Mantis 5490: TJclSimpleXml.LoadFromString can't read a string with a byte order mark (BOM).

Author: outchy

jcl/source/common/JclSimpleXml.pas

@@ -1200,7 +1200,7 @@ procedure TJclSimpleXML.LoadFromString(const Value: string);
 var
   Stream: TStringStream;
 begin
-  Stream := TStringStream.Create(Value);
+  Stream := TStringStream.Create(Value {$IFDEF SUPPORTS_UNICODE}, CP_UTF16LE{$ENDIF});
   try
     LoadFromStream(Stream);
   finally

jcl/source/common/JclStreams.pas

@@ -2402,7 +2402,7 @@ function TJclStringStream.InternalSetNextBuffer(S: TStream;
 
 procedure TJclStringStream.InvalidateBuffers;
 begin
-  FStrBufferStart := FStream.Seek(0, soCurrent);
+  FStrBufferStart := FStream.Seek(Length(FBOM), soCurrent);
   FStrBufferNext := FStrBufferStart;
   FStrBufferPosition := 0;
   FStrBufferCurrentSize := 0;