Update app.py

app.py

@@ -449,8 +449,13 @@ with tabs[1]:
 # -------------------------------
 # Diplomatic Edition Tab
 # -------------------------------
+import streamlit as st
+import xml.etree.ElementTree as ET
+
+# Assuming 'tabs' and 'df' are already defined in your Streamlit app
 with tabs[2]:
     st.subheader("Diplomatic Edition")
+    
     # Select Inscription
     inscription_numbers = df['Number'].tolist()
     selected_inscription_num = st.selectbox("Select Inscription Number", inscription_numbers)
@@ -462,6 +467,36 @@ with tabs[2]:
     inscription_elem = root.find(f".//inscription[@n='{selected_inscription_num}']")
     text_element = inscription_elem.find("Text") if inscription_elem is not None else None
 
+    def render_diplomatic(text_elem):
+        """
+        Transforms the XML Text element into uppercase Greek text with line breaks at <lb> tags.
+        """
+        lines = []
+        current_line = []
+
+        for elem in text_elem.iter():
+            if elem.tag == 'lb':
+                # When encountering an <lb> tag, finalize the current line
+                line_text = ''.join(current_line).strip().upper()
+                if line_text:
+                    lines.append(line_text)
+                current_line = []
+            elif elem.text:
+                # Append text, handling any nested tags
+                current_line.append(elem.text)
+            if elem.tail:
+                # Append tail text after a nested tag
+                current_line.append(elem.tail)
+
+        # Add the last line if exists
+        if current_line:
+            line_text = ''.join(current_line).strip().upper()
+            if line_text:
+                lines.append(line_text)
+
+        # Join all lines with newline characters
+        return '\n'.join(lines)
+
     if text_element is not None:
         diplomatic_text = render_diplomatic(text_element)
         st.code(diplomatic_text, language="plaintext")