Fix the kill-line, backward-kill-line and kill-whole-line commands to work correctly with multiline editing

darcs-hash:20061012132732-ac50b-03fe641cf32ace645c88174528e849ab0d1ecb4b.gz

kill.h

@@ -9,6 +9,12 @@
 
 #include <wchar.h>
 
+/**
+   Replace the specified string in the killring
+*/
+void kill_replace( wchar_t *old, wchar_t *new );
+
+
 /**
    Add a string to the top of the killring
 */