Changelog:
1.5.0
Added Save As action and dialog for saving the differences to a PDF file.
1.3.0
Added support for -a, --appearance, -t, --text command line options to
set the initial comparison mode.
1.2.3
Added a mention of comparepdf in the About box.
Changelog:
1.2.2
Tiny change in how command line arguments are handled. This should make
things work with both English and non-English locales on Windows.
1.2.1
Minor improvement with focus control for Previous and Next buttons.
Acknowledged Steven Lee for building Windows binaries and Dirk Loss for
building Mac OS X binaries in the About box.
1.2.0
Got rid of old text comparison mode.
Various small user interface improvements.
Fixed a subtle bug that meant the combine text highlighting setting
wasn't saved and restored correctly.
