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Ah. In that case, may I rewrite your critique as
"[...] some lines may end with a semicolon, some lines may not, some assignment signs ("=") permit spaces around them, some don't."
The semicolon is optional, permitted explicitly so you can copy-and-paste the original C variable declarations in and you don't have to go hunting for semicolons. The spaces are permitted on those lines for the same reason; they aren't on the "flag" lines because of how flags are parsed.
I concede that this is inconsistent. If this inconsistency bothers you, I invite you to propose a different (and presumably more consistent) syntax for the DSL. I happen to think the current syntax has a motley "practicality beats purity" charm, but then I would, wouldn't I.