fail to open the modeler on firefox 4 beta 7

What steps will reproduce the problem?
1. open firefox 4 beta 7
2. enter in the address bar: http://localhost:8080/activiti-modeler
3. choose a process definition and double-click it

What is the expected output? 
A visual editor is opened showing the process graph and BPMN 2 control and 
attribute palette 

What do you see instead?

XML Parsing Error: mismatched tag. Expected: </meta>.
Location: 
http://localhost:8080/activiti-modeler/p/editor?id=root-directory%3Bexamples%3BF
inancialReportProcess%3BFinancialReportProcess.signavio.xml
Line Number 30, Column 4:   </head>
----------^

What version of the product are you using? 

activiti-5.0.rc1 + 

signavio-core-components(
Repository Root: http://signavio-core-components.googlecode.com/svn
Repository UUID: ed087902-8a0d-0a71-2a74-18b522bb7755
Revision: 40
Node Kind: directory
Schedule: normal
Last Changed Author: nicolas.peters@signavio.com
Last Changed Rev: 40
Last Changed Date: 2010-11-18 03:30:02 +0800 (Thu, 18 Nov 2010)
)

On what operating system?
Mac OS X 10.6.5

Please provide any additional information below.

Original issue reported on code.google.com by longhong...@gmail.com on 18 Nov 2010 at 12:38

Attachments:

some-errors-modeler-shown-in-browsers.zip

fanqi / signavio-core-components

fail to open the modeler on firefox 4 beta 7 #7