Index: test/fixtures/roles.yml
===================================================================
--- test/fixtures/roles.yml	(revision 1400)
+++ test/fixtures/roles.yml	(working copy)
@@ -28,6 +28,7 @@
     - :view_documents
     - :manage_documents
     - :view_wiki_pages
+    - :view_wiki_history
     - :edit_wiki_pages
     - :delete_wiki_pages
     - :rename_wiki_pages
@@ -68,6 +69,7 @@
     - :view_documents
     - :manage_documents
     - :view_wiki_pages
+    - :view_wiki_history
     - :edit_wiki_pages
     - :delete_wiki_pages
     - :add_messages
@@ -103,6 +105,7 @@
     - :view_documents
     - :manage_documents
     - :view_wiki_pages
+    - :view_wiki_history
     - :edit_wiki_pages
     - :delete_wiki_pages
     - :add_messages
@@ -133,6 +136,7 @@
     - :view_documents
     - :manage_documents
     - :view_wiki_pages
+    - :view_wiki_history
     - :edit_wiki_pages
     - :add_messages
     - :view_files
@@ -153,6 +157,7 @@
     - :view_time_entries
     - :view_documents
     - :view_wiki_pages
+    - :view_wiki_history
     - :view_files
     - :browse_repository
     - :view_changesets
Index: app/views/wiki/show.rhtml
===================================================================
--- app/views/wiki/show.rhtml	(revision 1400)
+++ app/views/wiki/show.rhtml	(working copy)
@@ -3,7 +3,7 @@
 <%= link_to_if_authorized(l(:button_rename), {:action => 'rename', :page => @page.title}, :class => 'icon icon-move') if @content.version == @page.content.version %>
 <%= link_to_if_authorized(l(:button_delete), {:action => 'destroy', :page => @page.title}, :method => :post, :confirm => l(:text_are_you_sure), :class => 'icon icon-del') %>
 <%= link_to_if_authorized(l(:button_rollback), {:action => 'edit', :page => @page.title, :version => @content.version }, :class => 'icon icon-cancel') if @content.version < @page.content.version %>
-<%= link_to(l(:label_history), {:action => 'history', :page => @page.title}, :class => 'icon icon-history') %>
+<%= link_to_if_authorized(l(:label_history), {:action => 'history', :page => @page.title}, :class => 'icon icon-history') %>
 </div>
 
 <% if @content.version != @page.content.version %>
Index: lib/redmine/default_data/loader.rb
===================================================================
--- lib/redmine/default_data/loader.rb	(revision 1400)
+++ lib/redmine/default_data/loader.rb	(working copy)
@@ -61,6 +61,7 @@
                                                       :comment_news,
                                                       :view_documents,
                                                       :view_wiki_pages,
+                                                      :view_wiki_history,
                                                       :edit_wiki_pages,
                                                       :delete_wiki_pages,
                                                       :add_messages,
@@ -81,6 +82,7 @@
                                                     :comment_news,
                                                     :view_documents,
                                                     :view_wiki_pages,
+                                                    :view_wiki_history,
                                                     :add_messages,
                                                     :view_files,
                                                     :browse_repository,
@@ -95,6 +97,7 @@
                                                             :comment_news,
                                                             :view_documents,
                                                             :view_wiki_pages,
+                                                            :view_wiki_history,
                                                             :add_messages,
                                                             :view_files,
                                                             :browse_repository,
@@ -105,6 +108,7 @@
                                                            :view_time_entries,
                                                            :view_documents,
                                                            :view_wiki_pages,
+                                                           :view_wiki_history,
                                                            :view_files,
                                                            :browse_repository,
                                                            :view_changesets]
Index: lib/redmine.rb
===================================================================
--- lib/redmine.rb	(revision 1400)
+++ lib/redmine.rb	(working copy)
@@ -74,7 +74,8 @@
     map.permission :manage_wiki, {:wikis => [:edit, :destroy]}, :require => :member
     map.permission :rename_wiki_pages, {:wiki => :rename}, :require => :member
     map.permission :delete_wiki_pages, {:wiki => :destroy}, :require => :member
-    map.permission :view_wiki_pages, :wiki => [:index, :history, :diff, :annotate, :special]
+    map.permission :view_wiki_pages, :wiki => [:index, :special]
+    map.permission :view_wiki_history, :wiki => [:history, :diff, :annotate]
     map.permission :edit_wiki_pages, :wiki => [:edit, :preview, :add_attachment, :destroy_attachment]
   end