When encountering a package definition that starts (package (inherit other-package))
etc/indent-code.el will indent the rest of the package body to align with the start of (inherit. That seems to be a common idiom, used in roughly half of the instances: guix/gnu/packages$ git grep '(inherit ' | wc -l 905 guix/gnu/packages$ git grep '(inherit ' | grep package | wc -l 425