chaining serializer calls

hi,

when i was using XmlSerializer i have realized it would be very handy to
be able to chain serialization calls by returning this XmlSerializer instance
from all void serialization calls, ex:

 ser.startTag("", "foo");
 ser.text("test");
 ser.endTag("", "foo");

would could be written as:

 ser.startTag("", "foo").text("test").endTag("", "foo");

what do you think about it?

thanks,

alek