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Re:An OCR cliche: Into his/her anus (2009) by putlake on Sunday November 04, 2018 @02:37PM (#18377663)
I'd argue this is a feature and not a bug. When copy-pasting text from PDFs, I'd love to not have to deal with unicode and ligatures. There's another comment upthread here where someone's complaining about having to deal with unicode.

If Preview can do this automatically, please don't change that feature.

Re:An OCR cliche: Into his/her anus (2009) by derefr on Sunday November 04, 2018 @03:34PM (#18377946)
I think the GP commentor meant that the ligatures are converted lossfully into an arbitrary substituant character (e.g. fl -> l), rather than that they’re taken apart losslessly.
Re:An OCR cliche: Into his/her anus (2009) by reaperducer on Sunday November 04, 2018 @03:56PM (#18378016)
For clarity, I was describing how in Preview fl -> NULL.

Preview for some reason just drops it entirely.

In Acrobat, fl -> f and l adjacent.