$comp_uri = makeComposeLink('src/compose.php' . $url_str, $mailto_before);
replaceBlock($body, $comp_uri, $target_pos - 7, $target_pos + strlen($regs[0]));
$target_pos += strlen($comp_uri) - 7;
$comp_uri = makeComposeLink('src/compose.php' . $url_str, $mailto_before);
replaceBlock($body, $comp_uri, $target_pos - 7, $target_pos + strlen($regs[0]));
$target_pos += strlen($comp_uri) - 7;