feat: updates

src/cmd_pgp_card_decrypt.rs

@@ -5,7 +5,7 @@ use openpgp_card::crypto_data::Cryptogram;
 use rust_util::XResult;
 use rust_util::util_clap::{Command, CommandError};
 
-use crate::{cmdutil, pgpcardutil, pinutil};
+use crate::{cmdutil, pgpcardutil, pinutil, util};
 use crate::util::{base64_encode, read_stdin, try_decode};
 
 #[derive(Debug, Clone, Copy)]
@@ -88,7 +88,7 @@ impl Command for CommandImpl {
                 json.insert("text_utf8", text);
             }
 
-            println!("{}", serde_json::to_string_pretty(&json).unwrap());
+            util::print_pretty_json(&json);
         }
         Ok(None)
     }