external URI, e.g. ,
A class which can represent any node which points to an
external URI, e.g. , ,
Go back to the beginning of the attribute list.
Return the next rewritable URI.
Go back to the beginning of the attribute list
| aOldPat | Old pattern to be replaced, e.g. file:///a/b/ |
| aNewPat | New pattern to be replaced, e.g. http://mypage.aol.com/ |
| aMakeRel | Rewrite links as relative vs. absolute |