[Varnish] #216: String concatenation in functions

[Varnish]

#216: String concatenation in functions
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 Reporter:  teddy     |       Owner:  phk  
     Type:  defect    |      Status:  new  
 Priority:  normal    |   Milestone:       
Component:  varnishd  |     Version:  trunk
 Severity:  normal    |    Keywords:       
----------------------+-----------------------------------------------------
 As according to DES, string concatenation seems to be working only in
 assignments and not in functions.

 An example of when this is wanted:[[BR]]
 purge_hash(req.url "#" req.http.host "#");

 Throws:[[BR]]
 Expected ')' got '"#"',

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Ticket URL: <http://varnish.projects.linpro.no/ticket/216>
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