Widening the fence used containment for both kinds of hold, which is right
for a level a path reads and wrong for a sibling a calc reads. A path may
read into anything the level contains; an operand's draw fixes only the value
it renders. So containment rejects a reference to a sibling the operand never
renders, which loads fine today and cannot disagree, and misses a reference
reaching what the operand renders through, which disagreed in 20 of 40 draws.
Also pins the repeated reference arm, the one kind that reaches the repeat
check by passing the per-arm checks rather than falling through them.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
A {calc()} operand is drawn once and held, but only a dotted token's level was
fenced against a second route to it. A {..path} naming the same field renders
it afresh, so the value shown is not the value computed — 47 of 60 renders
disagreed on a five-value operand.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
A dot is already rejected in a category, folder or field name. The token
grammar reserves three more characters: '|' separates a token's arms, '('
opens a function call, and '}' ends the token. A name carrying one resolves
by dot path and is advertised by List, yet no format can name it.
These pin the rejection, and one accepted case fixes the boundary: ')' on
its own is spellable, so it stays legal.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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