changed underscore to have symbol syntax

Misc/python-mode.el

@@ -339,7 +339,7 @@ Currently-active file is at the head of the list.")
 	    ( ?\* . "." ) ( ?\+ . "." ) ( ?\- . "." )
 	    ( ?\/ . "." ) ( ?\< . "." ) ( ?\= . "." )
 	    ( ?\> . "." ) ( ?\| . "." )
-	    ( ?\_ . "w" )	; underscore is legit in names
+	    ( ?\_ . "_" )	; underscore is legit in symbols, but not words
 	    ( ?\' . "\"")	; single quote is string quote
 	    ( ?\" . "\"" )	; double quote is string quote too
 	    ( ?\` . "$")	; backquote is open and close paren