It would be really handy if the API deprecation messages used an identifier, of some sort, that clients can use to 'understand' what these messages are. This doesnt even use the word 'deprecate'/'deprecation'.
- Formatting of continuation data will be changing soon. To continue using the current formatting, use the 'rawcontinue' parameter. To begin using the new format, pass an empty string for 'continue' in the initial query.
Using i18n codes for API warnings should be a high priority, as not everyone can understand English, and clients do not want to show English uncoded warnings to non-English users.