Document case-insensitivity bug.
Document case-insensitivity bug.

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