[Varnish] #448: Allow caching with past-date Expires (without cache-control)

[Varnish]

#448: Allow caching with past-date Expires (without cache-control)
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 Reporter:  stonor    |        Owner:  tfheen
     Type:  defect    |       Status:  new   
 Priority:  normal    |    Milestone:        
Component:  varnishd  |      Version:  trunk 
 Severity:  normal    |   Resolution:        
 Keywords:            |  
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Comment (by tfheen):

 You can work around this by setting obj.cacheable to true as well as
 obj.ttl in vcl_fetch.

 The attached patch implements setting obj.cacheable automatically when
 obj.ttl is set.  It might get applied a bit later in the 2.1 cycle.

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Ticket URL: <http://varnish.projects.linpro.no/ticket/448#comment:2>
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