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delimitation rule #20

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SaitoAtsushi opened this issue Apr 3, 2023 · 1 comment

SaitoAtsushi commented Apr 3, 2023

Atmosphere between expressions is optional on the current specification of Pose.

expressions  = (atmosphere* expression)* atmosphere*

According to this rule, (1a) can be interpreted same as (1 a).
(01) is (0 1).
Is this by design intent or should it be invalid error?

The text was updated successfully, but these errors were encountered:

Collaborator

lassik commented Apr 3, 2023 •

edited

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It's another mistake. It should be something like:

expressions = atmosphere* expression? (atmosphere+ expressions)?

The current grammar is totally ad hoc. It's my fault. We should use some consistent variant of BNF.

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