gistfile1.diff

--- trac/ticket/templates/ticket.html  2013-01-31 19:47:40.000000000 -0500
+++ trac/ticket/templates/ticket.html	2013-05-27 12:40:14.000000000 -0400
@@ -326,6 +326,22 @@
                       $controls
                       <span class="hint" py:for="hint in hints">$hint</span>
                   </div>
+
+                <py:for each="field in fields">
+                  <py:choose>
+                    <span py:when="field.cc_entry"><!--! Special case for Cc: field -->
+                      <label for="field-${field.name}" py:if="field"
+                             py:strip="field.type == 'radio'" i18n:msg="field">${
+                        field.edit_label or field.label or field.name}:</label>
+                      <em>${field.cc_entry}</em>
+                      <input type="checkbox" id="field-cc" name="cc_update"
+                        title="This checkbox allows you to add or remove yourself from the CC list."
+                        checked="${field.cc_update}" />
+
+                    </span>
+                </py:choose>
+                </py:for>
+
                 </fieldset>
                 <py:otherwise>
                   <py:for each="key, label, controls, hints in action_controls">
diff -ur ./trac/ticket/web_ui.py /Users/classic/dev/trac/Trac-1.0.1/trac/ticket/web_ui.py
--- trac/ticket/web_ui.py	2013-01-31 19:47:40.000000000 -0500
+++ trac/ticket/web_ui.py	2013-05-27 12:35:43.000000000 -0400
@@ -1203,6 +1203,10 @@
                                    "reporter."))
                 valid = False
             changed.discard('reporter')
+
+            if 'cc' in changed:
+                changed.discard('cc')
+
             if changed and 'TICKET_CHGPROP' not in req.perm(resource):
                 add_warning(req, _("No permission to change ticket fields."))