[Seaside] a <sameAs:> DNU from : ZnMessage>>isConnectionClose

[lb]

Hi,
my website always receives a sameAs: DNU from :
ZnMessage>>isConnectionClose
 | value |
 value := self headers at: 'Connection' ifAbsent: [ ^ false ].
 ^ value sameAs: 'close'

value is an Array like #('close' 'close').

I fix like this to avoid receiving DNU message.
isConnectionClose
 | value |
 value := self headers at: 'Connection' ifAbsent: [ ^ false ].
 value isArray ifTrue: [^ (value at: 1) sameAs: 'close'].
 value isString ifTrue: [^ value sameAs: 'close'].
 ^false
I can not confirm that fix is correct.
Liang
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