line breaks in text attachments

Hello

I am experiencing problems with line breaks in text attachments. I wrote 
a sample program to demonstrate this problem:

=========================================================
/**
  * Based on compose-msg.c
  */

#include <stdlib.h>
#include <string.h>

#include <libetpan/libetpan.h>

struct mailimf_fields * build_fields() {
     const char * subject            = "line breaks";

     struct mailimf_mailbox_list * from = mailimf_mailbox_list_new_empty();
     struct mailimf_address_list * to = mailimf_address_list_new_empty();

     mailimf_mailbox_list_add_parse(from, "DINH Viet Hoa 
<[email protected]>");
     mailimf_address_list_add_parse(to, "Paul <claws-0/[email protected]>");

     struct mailimf_fields * new_fields = mailimf_fields_new_with_data(from,
         NULL, NULL, to, NULL, NULL, NULL, NULL, strdup(subject));
     return new_fields;
}

int main(int argc, char ** argv) {
     const char * attachmentFilename = "file-1.txt";
     const char * sampleText1        = "ab\ncd";
     const char * sampleText1Charset = "iso-8859-1";
     const int    sampleText1Length  = strlen(sampleText1);

     printf("Sample text length is: %d\n", sampleText1Length);
     printf("Sample text is: %s\n", sampleText1);

     // start the message
     struct mailimf_fields * fields = build_fields();
     struct mailmime * message = mailmime_new_message_data(NULL);
     mailmime_set_imf_fields(message, fields);

     // build attachment
     struct mailmime_fields * mime_fields = 
mailmime_fields_new_filename(MAILMIME_DISPOSITION_TYPE_ATTACHMENT, 
strdup(attachmentFilename), MAILMIME_MECHANISM_QUOTED_PRINTABLE);
     struct mailmime_content * mime_content = 
mailmime_content_new_with_str("text/plain");
     struct mailmime_parameter * mime_param = 
mailmime_param_new_with_data("charset", strdup(sampleText1Charset));
     clist_append(mime_content->ct_parameters, mime_param);

     struct mailmime * mime_sub = mailmime_new_empty(mime_content, 
mime_fields);
     mailmime_set_body_text(mime_sub, strdup(sampleText1), 
sampleText1Length);

     // add attachment to the message
     mailmime_smart_add_part(message, mime_sub);

     // write the message out
     printf("==== Printing the message:\n\n");
     int col = 0;
     mailmime_write(stdout, &col, message);
     mailmime_free(message);
     printf("#DONE\n");

     return 0;
}
=========================================================

The output of this program on my computer is:

=========================================================
Sample text length is: 5
Sample text is: ab
cd
==== Printing the message:

Date: Sat, 10 Nov 2007 10:57:56 +0100
From: DINH Viet Hoa <[email protected]>
To: Paul <claws-0/[email protected]>
Message-ID: <etPan.473580a4.6b8b4567.2ecb@thinkpad>
Subject: line breaks
MIME-Version: 1.0
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
Content-Disposition: attachment; filename="file-1.txt"

ab
#DONE
=========================================================

It seems that the last line is cut out.

When using "sample text\nwith\nseveral\nlines." as a sample text, the 
last line is being cut also.

With different encodings like utf-8 the problem was the same.

Am I doing anything wrong, or is this a bug?

Thanks.

STF

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