[rbanffy]

No.

All apps designed for Macs by people who actually know what they are doing are resource fork aware, even though resource forks have gone out of fashion.

Like it was said before, resource forks have been around since the first version of the Macintosh (I believe MacOS was called "System" at that time), and it was a rather clever way to keep data such as dialog boxes, message strings and icons out of the executable file while keeping it a single file.