Update rust_highlight/src/lib.rs

rust_highlight/src/lib.rs

@@ -431,8 +431,7 @@ fn render_frame(
     let mut img = Mat::new_rows_cols_with_default(height, width, CV_8UC3, bg_color)
         .map_err(|e| pyo3::exceptions::PyRuntimeError::new_err(format!("Failed to create Mat: {}", e)))?;
 
-    let lines: Vec<&str> = visible_text.split('
-').collect();
+    let lines: Vec<&str> = visible_text.split('\n').collect();
     for (idx, &line) in lines.iter().enumerate() {
         let is_header = line_styles[idx];
         let font_scale = if is_header { header_font_scale } else { default_font_scale };