[xml] xml writing comments

[preethi kumar <pret_23 yahoo co in>]

Hi my requirement is to create a soap based xml file using libxml2,xmltextwriter function. How do I write the first four lines with out the xmltag ?

 

POST /InStock HTTP/1.1

Host: www.example.org

Content-Type: application/soap+xml; charset=utf-8

Content-Length: nnn

<?xml version="1.0"?>

<soap:Envelope

xmlns:soap="http://www.w3.org/2001/12/soap-envelope"

soap:encodingStyle="http://www.w3

 

when i use xmlTextWriterWriteFormatComment if always puts the content inside

 

<!-- -->

 

any help please Thanks