Hi Deri, On Thu, 21 Jan 2021 at 18:42, Deri <d...@chuzzlewit.myzen.co.uk> wrote: > > On Thursday, 21 January 2021 11:03:13 GMT Michael Kerrisk (man-pages) wrote: > > > And I mean copy-and-paste not just from PDF but from a terminal window. > > > > Yes, but I have a question: "\-1" renders in PDF as a long dash > > followed by a "1". This looks okay in PDF, but if I copy and paste > > into a terminal, I don't get an ASCII 45. Seems seems to contradict > > what you are saying about cut-and-paste above. What am I missing? > > If I do:- > > echo "- \- \[fi]"|groff -Tpdf | okular - > > I see a hyphen, minus and fi ligature. Copying to a text document gives hyphen > hyphen f i. The reason is because gropdf adds a ToUnicode CMAP entry to fonts > which used the text.enc encoding when created with afmtodit. You can see a > difference if you run:- > > echo "- \- \[fi]"|groff -Tpdf -P-u | okular - > > Which prevents the CMAP entry, and when you copy to text the minus unicode cha > character is seen. (On my system the fi ligature is separated into f i still > but I suspect that is KDE being "helpful").
Thanks! That's a helpful explanation! Cheers, Michael -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/
