>I work with the spanish version and I do not see anything on the view menu
>that mentions a hierarchy of pages. Perhaps it is an option of an extension
>that I have not installed.
I hope you can see this screen shot:
Mailing list: https://launchpad.net/~zim-wiki
Post to : firstname.lastname@example.org
Unsubscribe : https://launchpad.net/~zim-wiki
More help : https://help.launchpad.net/ListHelp