Assegnate 3 su 5 stelle

I'm also getting an XML error when attempting to change the settings of this Add-on :

- OS : SimplyMepis 7 ( Linux/Debian based distribution)
- TB version and revision : TB3.0
- Add-ons: Lightning 1.0-b1(pre), Mail Redirect 0.7.4 and Smart Template 0.4.0
- Situation error occurs
start TB -> Tools -> Add-ons -> select Smart Template -> Preferences -> displays xml error :

XML Parsing Error: undefined entity
Location: chrome://smarttemplate/content/settings.xul
Line Number 7, Column 1:

Questa recensione riguarda una versione precedente (0.4.0) del componente aggiuntivo. 

Thank you for the valuable information.
Fix bug at version 0.4.1.
It's foolish bug, wrong filename of locale dtd(linux case sensitive)...