Firefox certificate help dialog gives Gecko XML parse error.

When presented with the "Website Certified by an Unknown Authority" dialog and
then either pressing the "Help" button or "Examine Certificate" -> "Help"
buttons, Firefox returns a dialog containing the following text:

*********************************************
XML Parsing Error: undefined entity
Location: chrome://help/content/help.xul
Line Number 39, Column 24:

label="&viewCustomizeToolbar.label;"

label="&backButton.label;"
*********************************************

This bug was found while using:

In Firefox 1.0 Preview Release
Mozilla/5.0 (X11; U; Linux i686; rv:1.7.3) Gecko20041005
Firefox/0.10.1 (Ubuntu)