Update app.py

app.py

@@ -259,6 +259,10 @@ def highlight_issues_in_pdf(file, language_matches: List[Dict[str, Any]]) -> byt
         
         # print(f"Concatenated text length: {concatenated_text} characters.")
 
+        # Find "Abstract" section and set the processing start point
+        abstract_start = concatenated_text.lower().find("abstract")
+        abstract_offset = 0 if abstract_start == -1 else abstract_start
+
         # Find "References" section and exclude from processing
         references_start = concatenated_text.lower().find("references")
         references_offset = len(concatenated_text) if references_start == -1 else references_start
@@ -269,7 +273,7 @@ def highlight_issues_in_pdf(file, language_matches: List[Dict[str, Any]]) -> byt
             length = issue["length"]
 
             # Skip issues in the references section
-            if offset >= references_offset:
+            if offset < abstract_offset or offset >= references_offset:
                 continue