[Chicken-janitors] #994: http-session's session-del! fails when the entry is the session-item's first binding

[Chicken Trac]

#994: http-session's session-del! fails when the entry is the session-item's
first binding
--------------------------+-------------------------------------------------
 Reporter:  evhan         |       Owner:  mario  
     Type:  defect        |      Status:  new    
 Priority:  minor         |   Milestone:  someday
Component:  extensions    |     Version:  4.8.x  
 Keywords:  http-session  |  
--------------------------+-------------------------------------------------
 session-del! currently fails to remove an entry for the given key when
 that entry is the first item in the pertinent session-item's bindings
 alist (because alist-delete! just returns the alist's cdr when its car is
 to be removed (without set-cdr!ing anything) and the session-item's
 bindings slot is never updated to refer to the new start of the alist).
 The attached patch fixes this.

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Ticket URL: <http://bugs.call-cc.org/ticket/994>
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