--- file_not_specified_in_diff	
+++ file_not_specified_in_diff	
@@ -731,1 +731,6 @@ 
-                              lines.add(pos,  line);
---
+                if ((hunk.fOldLength) == 0) {
+                    // TODO: the fix (pos + 1 instead of pos) may have some side effects
+                    lines.add(pos + 1,  line);
+                } else {
+                    lines.add(pos,  line);
+                }