Following on my bug report, I removed and reinstalled vim-runtime followed by reinstalling vim-gtk. This made the help file work.
Not really sure why this happened. Anthony -- Anthony Campbell - [EMAIL PROTECTED] Microsoft-free zone - Using Linux Gnu-Debian http://www.acampbell.org.uk (blog, book reviews, on-line books and sceptical articles) -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]