How can I change the background color that backgrounds only some text, in a PDF?

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antinatalism
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Joined: Mon Jan 07, 2019 6:59 am

How can I change the background color that backgrounds only some text, in a PDF?

Post by antinatalism » Mon Jan 07, 2019 7:06 am

With vision difficulties, my grandpa can't read text whenever backgrounded by dark color in the PDF in the screenshot beneath. Please download it from http://www.mediafire.com/file/1iil649lu ... 9.pdf/file, or see some of its pages at https://books.google.com/books?id=WM8oC ... &q&f=false. It's too unproductive to remove each use of the dark background color one-by-one. Thus how can I, in one brisk stroke?

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I've Adobe Acrobat DC Pro, Foxit PhantomPDF, and Nitro Pro. They and SensusAccess converted the PDF to a Word file's that's too deformed. Acrobat states no background to be removed.

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