[Rd] alpha transparency doesn't work for lines when xpd=TRUE

Jiaxuan Chen Jiaxuan.Chen at cruk.cam.ac.uk
Mon Apr 16 19:41:29 CEST 2018

Dear R-devel,

I think I've found a bug - the alpha transparency doesn't work when plotting lines with xpd = TRUE.

plot(1:20, col="#1874CD", xpd=T, type="l")

plot(1:20, col="#1874CD50", xpd=F, type="l")

#doesn't work
plot(1:20, col="#1874CD50", xpd=T, type="l")

Thank you.


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