rlm_sql_postgresql and plus sign

[Michele Petrazzo]

Bjørn Mork wrote:
> look near the top of raddb/sql/postgresql/dialup.conf :
>
> # Safe characters list for sql queries. Everything else is replaced
> # with their mime-encoded equivalents.
> # The default list should be ok
> # safe-characters = "@abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.-_: /"


My fault.
Only for curiosity, these chars are hard-coded inside the sources or in 
other place and loaded at startup?

Thanks,
Michele