This is still a problem (ash 3.1dfsg-8), and I just noticed another way that it manifests itself:
I have package 'libstdc++6-doc' installed, and want to view the man page for std::multimap I type: $ man std::multim and hit tab, expecting it to be completed, but instead I see it completed like this: $ man std::std\:\:multimap If instead I type $ man std\:\:multim and hit tab, it is completed correctly like this: $ man std\:\:multimap -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]