hi Yuji.
<description><{$item.description|truncate:128:"...":true}></description>
hmmm...
It might cut the language tags.
This is the one that marcan's hack is sperior than EMLH.
(Although I believe the merit of enabling caches is more important...)
Anyway, you can edit the template like this:
<description><{$item.description|truncate:128:"...":true}></description>