Update app.py

app.py

@@ -14,6 +14,13 @@ def progress_callback(progress):
     status_text.text(f"Phase: {progress.phase.value}, Page {progress.current_page}/{progress.total_pages}\n"
                      f"Progress: {progress.percentage:.1f}%, Message: {progress.message}")
 
+def format_markdown_for_preview(markdown_text):
+    """Format markdown text for proper preview display"""
+    # Ensure newlines are preserved by adding two spaces at the end of each line
+    lines = markdown_text.split('\n')
+    formatted_lines = [line + '  ' if line.strip() else line for line in lines]
+    return '\n'.join(formatted_lines)
+
 # File upload
 uploaded_file = st.file_uploader("Select a PDF file", type=['pdf'])
 
@@ -51,6 +58,8 @@ if uploaded_file is not None:
 
             # Display results
             st.success("Conversion completed successfully!")
+            
+            # Raw markdown download
             st.download_button(
                 label="Download Markdown File",
                 data=markdown_content,
@@ -58,8 +67,18 @@ if uploaded_file is not None:
                 mime="text/markdown"
             )
             
+            # Preview with proper formatting
             st.subheader("Preview")
-            st.markdown(markdown_content)
+            
+            # Create tabs for different preview modes
+            preview_tab, raw_tab = st.tabs(["Formatted Preview", "Raw Markdown"])
+            
+            with preview_tab:
+                formatted_content = format_markdown_for_preview(markdown_content)
+                st.markdown(formatted_content)
+            
+            with raw_tab:
+                st.code(markdown_content, language="markdown")
 
         except Exception as e:
             st.error(f"An error occurred: {str(e)}")