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svn:author
V 3
cmt
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svn:date
V 27
2020-10-19T11:09:34.319808Z
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svn:log
V 198
MFH: r552731

mail/thunderbird: update to 78.4.0 (rc1)

Release Notes (soon):
  https://www.thunderbird.net/en-US/thunderbird/78.4.0/releasenotes/

Approved by:	portmgr (blanket: web browser alike)

END