JNG(5) File Formats Manual JNG(5) (NAME) jng - JPEG (JNG) (DESCRIPTION) JNG ( JPEG Network Graphics) MNG ( Multiple-image Network Graphics) . MNG PNG ( Portable Network Graphics) . (lossy) . JPEG JPEG . (Network Graphics) JNG JPEG . (SEE ALSO) png(5), mng(5), libmng(3) 1.00 MNG ( ): http://www.libpng.org/pub/mng (AUTHORS) : Gerard Juyn 1.00 (MNG) ( ): Glenn Randers-Pehrson (png-list@ccrc.wustl.edu). (COPYRIGHT NOTICE) MNG-1.00 (c) - Glenn Randers-Pehrson . . July 26, 2000 JNG(5)