/usr/share/ubiquity-slideshow/slides/l10n/pt/ is in ubiquity-slideshow-ubuntustudio 138.
This file is owned by root:root, with mode 0o755.
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/usr/share/ubiquity-slideshow/slides/l10n/pt/00_welcome.html
/usr/share/ubiquity-slideshow/slides/l10n/pt/01_audio.html
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