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HISTORY
v1.6.0 - added support for printing out Comments (from COM
markers), Exif format images are now also recognized
(no Exif marker decoding functionality, though).
v1.5 - configuration is now done with GNU autoconf,
program now uses free MD5 algorithm,
added file size as new field on reports,
program now returns exit code 1 if one or more of the jpegs
had any errors, useful for testing if particular jpeg is
ok from shell scripts,
also if you specify -q (--quiet) option twice on
command line, then program won't produce any output.
v1.4 - added support for calculating MD5 checksums.
v1.3 - alternative listing format (-l switch) added.
new column on reports displaying whether jpeg is
progressive or normal (P/N).
new switch -i for printing out even more information
about pictures: coding, density, CCIR601 sampling.
new switch -f for passing filenames to program from
file or stdin.
v1.2 - improved support for other platforms, minor fixes
v1.1.2 - small fixes, improvements to Makefile
v1.1 - modified to use Independent JPEG Group's new v.6a library,
minor fixes.
v1.0 - first public release
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