[
  (struct_definition)
  (macro_definition)
  (function_definition)

  (if_statement)
  (try_statement)
  (for_statement)
  (while_statement)
  (let_statement)
  (quote_statement)

  (do_clause)
  (compound_statement)

  (assignment)

  (binary_expression)
  (call_expression)

  (array_expression)
  (tuple_expression)
  (matrix_expression)
] @indent

[
  "end"
  "("
  ")"
  "["
  "]"
  (else_clause)
  (elseif_clause)
  (catch_clause)
  (finally_clause)
] @branch

[
  (line_comment)
  (block_comment)
] @ignore

