public void OptimizeForSave(EquationRoot root)
{
mapping.Clear();
List <TextFormat> newList = new List <TextFormat>();
HashSet <int> usedOnes = root.GetUsedTextFormats();
foreach (int i in usedOnes)
{
TextFormat tf = formattingList[i];
tf.Index = newList.Count;
newList.Add(tf);
mapping.Add(i, tf.Index);
}
root.ResetTextFormats(mapping);
formattingListBeforeSave = formattingList;
formattingList = newList;
}
