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INPE General Regulations

INPE's General Regulations 2024 (approved on 09/04/2023) in searchable PDF format:

The original PDF file containing INPE's General Regulations 2024 has an annoying problem that is not searchable and is not possible to select text. What I used to fix it was:

$ pdfsandwich -lang por <in.pdf> -o <out.pdf>
$ gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.7 -q -o <out.pdf> <in.pdf>
$ ocrmypdf -l=por -s -O=3 --jbig2-lossy --output-type=pdf <in.pdf> <out.pdf>
$ qpdf --linearize <in.pdf> <out.pdf>

Zotero

I use Zotero in my daily life to do my research. Zotero is a free and open source reference manager for bibliographic data and research materials. It features integration with web browsers, word processors, Google Docs, generation of in-text citations, footnotes and bibliographies, and has a built-in PDF reader with annotation capabilities. It was originally created at the Center for History and New Media at George Mason University.