(apply_textdelta, window_handler): Rewrite to use svn_txdelta_apply_window, so we can handle arbitrary text deltas now. (handler_baton): New type of handler to encapsulate applicator state. (read_from_file, write_to_file): Helper functions for applicator.
(apply_textdelta, window_handler): Rewrite to use
svn_txdelta_apply_window, so we can handle arbitrary text deltas now.
(handler_baton): New type of handler to encapsulate applicator state.
(read_from_file, write_to_file): Helper functions for applicator.

This change compiles cleanly and is fairly simple, but there is too
much churn in this library right now to test it.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@837396 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion