anchor.diff:    private
       class function IsHeaderOfChar(const S: UnicodeString; ch: WideChar): boolean;
       class function IsHeaderLine(const S: UnicodeString): boolean;
  -    class function GetLevel(ch: WideChar): integer;
  +    class function GetLevel(NewChar, PrevChar: WideChar): integer;
     public
       class procedure GetHeaders(Ed: TATSynEdit; Data: TATTreeHelperRecords);
     end;
   
   implementation
  +
  +const
  +  cHeaderChars: UnicodeString = '-=\''"`:^~_*+#<>';
   
   class function TTreeHelperRest.IsHeaderOfChar(const S: UnicodeString; ch: WideChar): boolean;
   var
  
positive.code:         DataItem.Y1:= iLine-1;
          DataItem.X2:= 0;
          DataItem.Y2:= iLine;
          DataItem.Level:= GetLevel(S[1]);
          DataItem.Title:= St.Lines[iLine-1];
          DataItem.Icon:= -1;
          Data.Add(DataItem)
  
negative.code:   DataItem: TATTreeHelperRecord;
    St: TATStrings;
    S: UnicodeString;
    PrevHeaderChar, NewHeaderChar: WideChar;
    NLen, iLine: integer;
  begin
    Data.Clear;
    PrevHeaderChar:= #0;
    NewHeaderChar:= #0;
    St:= Ed.Strings;
    for iLine:= 1{not 0} to St.Count-1 do
    begin
  