BUG #5391: coding issues displaying server messages

The following bug has been logged online:

Bug reference: 5391
Logged by: Victor Vargas
Email address: kamusin(at)gmail(dot)com
PostgreSQL version: 8.4
Operating system: Ubuntu Lucid
Description: coding issues displaying server messages
Details:

This report was originally filed at:
https://bugs.edge.launchpad.net/ubuntu/+source/postgresql-8.4/+bug/544114

postgresql-8.4 on Lucid has a i18n coding issues when displays server
messages.

postgresql-8.4 template is fully translated into Spanish in Launchpad:

lucid/+

and the translations are included in the
/usr/share/locale-langpack/es/LC_MESSAGES/postgresql-8.4.mo.

Among others, the error messages about "authentication failed" are fully
translated, as you can see here:

lucid/+

For example, the string:

password authentication failed for user "%s"

is translated into Spanish this way:

la autentificación password falló para el usuario «%s»

However, if I do a mistake during authentication, the server shows the error
message in this way:

ricardo(at)kadath:~$ psql -U ricardo datos
Contraseña para usuario ricardo:
psql: FATAL: la autentificaci?n password fall? para el usuario
<<ricardo>>

Please, note:

1. The ó char is replaced by ?.
2. The « and » chars has been replaced by << and >>.

Another example: the string:

database "%s" does not exist

is translated into Spanish as

no existe la base de datos «%s»

as you can see here:

lucid/+

However, the error message is displayed like this:

ricardo(at)kadath:~$ psql -U ricardo datos
Contraseña para usuario ricardo:
psql: FATAL: no existe la base de datos <<datos>>

Again, the « and » chars has been replaced by << and >>.

This issue is not psql related, because I tried using pgadmin3 with the same
results.

This issue can't be reproduced using postgresql-8.3 in Karmic.