Document forward references fixed in EQU.
Document forward references fixed in EQU.

Distrotech/nasm,turingstudio/nasm,techkey/nasm,turingstudio/nasm,techkey/nasm,projedi/nasm,turingstudio/nasm,Distrotech/nasm,techkey/nasm,techkey/nasm,techkey/nasm,Distrotech/nasm,letolabs/nasm,projedi/nasm,Distrotech/nasm,projedi/nasm,letolabs/nasm,turingstudio/nasm,projedi/nasm,letolabs/nasm,projedi/nasm