Capitalize names of days

Supported on: At least Windows Server 2008 R2 or Windows 7

Registry

HKCU software\policies\microsoft\office\16.0\word\options\assist

Value name: fcapdaynames_48_1

Enabled: fcapdaynames_48_1 = 1

Disabled: fcapdaynames_48_1 = 0

Checks/unchecks the corresponding UI option.