How to split up giant macros.html into many files without changing interface?

[mw44118]

At the top of my templates, I do something like:

{% import 'macros.html' as m %}

That macros.html file is gigantic. I tried moving some of the macros into other files and then importing them back into macros.html, but that doesn't seem to work. I get an error that my macros.html don't contain the macros I moved out.

Any ideas?