For some small macros I'm writing I would need to change the font size relative to the font size of the text that surrounds to macro later on.
I only know how to change the font size for the whole document (documentclass/fontspec), or for some text, but only relative to the default font size for the document (\Large, \small).
What I was thinking of was something like:
\newcommand*\mycommand{\smaller ipsum}
\Large lorem \mycommand
\small lorem \mycommand
If I use \Large, \small etc in the command itself, it will not care about the font size of the surrounding text but set the font size relative to the default font size. I would want it to be e.g. 1.2 times smaller than \Large or \small, depending on where it is used.