Implemented with these two commits:

http://lists.horde.org/archives/cvs/Week-of-Mon-20070716/069450.html

http://lists.horde.org/archives/cvs/Week-of-Mon-20070716/069453.html

It's not the same. One thing is the charset you use. I'm using utf-8 
and have turba configured that way, and it's working fine. But look at 
the following scenario:



I have an spanish directory with all the following entries:



cn: Sánchez



cn: Sanchez



cn: Sanchéz





When I look for (cn=Sanchez) I want all of them to be returned since 
that is the way addressbook usually work (ie: ignore accents). But 
it's not working that way. Cause when you seach (cn=Sanchez) it only 
returns the Sanchez entry (not Sánchez nor Sanchéz).



The openldap server (slapd) has an special operator that can match all 
those three entries when you look for "Sanchez". It's called the 
approximate operator and it's used like this: instead of searching for:



(cn=*sanchez*)  ---> returns only Sanchez



you search for:



(cn~=sanchez)   ---> returns Sanchez, Sánchez and Sanchéz



Note the ~= operator and the lack of "*" in the approximate search.





And that's it. The problem is that, since this is not a special match rule

(that would be the ideal solution but there's no standard for it yet) 
you must implement it in the client side and that's what I said it 
would be great to have in turba.



Look at my quick-dirty patch to see how I fixed the problem.



Adding this functionality to turba will involve allowing to configure 
in some way the "operator" you want to use for searches, and that 
should be done in the sources.php file, I think.

This should already work if you specify the LDAP server's charset in 
the configuration and use search strings that are compatible to the 
used charset.

It would be great to add support for international searches in turba. 
That is, to search for "Sanchez" and return "Sánchez", "Sanchez", 
"Sanchéz", etc.



In openldap (slapd) this can be achieved using the approximate 
operator ("~=") instead of the usual "=".



Attached is a one-line (very specific) hack to add this functionality 
with current Horde/Turba version, as a proof of concept. Is not a 
generic hack, you must change "cn" to the LDAP attribute you use as 
"name".



Anyway, in case no one is already working on this, I may be available 
to do it. It will involve adding some options to sources.php, I think.



--

Pablo Hoffman