wrapping pre

app.py

@@ -164,7 +164,7 @@ if st.sidebar.selectbox(label="何以尋跡 How to search",options=["以類尋
                     text = fetch_file(filepath)
                     # create markdown with max heights
                     c.markdown(
-                        f"""<pre style='max-height:300px;overflow-y:auto'>{text}</pre>""", unsafe_allow_html=True
+                        f"""<pre style='white-space:pre-wrap;max-height:300px;overflow-y:auto'>{text}</pre>""", unsafe_allow_html=True
                         )
                     reset_path()