ARCH_E1 Paper Size

[mbrown-dlb]

The application supports all of the ARCH paper sizes except for ARCH_E1 (aka Arch 5). Seeing as Arch 1-4 and 6 are supported is there any reason why 5 can't be added?

https://www.archtoolbox.com/paper-sizes/

ARCH_E1 is 30 inches x 42 inches (762 mm x 1067 mm)