPL:END%
 %{ ******************************************* }%
Index: templates/viewtopicactionbuttons.tmpl
===================================================================
--- templates/viewtopicactionbuttons.tmpl    (revision 158)
+++ templates/viewtopicactionbuttons.tmpl    (working copy)
@@ -1,17 +1,17 @@
 %TMPL:DEF{"topicactionbuttons"}%%TMPL:P{"action_activatable_edit_or_create"}%%TMPL:P{"action_activatable_attach"}%%TMPL:P{"action_printable"}%%TMPL:P{"action_revisions"}%%TMPL:P{"action_backlinks_simple"}%%TMPL:P{"action_raw_or_view"}%%TMPL:P{"action_activatable_raw_edit"}%%TMPL:P{"activatable_more"}%%TMPL:END%
 
 
-%TMPL:DEF{"create_topic_link"}%<span><a href='%SCRIPTURL{"edit"}%/%WEB%/%TOPIC%?t=%GMTIME{"$epoch"}%%TMPL:P{"url_param_editaction"}%%IF{"context TinyMCEPluginEnabled" else=";nowysiwyg=1"}%' rel='nofollow' %MAKETEXT{"title='Create new topic' accesskey='c'>&Create"}%</a></span>%TMPL:END%
+%TMPL:DEF{"create_topic_link"}%<span class="requiresChangePermission"><a href='%SCRIPTURL{"edit"}%/%WEB%/%TOPIC%?t=%GMTIME{"$epoch"}%%TMPL:P{"url_param_editaction"}%%IF{"context TinyMCEPluginEnabled" else=";nowysiwyg=1"}%' rel='nofollow' %MAKETEXT{"title='Create new topic' accesskey='c'>&Create"}%</a></span>%TMPL:END%
 
 
-%TMPL:DEF{"edit_topic_link"}%<span><a href='%SCRIPTURL{"edit"}%/%WEB%/%TOPIC%?t=%GMTIME{"$epoch"}%%TMPL:P{"url_param_editaction"}%%IF{"context TinyMCEPluginEnabled" then="" else=";nowysiwyg=1"}%' rel='nofollow' %MAKETEXT{"title='Edit this topic text' accesskey='e'>&Edit"}%</a></span>%TMPL:END%
+%TMPL:DEF{"edit_topic_link"}%<span class="requiresChangePermission"><a href='%SCRIPTURL{"edit"}%/%WEB%/%TOPIC%?t=%GMTIME{"$epoch"}%%TMPL:P{"url_param_editaction"}%%IF{"context TinyMCEPluginEnabled" then="" else=";nowysiwyg=1"}%' rel='nofollow' %MAKETEXT{"title='Edit this topic text' accesskey='e'>&Edit"}%</a></span>%TMPL:END%
 
-%TMPL:DEF{"raw_edit_link"}%<span><a href='%SCRIPTURL{"edit"}%/%WEB%/%TOPIC%?t=%GMTIME{"$epoch"}%;nowysiwyg=1' rel='nofollow' %MAKETEXT{"title='Raw Edit this topic text' accesskey='w'>Ra&w edit"}%</a></span>%TMPL:END%
+%TMPL:DEF{"raw_edit_link"}%<span class="requiresChangePermission"><a href='%SCRIPTURL{"edit"}%/%WEB%/%TOPIC%?t=%GMTIME{"$epoch"}%;nowysiwyg=1' rel='nofollow' %MAKETEXT{"title='Raw Edit this topic text' accesskey='w'>Ra&w edit"}%</a></span>%TMPL:END%
 
 %TMPL:DEF{"view_topic_link"}%<span><a href='%SCRIPTURL{"view"}%/%WEB%/%TOPIC%' rel='nofollow' %MAKETEXT{"title='View topic' accesskey='v'>&View topic"}%</a></span>%TMPL:END%
 
 
-%TMPL:DEF{"attach_link"}%<span><a href='%SCRIPTURLPATH{"attach"}%/%WEB%/%TOPIC%' rel='nofollow' %MAKETEXT{"title='Attach an image or document to this topic' accesskey='a'>&Attach"}%</a></span>%TMPL:END%
+%TMPL:DEF{"attach_link"}%<span class="requiresChangePermission"><a href='%SCRIPTURLPATH{"attach"}%/%WEB%/%TOPIC%' rel='nofollow' %MAKETEXT{"title='Attach an image or document to this topic' accesskey='a'>&Attach"}%</a></span>%TMPL:END%
 
 
 %TMPL:DEF{"more_link"}%<span><a href='%SCRIPTURLPATH{"oops"}%/%WEB%/%TOPIC%?template=oopsmore&param1=%MAXREV%&param2=%CURRREV%' rel='nofollow' %MAKETEXT{"title='Delete or rename this topic; set parent topic; view and compare revisions' accesskey='m'>&More topic actions"}%</a></span>%TMPL:END%
@@ -30,9 +30,9 @@
 %TMPL:DEF{"backlinks_link"}%<span><a href='%SCRIPTURLPATH{"oops"}%/%WEB%/%TOPIC%?template=backlinksweb' rel='nofollow' %MAKETEXT{"title='Search the [_1] Web for topics that link to here' accesskey='b'>&Backlinks" args="<nop>%WEB%"}%</a></span>%TMPL:END%
 
 
-%TMPL:DEF{"history_rdiff_link"}%<span><a href='%SCRIPTURLPATH{"rdiff"}%/%WEB%/%TOPIC%?type=history' rel='nofollow' %MAKETEXT{"title='View total topic history' accesskey='h'>&History"}%</a></span>%TMPL:END%
+%TMPL:DEF{"history_rdiff_link"}%<span class="requiresChangePermission"><a href='%SCRIPTURLPATH{"rdiff"}%/%WEB%/%TOPIC%?type=history' rel='nofollow' %MAKETEXT{"title='View total topic history' accesskey='h'>&History"}%</a></span>%TMPL:END%
 
-%TMPL:DEF{"history_history_link"}%<span><a href='%SCRIPTURLPATH{"oops"}%/%WEB%/%TOPIC%?template=oopshistory' rel='nofollow' %MAKETEXT{"title='View total topic history' accesskey='h'>&History"}%</a></span>%TMPL:END%
+%TMPL:DEF{"history_history_link"}%<span class="requiresChangePermission"><a href='%SCRIPTURLPATH{"oops"}%/%WEB%/%TOPIC%?template=oopshistory' rel='nofollow' %MAKETEXT{"title='View total topic history' accesskey='h'>&History"}%</a></span>%TMPL:END%
 
 
 %TMPL:DEF{"raw_link"}%<span><a href='%SCRIPTURLPATH{"view"}%/%WEB%/%TOPIC%?raw=on%REVARG%' rel='nofollow' %MAKETEXT{"title='View raw text without formatting' accesskey='r'>&Raw View"}%</a></span>%TMPL:END%
@@ -107,4 +107,4 @@
 
 %TMPL:DEF{"action_revisions"}%%TMPL:P{"revisions"}%%TMPL:P{"sep"}%%TMPL:END%
 
-%TMPL:DEF{"revisions"}%<span>%TMPL:P{context="HistoryPluginEnabled" then="history_history" else="history_rdiff"}%: %TMPL:P{context="CompareRevisionsAddonPluginEnabled" then="revisions_compare" else="revisions_rdiff"}%</span>%TMPL:END%
\ No newline at end of file
+%TMPL:DEF{"revisions"}%<span>%TMPL:P{context="HistoryPluginEnabled" then="history_history" else="history_rdiff"}%: %TMPL:P{context="CompareRevisionsAddonPluginEnabled" then="revisions_compare" else="revisions_rdiff"}%</span>%TMPL:END%
Index: pub/TWiki/MoveableTypeWikiRingNetDesign/TWiki.css
===================================================================
--- pub/TWiki/MoveableTypeDesign/TWiki.css    (revision 158)
+++ pub/TWiki/MoveableTypeDesign/TWiki.css    (working copy)
@@ -1274,6 +1274,14 @@
     display:none;
 }
 
+/*don't show change topic actions if the user is not allowed to CHANGE*/
+.requiresChangePermission {
+    display:none;
+}
+.hasChangePermission .requiresChangePermission {
+    display:inline;
+}
+
 fieldset{
     border-width: 3px 1px;
     border-style: solid;
Index: data/TWiki/WebTopicViewTemplate.txt
===================================================================
--- data/TWiki/WebTopicViewTemplate.txt   (revision 158)
+++ data/TWiki/WebTopicViewTemplate.txt   (working copy)
@@ -23,5 +23,7 @@
 %ICON{arrowbright}% [[%SCRIPTURLPATH{"view"}%/%BASEWEB%/WebSearch?scope=topic;search=%BASETOPIC%][%MAKETEXT{"List more similar topic in this web"}%]] %BR% 
 %ICON{arrowbright}% [[%SCRIPTURLPATH{"view"}%/%BASEWEB%/WebSearch?scope=topic;web=all;search=%BASETOPIC%][%MAKETEXT{"Search similar topics in all public webs"}%]]
 
+<div  class="requiresChangePermission">
 ---+++ %MAKETEXT{"Do you wish to create the topic [_1]?" args="'%BASETOPIC%'"}%
 %ICON{arrowbright}% [[%SCRIPTURL{view}%/%BASEWEB%/%BASETOPIC%?create=on&newtopic=%BASETOPIC%&template=WebCreateNewTopic&topicparent=%URLPARAM{"topicparent"}%][%MAKETEXT{"Create '[_1]'" args="<nop>%BASETOPIC%"}%]]
+</div>



not sure if this is a 4.2.1 thing - though i'll be using it from now on.

-- TWiki:Main/SvenDowideit - 04 Apr 2008

BTW, this is somewhat related to my using %CONTEXT% to prime my html body's css classes, though I did add the extra IF because there is no 'hasChangePermission' etc context.

Yes, I'm contemplating adding those contexts.

-- TWiki:Main.SvenDowideit - 04 Apr 2008

To align the CSS class name, use prefix twiki: twikiRequiresChangePermission.

-- TWiki:Main.ArthurClemens - 04 Apr 2008

roight you are sir! :} thanks for the pointer.

-- TWiki:Main.SvenDowideit - 05 Apr 2008

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