如何禁用烦人的“括号完成”？

Whenever I type a (, [, or {, Notepad++ completes it with the corresponding closing bracket. I find this 'feature' annoying and would like to disable it. It doesn't seem to be listed in the Preferences dialog and a search of the online documentation didn't yield any useful result. Does anybody here know where the option for this is hidden? I'm currently using Notepad++ 5.0.3.Whenever I type a (, [, or {, Notepad++ complet