Activating support for right-to-left (RTL) languages To activate support for RTL (right-to-left) languages in WebHelp output, do the following: Edit the DITA map and change the xml:lang attribute on its root element (map). In most cases the default will be xml:lang="en-us" Change the attribute to any of the following, as appropriate: ar-eg - Arabic he-il - Hebrew ur-pk - Urdu