Comment 12 for bug 490935

User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.3b) Gecko/20030206
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.3b) Gecko/20030206

Current options are moving to folder, labeling the message, etc. but it would be
nice to be able to modify the subject line of matching messages to visually
separate them. ie. message from <email address hidden> comes in with a subject of "hey"
and the subject line is rewritten to be "[FOO] hey"

Reproducible: Always

Steps to Reproduce:
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