On May 26, 2012, at 10:49 PM, Aditya Mahajan wrote: using the inbuilt library is definely simpler! Yes, but as you said earlier, you'll still have to do something about GIFs. It would be nice if luatex had at worst a non-fatal error on scanning a non-supported file. Michael ________________________________ This e-mail message (including any attachments) is for the sole use of the intended recipient(s) and may contain confidential and privileged information. If the reader of this message is not the intended recipient, you are hereby notified that any dissemination, distribution or copying of this message (including any attachments) is strictly prohibited. If you have received this message in error, please contact the sender by reply e-mail message and destroy all copies of the original message (including attachments).