[Varnish] #1856: LostHeader setting req.url to an empty string

[Varnish]

#1856: LostHeader setting req.url to an empty string
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 Reporter:  gdelacroix  |       Owner:
     Type:  defect      |      Status:  needinfo
 Priority:  normal      |   Milestone:
Component:  varnishd    |     Version:  trunk
 Severity:  normal      |  Resolution:
 Keywords:              |
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Comment (by gdelacroix):

 Yes, as I said: ''The issue occurs because the regsub actually removes the
 url when it's just "/".''

 Seems the behavior when removing emptying req.url has changed, but I don't
 know which is expected.

 And anyway, the wiki page example should be updated because, even if it
 doesn't cause trouble before 4.1, it tries to remove the url when it's
 "/".

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Ticket URL: <https://www.varnish-cache.org/trac/ticket/1856#comment:8>
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