PDF data extraction related

[answerquest]

This is pertaining to extraction of text that is in Unicode Devnagri or other Indian language scripts, from PDFs. Just gathering some links.

• https://bugs.documentfoundation.org/show_bug.cgi?id=66597 : Problems with copying and extracting text from generated PDF, LibreOffice bug tracker
• Tabula (which is a popular opensource pdf to table extractor) issue discussing this
• A patent document filed by Wipro that talks about a solution for this that they might have engineered (haven't read fully for now).