anchor.diff:      c.SetDeleteValue(path+cHistory_FontScale, Ed.OptScaleFont, 0);
   
     if UiOps.HistoryItems[ahhFolding] then
  -    c.SetDeleteValue(path+cHistory_Fold, Ed.FoldingAsString, '');
  +    c.SetDeleteValue(path+cHistory_FoldedRanges, Ed.FoldingAsString, '');
   
     if UiOps.HistoryItems[ahhTabColor] then
     begin
  
positive.code:   Ed.OptScaleFont:= c.GetValue(path+cHistory_FontScale, 0);
  
    if Assigned(Lexer[Ed]) then
      Ed.FoldingAsStringTodo:= c.GetValue(path+cHistory_Fold, '');
  
    nTop:= c.GetValue(path+cHistory_TopLine, 0);
    if nTop>0 then
  
negative.code:   cHistory_TabColor    = '/color';
    cHistory_Bookmark    = '/bm';
    cHistory_BookmarkKind = '/bm_kind';
    cHistory_FoldedRanges = '/folded';
    cHistory_CodeTreeFilter = '/codetree_filter';
    cHistory_CodeTreeFilters = '/codetree_filters';
    cHistory_TabSplit    = '/split';
  