[imp] mysterious spell check problem

[Liam Hoekenga]

>> same php, same php.ini, same version of pear, some horde installation
>> aspell is on the test machine, does work from the command line
>>
>> any ideas?
>
> Do you have the proper locales and/or dictionaries installed on the
> test server?

I believe so.  strace shows aspell is returning spelling suggestions,  
and spellcheck works if I downgrade the machine to Horde 3.0 / IMP 4.0.

Liam