diff --git a/lib/src/questions.rs b/lib/src/questions.rs
index ff46b41..f009ba5 100644
--- a/lib/src/questions.rs
+++ b/lib/src/questions.rs
@@ -1,74 +1,88 @@
 use serde_derive::{Deserialize, Serialize};
 
-#[derive(Debug, Default, Clone, Serialize, Deserialize, bincode::Decode, bincode::Encode)]
+#[derive(
+    Debug, Default, Clone, Serialize, Deserialize, bincode::Decode, bincode::Encode, PartialEq,
+)]
 pub struct BatchInfo {
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub filename: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub description: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub author: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub comment: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub url: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub date: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub processed_by: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub redacted_by: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub copyright: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub theme: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub kind: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub source: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub rating: String,
 }
 
-#[derive(Debug, Default, Clone, Serialize, Deserialize, bincode::Decode, bincode::Encode)]
+#[derive(
+    Debug, Default, Clone, Serialize, Deserialize, bincode::Decode, bincode::Encode, PartialEq,
+)]
 pub struct Question {
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "u32_is_zero")]
     pub num: u32,
     pub id: String,
 
     pub description: String,
     pub answer: String,
 
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub author: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub comment: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub comment1: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub tour: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub url: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub date: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub processed_by: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub redacted_by: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub copyright: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub theme: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub kind: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub source: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "String::is_empty")]
     pub rating: String,
-    #[serde(default)]
+    #[serde(default, skip_serializing_if = "BatchInfo::is_default")]
     pub batch_info: BatchInfo,
 }
 
+fn u32_is_zero(num: &u32) -> bool {
+    *num == 0
+}
+
+impl BatchInfo {
+    pub fn is_default(&self) -> bool {
+        *self == BatchInfo::default()
+    }
+}
+
 #[cfg(any(feature = "convert", feature = "convert_async"))]
 pub mod convert_common {
     use super::{BatchInfo, Question};