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diff --git a/docs/spec/system.html b/docs/spec/system.html index fead3b97..4a028f92 100644 --- a/docs/spec/system.html +++ b/docs/spec/system.html @@ -7,6 +7,7 @@ <h1 id="specification-bqn-system-provided-values">Specification: BQN system-provided values</h1> <p>This portion of the spec is definitely still a draft.</p> <p>The <code><span class='Value'>•</span></code> symbol is used to access values other than primitives provided by BQN.</p> +<p>All system values described in the BQN specification are optional: an implementation does not have to include any of them. However, if a system value with one of the names given below is included, then it must have the specified behavior.</p> <h2 id="scripts">Scripts</h2> <table> <thead> |