Added new hook for the issues_helper.show_details

app/helpers/issues_helper.rb

@@ -86,7 +86,9 @@ module IssuesHelper
     when 'attachment'
       label = l(:label_attachment)
     end
-       
+
+    Redmine::Plugin::Hook.call_hook(:issues_helper_show_details, {:detail => detail, :label => label, :value => value, :old_value => old_value })
+    
     label ||= detail.prop_key
     value ||= detail.value
     old_value ||= detail.old_value

lib/redmine/plugin.rb

@@ -137,7 +137,8 @@ module Redmine #:nodoc:
         :issue_bulk_edit_save => [],
         :issue_update => [],
         :project_member_list_header => [],
-        :project_member_list_column_three => []
+        :project_member_list_column_three => [],
+         :issues_helper_show_details => []
       }
         
       cattr_reader :hooks