I was able to update to the version '0.5.3+qit', thanks for all.
Here are my experiences:
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sudo apt-get upgrade
sudo apt-get install apt-file
sudo apt-file update
sudo apt-file search apt-add-repository
sudo apt-get install -y software-properties-common
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And, I edited the file '/etc/apt/source.list',
add the new line on the bottom of file.
(It is a site when you live in Japan.)
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deb
http://ftp.jp.debian.org/debian sid main navit
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And, I execute below command.
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sudo apt-get update
sudo apt-get install navit
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The above is all that I have done.
If there are any concerns, please point out.