pub fn smodule_deps_open<'a, Pos: SourcePos, MS: STeXModuleStore, Err: FnMut(String, SourceRange<Pos>, DiagnosticLevel)>(
smodule_deps: &mut Environment<'a, Pos, &'a str, STeXToken<Pos>>,
p: &mut LaTeXParser<'a, ParseStr<'a, Pos>, STeXToken<Pos>, Err, STeXParseState<'a, Pos, MS>>,
)