[Lazarus] How to use ExceptProc and application.CaptureExceptions

[Alexander Grau]

dear all,
I have some problems reading xml files.
If I read xml files using ReadXMLFile it works only if I use:
1. procedure ReadXMLFile(out ADoc: TXMLDocument; const AFilename: 
String); overload;
while if I use
2. procedure ReadXMLFile(out ADoc: TXMLDocument; var f: Text); overload;
the program crashes.

I attached two files (acetyl.cml and acetyl2.cml). The second one is 
always read properly, the first one is read properly only if I use 
procedure 1.
In order to reproduce the error just create a new project, put a button 
and two tedit on the form.
In the button1 click put this code:

procedure TForm1.Button1Click(Sender: TObject);
var
   F: TextFile;
   FileName: String;
   XMLMolDoc: TXMLDocument;
   XMLMols: TDOMNodeList;
begin
   FileName:= Edit1.Text;
   //AssignFile(F, FileName);
   //Reset(F);
   //ReadXMLFile(XMLMolDoc, F);
ReadXMLFile(XMLMolDoc, FileName);
   XMLMols:= XMLMolDoc.GetElementsByTagName('molecule');
   edit2.text:= IntToStr(XMLMols.Count);

   //ClosefILE(F);
end;

With this code it works.

While if I put this:

procedure TForm1.Button1Click(Sender: TObject);
var
   F: TextFile;
   FileName: String;
   XMLMolDoc: TXMLDocument;
   XMLMols: TDOMNodeList;
begin
   FileName:= Edit1.Text;
   AssignFile(F, FileName);
   Reset(F);
   ReadXMLFile(XMLMolDoc, F);
   XMLMols:= XMLMolDoc.GetElementsByTagName('molecule');
   edit2.text:= IntToStr(XMLMols.Count);

   ClosefILE(F);
end;

It crashes raising: exception class 'EXMLreaderror' with message:
In 'file:///e:/temp/acetyl.cml' (line 1  pos 21): expected "?>"

Why?
Andrea

-------------- next part --------------
A non-text attachment was scrubbed...
Name: acetyl2.cml
Type: text/xml
Size: 1498 bytes
Desc: not available
URL: <http://lists.lazarus-ide.org/pipermail/lazarus/attachments/20100215/c355e9e1/attachment-0008.xml>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: acetyl.cml
Type: text/xml
Size: 1937 bytes
Desc: not available
URL: <http://lists.lazarus-ide.org/pipermail/lazarus/attachments/20100215/c355e9e1/attachment-0009.xml>