Spaces or tabs have the same width within a font. Indentation at would work the same. You could even use tabs to line stuff up. Plan 9 uses a variable width fo

Spaces or tabs have the same width within a font. Indentation at would work the same. You could even use tabs to line stuff up. Plan 9 uses a variable width font for their editor by default, and I never really noticed any significant differences for writing code in it.