geany has setting in Edit > Preferences > Editor > Display > Show white space.
I think it should be default. It shows one pixel mark for regular white space, which is hard to see, though. It shows just space for non breaking space. Inverting colors helps a bit.
geany has setting in Edit > Preferences > Editor > Display > Show white space.
I think it should be default. It shows one pixel mark for regular white space, which is hard to see, though. It shows just space for non breaking space. Inverting colors helps a bit.