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| modifier | 
referents-not-allowed | 
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Syntax
with referents-not-allowed (with open-modifier (& open-modifier))+ | with open-modifier)*
This open modifier is the default for most streams. It does not allow referents to be attached to the stream, and any attempt to write a referent to the stream is a fatal error, regardless of whether the referent has a current value.
The only streams for which this modifier is not the default are:
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Related Syntax | 
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