Joomla 3 Newbie Guide
Joomla! 3 Newbie’s Guide
You can manager permission settings based on your requirement. Kindly note,
changing setting here will apply to this and all child groups, components and content.
If you are not too sure then leave it default.
These text filter settings will be applied to all text editor fields submitted by users in
the selected groups. You can be as strict or as liberal as you require to suite your site