Prevent zero width/height rectangles from being completely hidden in SVG.
Prevent zero width/height rectangles from being completely hidden in SVG.

Hydrotoast/Compose.jl,glesica/Compose.jl,JuliaPackageMirrors/Compose.jl,tkelman/Compose.jl,darwindarak/Compose.jl,rened/Compose.jl,dcjones/Compose.jl,jiahao/Compose.jl,yuyichao/Compose.jl