agra c01ece5483 docs(spec): make the count zero-rule context-dependent per consumer (0083) ...

The count description claimed every count must be "positive integral",
which is wrong: zero is context-dependent. Verified at HEAD — an array
dimension (`[0]s64`) and a generic value-param count (`Box(0)`, $N:u32)
both accept zero as a length-0 instantiation, while a `Vector` lane
count stays strictly positive (`Vector(0,f32)` rejected). Negatives are
rejected for array dims and unsigned value-params, but a signed
value-param accepts a negative; only the integral requirement (folds
4.0, rejects 4.5) is common to all three.

Split the count paragraph into per-consumer bullets stating the exact
range each accepts. Range-bound paragraph unchanged. Pin the zero
contrast with examples 0147 (array-dim + value-param zero accepted) and
1505 (Vector zero-lane rejected). No compiler-code change.

2026-06-04 15:32:48 +03:00

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