/usr/share/doc/libhtree-ruby1.9.1/html/classes/HTree/Node.src/ is in libhtree-ruby1.9.1 0.7-5.
This file is owned by root:root, with mode 0o755.
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/usr/share/doc/libhtree-ruby1.9.1/html/classes/HTree/Node.src/M000021.html
/usr/share/doc/libhtree-ruby1.9.1/html/classes/HTree/Node.src/M000022.html
/usr/share/doc/libhtree-ruby1.9.1/html/classes/HTree/Node.src/M000023.html
/usr/share/doc/libhtree-ruby1.9.1/html/classes/HTree/Node.src/M000024.html
/usr/share/doc/libhtree-ruby1.9.1/html/classes/HTree/Node.src/M000025.html
/usr/share/doc/libhtree-ruby1.9.1/html/classes/HTree/Node.src/M000026.html
/usr/share/doc/libhtree-ruby1.9.1/html/classes/HTree/Node.src/M000027.html
/usr/share/doc/libhtree-ruby1.9.1/html/classes/HTree/Node.src/M000028.html
/usr/share/doc/libhtree-ruby1.9.1/html/classes/HTree/Node.src/M000029.html