support line termination ($$) as immediate editing command + some fixes

 * separate function for immediate editing command processing
 * undo.clear() to remove and free all undo tokens without executing them
 * goto_table_clear() to remove and free all goto table entries

1 files changed, 6 insertions, 0 deletions

diff --git a/goto.cpp b/goto.cpp
index 3785076..f4d9497 100644
--- a/goto.cpp
+++ b/goto.cpp
@@ -160,6 +160,12 @@ public:
 
 static GotoTable table;
 
+void
+goto_table_clear(void)
+{
+	table.clear();
+}
+
 StateLabel::StateLabel() : State()
 {
 	transitions['\0'] = this;