Index: app/helpers/queries_helper.rb
===================================================================
--- app/helpers/queries_helper.rb	(revision 3078)
+++ app/helpers/queries_helper.rb	(working copy)
@@ -49,8 +49,12 @@
       else
         case column.name
         when :subject
-        h((!@project.nil? && @project != issue.project) ? "#{issue.project.name} - " : '') +
+        if Setting.hide_prefixed_projectname_from_issuesubject_on_issuelist?
           link_to(h(value), :controller => 'issues', :action => 'show', :id => issue)
+        else
+          h((!@project.nil? && @project != issue.project) ? "#{issue.project.name} - " : '') +
+            link_to(h(value), :controller => 'issues', :action => 'show', :id => issue)
+        end
         when :project
           link_to(h(value), :controller => 'projects', :action => 'show', :id => value)
         when :assigned_to
Index: app/views/settings/_issues.rhtml
===================================================================
--- app/views/settings/_issues.rhtml	(revision 3078)
+++ app/views/settings/_issues.rhtml	(working copy)
@@ -11,6 +11,11 @@
 <%= check_box_tag 'settings[display_subprojects_issues]', 1, Setting.display_subprojects_issues? %>
 </p>
 
+<p><label><%= l(:setting_hide_prefixed_projectname_from_issuesubject_on_issuelist) %></label>
+<%= hidden_field_tag 'settings[hide_prefixed_projectname_from_issuesubject_on_issuelist]', 0 %>
+<%= check_box_tag 'settings[hide_prefixed_projectname_from_issuesubject_on_issuelist]', 1, Setting.hide_prefixed_projectname_from_issuesubject_on_issuelist? %>
+</p>
+
 <p><label><%= l(:setting_issues_export_limit) %></label>
 <%= text_field_tag 'settings[issues_export_limit]', Setting.issues_export_limit, :size => 6 %></p>
 </div>
Index: config/settings.yml
===================================================================
--- config/settings.yml	(revision 3078)
+++ config/settings.yml	(working copy)
@@ -170,3 +170,5 @@
   default: 0
 gravatar_default:
   default: ''
+hide_prefixed_projectname_from_issuesubject_on_issuelist:
+  default: 0
Index: config/locales/en.yml
===================================================================
--- config/locales/en.yml	(revision 3078)
+++ config/locales/en.yml	(working copy)
@@ -314,6 +314,7 @@
   setting_password_min_length: Minimum password length
   setting_new_project_user_role_id: Role given to a non-admin user who creates a project
   setting_default_projects_modules: Default enabled modules for new projects
+  setting_hide_prefixed_projectname_from_issuesubject_on_issuelist: Hide the prefixed project name from issue subjects on project-specific issue lists
   
   permission_add_project: Create project
   permission_edit_project: Edit project