Hi Stefan, I can't reproduce this anymore, this issue can be closed. Thank you! Best regards, Tijs Op wo 12 aug. 2020 om 03:17 schreef Stefan Kangas : > Tijs Mallaerts writes: > > > To reproduce: > > - keep the default theme (of emacs -q) or switch to another theme with a > dark background (f.ex. deeper-blue) > > - switch to the scratch buffer > > - zoom in to +3 > > - hit Return a few times > > > > A slight difference of the background color is visible between the lines > on which Return was hit and the blank lines. The first column has > > a different background color as well. > > > > In GNU Emacs 25.1.2 (x86_64-unknown-linux-gnu, GTK+ Version 3.18.9) > > of 2016-09-17 built on kubuntu > > Windowing system distributor 'The X.Org Foundation', version > 11.0.11803000 > > System Description: Ubuntu 16.04.1 LTS > > I can't reproduce this on current master. Are you still seeing this? > > If I don't hear back from you within a couple of weeks, I'll just > close this bug as unreproducible. > > Best regards, > Stefan Kangas >