/* append the newline character */
/* TODO add support for -n option to suppress
* the trailing newline */
newline_buf = ngx_calloc_buf(r->pool);
Hah! I asked too soon. Should have read the source :) I'll investigate adding a patch for this.
Posted at Nginx Forum: http://forum.nginx.org/read.php?2,31961,32633#msg-32633