Greetings!

*** Andrew Chambers [2022-04-14 14:05]:
>Other redo implementations do not seem to create nested target directories
>like this, is this the intended behavior? I wondered if perhaps it only
>meant to create the .redo directory

It was not explicitly intended to do that (to behave like "mkdir -p"),
but you are right that it is just a side-effect of creating .redo
subdirectory with temporary file containing redo-ifcreate dependencies
recorded during the search for .do file. As spacefrogg noticed correctly.

-- 
Sergey Matveev (http://www.stargrave.org/)
OpenPGP: CF60 E89A 5923 1E76 E263  6422 AE1A 8109 E498 57EF