Compilation errors (no HTML, I think)

I omitted the additional type and the first compilation error has been removed. Now I have two additional compilation errors. My code is:

program Ex1 (input, output);

type NumNode = record Value: integer; pNext: ^ NumNode; end;

nNumber = record DigitsAmount: integer; DigitValue:^ NumNode; MSD: integer; DigitBase: integer; end;

function nNumberIsEmpty (Num: nNumber): boolean; begin nNumberIsEmpty := (Num.DigitValue=0); end;

function nNumberPop (var Number: nNumber): integer; var pNextValue:^ NumNode; begin if (nNumberIsEmpty(Number)) then nNumberPop:=0; else begin

Number.DigitsAmount:=Number.DigitsAmount-1; pNextValue := Number.DigitValue^.pNext; dispose (Number.DigitValue); Number.DigitValue:=pNextValue; if (Number.DigitsAmount=0) then begin Number.MSD:=0; nNumberPop:=0; end else begin

nNumberPop:=pNextValue^.Value; end; end; end;

function nString2nList (String:^ char; var Number:nNumber;):boolean; begin end;

begin writeln ('Hello world'); end.

The errors I get:

ex1.pas: In function 'Nnumberisempty': ex1.pas:17: invalid operands to binary = ex1.pas: At top level: ex1.pas:44: parse error before '^'

What causes these errors?

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