diff --git a/README.md b/README.md
index 0909c3ff..2736bc21 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 ![build](https://github.com/JKatzwinkel/tla-web/workflows/build/badge.svg)
 ![deploy](https://github.com/JKatzwinkel/tla-web/workflows/deploy/badge.svg)
-![LINE](https://img.shields.io/badge/line--coverage-90.99%25-brightgreen.svg)
-![METHOD](https://img.shields.io/badge/method--coverage-91.33%25-brightgreen.svg)
+![LINE](https://img.shields.io/badge/line--coverage-91.00%25-brightgreen.svg)
+![METHOD](https://img.shields.io/badge/method--coverage-92.46%25-brightgreen.svg)
 
 TLA web frontend.
 
diff --git a/src/main/java/tla/web/model/Annotation.java b/src/main/java/tla/web/model/Annotation.java
index cfc48fde..063aa0ab 100644
--- a/src/main/java/tla/web/model/Annotation.java
+++ b/src/main/java/tla/web/model/Annotation.java
@@ -1,7 +1,6 @@
 package tla.web.model;
 
 import java.util.Collection;
-import java.util.Collections;
 import java.util.List;
 
 import lombok.AccessLevel;
@@ -41,11 +40,11 @@ public String getName() {
      * Escapes markup.
      */
     public String getBody() {
+        if (this.body == null) {
+            this.body = this.extractBody();
+        }
         return Util.escapeMarkup(
-            String.join(
-                "\n\n",
-                this.body != null ? this.body : this.extractBody()
-            )
+            String.join("\n\n", this.body)
         );
     }
 
@@ -53,23 +52,24 @@ public String getBody() {
      * Try to extract text content from <code>"annotation.lemma"</code> nodes in the annotation's passport.
      */
     private Collection<String> extractBody() {
-        if (this.getPassport() != null) {
-            List<Passport> nodes = this.getPassport().extractProperty(
-                "annotation.lemma"
-            );
-            if (nodes != null) {
-                return nodes.stream().filter(
-                    node -> {
-                        return !node.isEmpty() && !node.getLeafNodeValue().isBlank();
-                    }
-                ).map(
-                    Passport::getLeafNodeValue
-                ).map(
-                    String::trim
-                ).toList();
-            }
+        if (this.getPassport() == null) {
+            return List.of();
         }
-        return Collections.emptyList();
+        List<Passport> nodes = this.getPassport().extractProperty(
+            "annotation.lemma"
+        );
+        if (nodes == null) {
+            return List.of();
+        }
+        return nodes.stream().filter(
+            node -> {
+                return !node.isEmpty() && !node.getLeafNodeValue().isBlank();
+            }
+        ).map(
+            Passport::getLeafNodeValue
+        ).map(
+            String::trim
+        ).toList();
     }
 
 }
\ No newline at end of file
diff --git a/src/main/java/tla/web/model/Sentence.java b/src/main/java/tla/web/model/Sentence.java
index 37007031..4f80d8a0 100644
--- a/src/main/java/tla/web/model/Sentence.java
+++ b/src/main/java/tla/web/model/Sentence.java
@@ -36,7 +36,7 @@ public class Sentence extends TLAObject implements Hierarchic {
 
     private Transcription transcription;
 
-    private Text text;
+    private Text text = Text.EMPTY;
 
     @Singular
     private SortedMap<Language, List<String>> translations;
@@ -51,20 +51,20 @@ public boolean hasGlyphs() {
     }
 
     public String getName() {
-        return this.getText() != null ? this.getText().getName() : null;
+        return this.getText().getName();
     }
 
     public String reviewState() {
-        return this.getText() != null ? this.getText().getReviewState() : "published";
+        return this.getText().getReviewState();
     }
 
     public EditorInfo getEdited() {
-        return this.getText() != null ? this.getText().getEdited() : null;
+        return this.getText().getEdited();
     }
 
     @Override
     public List<ObjectPath> getPaths() {
-        return this.getText() != null ? this.getText().getPaths() : null;
+        return this.getText().getPaths();
     }
 
 }
diff --git a/src/main/java/tla/web/model/Text.java b/src/main/java/tla/web/model/Text.java
index 8adba1dd..4f265aad 100644
--- a/src/main/java/tla/web/model/Text.java
+++ b/src/main/java/tla/web/model/Text.java
@@ -16,6 +16,8 @@
 @TLADTO(TextDto.class)
 public class Text extends CorpusObject {
 
+    public static final Text EMPTY = new Text();
+
     private TextDto.WordCount wordCount;
 
 }
diff --git a/src/main/java/tla/web/model/mappings/MappingConfig.java b/src/main/java/tla/web/model/mappings/MappingConfig.java
index 5c3ee30b..55340da4 100644
--- a/src/main/java/tla/web/model/mappings/MappingConfig.java
+++ b/src/main/java/tla/web/model/mappings/MappingConfig.java
@@ -7,7 +7,6 @@
 
 import org.modelmapper.ModelMapper;
 import org.modelmapper.TypeMap;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
@@ -55,7 +54,6 @@ public class MappingConfig {
 
     private ExternalReferencesConverter externalReferencesConverter;
 
-    @Autowired
     public MappingConfig(ExternalReferencesConverter externalReferencesConverter) {
         this.externalReferencesConverter = externalReferencesConverter;
     }
diff --git a/src/main/java/tla/web/model/parts/Transcription.java b/src/main/java/tla/web/model/parts/Transcription.java
index aad2a291..a1f87c39 100644
--- a/src/main/java/tla/web/model/parts/Transcription.java
+++ b/src/main/java/tla/web/model/parts/Transcription.java
@@ -2,13 +2,11 @@
 
 import lombok.Getter;
 import lombok.AllArgsConstructor;
-import lombok.Builder;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
 
 @Getter
 @Setter
-@Builder
 @NoArgsConstructor
 @AllArgsConstructor
 public class Transcription {