openproject/app/views/issues/_history.rhtml

<% for journal in journals %>
  <%= render_journal issue, journal, :edit_permission => :edit_issue_notes,
      :edit_own_permission => :edit_own_issue_notes %>
  <%= call_hook(:view_issues_history_journal_bottom, { :journal => journal }) %>
<% end %>

<% heads_for_wiki_formatter if User.current.allowed_to?(:edit_issue_notes, issue.project) || User.current.allowed_to?(:edit_own_issue_notes, issue.project) %>