remove leading plus sign

Author: alok1304

src/cluecode/copyrights.py

@@ -429,6 +429,10 @@ def get_tokens(numbered_lines, splitter=re.compile(r'[\t =;]+').split):
             # strip trailing quotes+comma
             if tok.endswith("',"):
                 tok = tok.rstrip("',")
+            
+            # remove leading plus sign
+            if tok.startswith('+'):
+                tok = tok.lstrip('+')    
 
             tok = (
                 tok
@@ -2028,6 +2032,7 @@ def build_detection_from_node(
     # "authors" or "contributors" is interesting, and so a tag of its own
     (r'^[Aa]uthors,$', 'AUTHDOT'),
     (r'^[Aa]uthor$', 'AUTH'),
+    (r'^AUTHOR$', 'AUTH'),
     (r'^[Aa]uthor\.$', 'AUTHDOT'),
     (r'^[Aa]uthors?\.$', 'AUTHDOT'),
     (r'^([Aa]uthors|author\')$', 'AUTHS'),