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use crate::syntax::{latex, CstNode};
use super::LatexAnalyzerContext;
pub fn analyze_begin(context: &mut LatexAnalyzerContext, node: &latex::SyntaxNode) -> Option<()> {
let begin = latex::Begin::cast(node)?;
let name = begin.name()?.key()?.to_string();
let extras = &mut context.extras;
extras.environment_names.insert(name.into());
Some(())
}
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