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 README		HOWTO navigate with keystrokes
		between pictures & categories
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 aim			key	description
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 previous picture	⬅	press 'left arrow'
 next picture		➡	press 'right arrow'

 previous category	⬆	press 'up arrow'
 next category		⬇	press 'down arrow'

 main menu		q	press 'home' or 'q'

 small picture		1	press '1'
 medium picture		2	press '2'
 large picture		3	press '3'
 fullscreen		4,f	press '4', 'f' or click on picture 
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