Vander Clock Stephane schrieb am 08.01.2012 um 17:34 (+0400):

> I don't know, i just try and ASCII seam to accept char > 127

That's the bug reported here:

http://tech.groups.yahoo.com/group/firebird-support/message/112680
http://tracker.firebirdsql.org/browse/CORE-3416

> i thing internally ASCII is based on 8 bits not 7 ...

ASCII is a set of 128 characters; none of the French accentuated
characters or German umlaute is part of it.

Looks like you should do some reading on character sets and encoding:

The Absolute Minimum Every Software Developer Absolutely, Positively
Must Know About Unicode and Character Sets (No Excuses!) - Joel Spolsky
http://joelonsoftware.com/articles/Unicode.html

Michael