pub fn smodule_deps_close<'a, Pos: StringPosition, MS: STeXModuleStore>(
smodule_deps: Environment<'a, Pos, STeXToken<Pos>>,
p: &mut LaTeXParser<'a, Pos, STeXToken<Pos>, STeXParseState<'a, Pos, MS>>,
) -> EnvironmentResult<'a, Pos, STeXToken<Pos>>