1 files changed, 5 insertions, 0 deletions
diff --git a/pygments/lexers/actionscript.py b/pygments/lexers/actionscript.py
index e0ef3516..2a085ef7 100644
--- a/pygments/lexers/actionscript.py
+++ b/pygments/lexers/actionscript.py
@@ -110,6 +110,11 @@ class ActionScriptLexer(RegexLexer):
         ]
     }
 
+    def analyse_text(text):
+        """This is only used to disambiguate between ActionScript and
+        ActionScript3. We return 0 here; the ActionScript3 lexer will match
+        AS3 variable definitions and that will hopefully suffice."""
+        return 0
 
 class ActionScript3Lexer(RegexLexer):
     """