On 2019-11-12 10:03, Norbert Saint Georges nsg@...
[firebird-support] wrote:

> Good morning all,
>
> Is there an exhaustive list of all the words reserved by version of
> firebird (3.x, 4.x) somewhere?
>
> Thank you in advance.

Yes, it is in the doc folder:
https://github.com/FirebirdSQL/firebird/blob/master/doc/sql.extensions/README.keywords