I think the editor I use (CLion) only has settings for either tabs or spaces as leading whitespace. As far as I can tell indentation and alignment are not really distinguished?
See:
https://www.jetbrains.com/help/clion/ch ... ation.html
(So my expectation is that a mixed scheme will not be obeyed by the automatic code formatting features of the editor...)
Oh no, my bad, I think I found the setting (Smart Tabs):
https://www.jetbrains.com/help/clion/co ... e-c-c.html
And I also read Norbert's document about the pros and cons of tabs versus spaces just now, which the topic of the thread you linked to in the opening post. Interesting stuff. I don't think I realized before that there are sensible in-between options for the tabs-versus-spaces problem