ISO 4217 Currency codes for Protocol Buffers ( proto2 / proto3 )
Enums are not compatible between proto2 and proto3. The default is proto3 but you can simply switch syntax = "proto3"
for syntax = "proto2"
if you need to. The rest of the file is compatible with both.
XXX = 999
(No currency) has been changed toXXX = 0
because proto3 requires the default to be 0 and XXX may not be redeclared withXXX = 999
XTS = 963
"Codes specifically reserved for testing purposes" has been commented out by default