cimg tag with format="jpeg" and jpeg-progressive="0" creates progressive JPEGs
Imported from http://bugzilla.roxen.com/bugzilla/show_bug.cgi?id=3636
Reported by Arjan van Staalduijnen, RTL iMedia arjanvanstaalduijnen@rtlimedia.nl
It appears the cimg tag creates progressive JPEGs, when the jpeg- progressive parameter is explicitly set to "0".
This image has been explicitly generated with parameters format="jpeg" jpeg-quality="92" jpeg-optimize="1" jpeg-progressive="0" dither="floyd-steinberg"
http://www.rtl.nl/_internal/cimg!0/5apsxizgnaltae2jh6l.jpeg
Roxen webserver 2.4.103release1 with modifications Pike 7.2.539 on Linux