From fc9ed821ffdcdd5abf8012e72deb354d9f6a914e Mon Sep 17 00:00:00 2001
From: Javier Arias <javier@jarias.org>
Date: Wed, 5 Apr 2023 10:38:11 +0100
Subject: [PATCH] Fix encoding problem

---
 src/field/mod.rs | 18 ++++++++----------
 src/lib.rs       |  5 ++++-
 2 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/src/field/mod.rs b/src/field/mod.rs
index a16c321..d48af68 100644
--- a/src/field/mod.rs
+++ b/src/field/mod.rs
@@ -59,16 +59,14 @@ impl fmt::Display for Field<'_> {
             }
             _ => {
                 // variable data field
-                self.get_data::<[u8]>()
-                    .iter()
-                    .map(|&b| {
-                        if b == SUBFIELD_DELIMITER {
-                            '$'
-                        } else {
-                            b as char
-                        }
-                    })
-                    .collect::<String>()
+                String::from_utf8_lossy(
+                    &self
+                        .get_data::<[u8]>()
+                        .iter()
+                        .map(|b| if *b == SUBFIELD_DELIMITER { 36 } else { *b })
+                        .collect::<Vec<u8>>(),
+                )
+                .to_string()
             }
         };
         write!(f, "{}  {}", tag, field_data)
diff --git a/src/lib.rs b/src/lib.rs
index 2eaaa53..3d182c5 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1165,6 +1165,9 @@ mod tests {
             builder
                 .add_fields(fields!(
                     data fields: [
+                        b"264", b" 1", [
+                            b'a' => "León, Spain",
+                        ],
                         b"245", b"00", [
                             b'a' => "Book title",
                             b'b' => "Book Subtitle",
@@ -1184,7 +1187,7 @@ mod tests {
                 .unwrap();
             let record = builder.get_record().unwrap();
 
-            let expected = "=LDR  00191nam  2200085 i 4500\n=001  000000001\n=008  210128t20212021enka\\\\\\\\sb\\\\\\\\000\\0\\eng\\d\n=041  0 $aeng\n=100  1 $aAuthor Name\n=245  00$aBook title$bBook Subtitle\n".to_string();
+            let expected = "=LDR  00220nam  2200097 i 4500\n=001  000000001\n=008  210128t20212021enka\\\\\\\\sb\\\\\\\\000\\0\\eng\\d\n=041  0 $aeng\n=100  1 $aAuthor Name\n=245  00$aBook title$bBook Subtitle\n=264   1$aLeón, Spain\n".to_string();
 
             assert_eq!(format!("{}", record), expected);
         }