commit fbe8901dcf2651c1e8670191476f49ffe2e7e597
Author: Alex Dergachev <alex@evolvingweb.ca>
Date:   Sun Oct 23 22:39:23 2011 -0400

    core hack to add "Clone as subtask" link next to subtask Add link; refs #5849

diff --git a/app/views/issues/show.rhtml b/app/views/issues/show.rhtml
index b8fffa0..5d1f2e8 100644
--- a/app/views/issues/show.rhtml
+++ b/app/views/issues/show.rhtml
@@ -85,6 +85,7 @@
 <div id="issue_tree">
 <div class="contextual">
   <%= link_to(l(:button_add), {:controller => 'issues', :action => 'new', :project_id => @project, :issue => {:parent_issue_id => @issue}}) if User.current.allowed_to?(:manage_subtasks, @project) %>
+  <%= link_to("Clone", {:controller => 'issues', :action => 'new', :project_id => @project, :copy_from => @issue.id, :issue => {:parent_issue_id => @issue}}) if User.current.allowed_to?(:manage_subtasks, @project) %>
 </div>
 <p><strong><%=l(:label_subtask_plural)%></strong></p>
 <%= render_descendants_tree(@issue) unless @issue.leaf? %>