Remove 'now'

Doc/tut/tut.tex

@@ -4160,7 +4160,7 @@ not clear that these semantics are in any way useful.
 
 There is limited support for class-private
 identifiers.  Any identifier of the form \code{__spam} (at least two
-leading underscores, at most one trailing underscore) is now textually
+leading underscores, at most one trailing underscore) is textually
 replaced with \code{_classname__spam}, where \code{classname} is the
 current class name with leading underscore(s) stripped.  This mangling
 is done without regard of the syntactic position of the identifier, so