tex2lyx/preamble.cpp: revert r39962 (the string initialization was already reverted)

[lyx.git] / src / Undo.cpp

diff --git a/src/Undo.cpp b/src/Undo.cpp
index f41716647b7fa0369f555c02c12db425be1f0b52..7928c390966434ce9b6d3f0454f9de26dd749555 100644 (file)
--- a/src/Undo.cpp
+++ b/src/Undo.cpp
@@ -241,6 +241,16 @@ Undo::~Undo()
 }
 
 
+void Undo::clear()
+{
+       d->undostack_.clear();
+       d->redostack_.clear();
+       d->undo_finished_ = true;
+       d->group_id = 0;
+       d->group_level = 0;
+}
+
+
 bool Undo::hasUndoStack() const
 {
        return !d->undostack_.empty();