message: [transaction builder generator] c++ nits
diff: @@ -85,8 +85,7 @@ where
  fn output_preamble(&mut self) -> Result<()> {
  writeln!(
  self.out,
  - r#"
  -#pragma once
  + r#"#pragma once
  #include "libra_types.hpp"
  "#
  @@ -170,7 +169,7 @@ using namespace libra_types;
  fn quote_doc(doc: &str) -> String {
  let doc = crate::common::prepare_doc_string(doc);
  - textwrap::indent(&doc, "/// ")
  + textwrap::indent(&doc, "/// ").replace("\n\n", "\n///\n")
  }
  fn quote_type_parameters(ty_args: &[TypeArgumentABI]) -> Vec<String> {
  