K 10 svn:author V 5 brian K 8 svn:date V 27 1998-06-25T22:33:31.000000Z K 7 svn:log V 308 Add ``ipcp'' as an optional argument to ``open'', and make open capable of re-negotiatiating the various layers. It is now possible to change various link options and then re-open the relevant layer, making the changes effective - for example, switching off VJ compression or starting ECHO LQRs on-the-fly. END