Thanks for your kind comments about my adding on Islam to Tobacco smoking If you have a chance perhaps you can explain to me about how reverts work Is it possible to revert sections of an article not the whole article using the prior history Can undo be delimited to a section Well you don t have to bother with this Talk And thank you for your kind response and questions I m always happy to help it s never a bother Yes it is possible to undo or revert specific edits or a series of edits in an article The new undo button next to each edit in the history tab of an article can be used to try and undo that specific edit it s success is dependent on there not being any conflicting intermediate edits between that particular edit and the current version of the article One can also go back to a previous version by going to the article s history and editing an old revision of the page If you do this any changes made since that revision will be removed Here are some links with more detail on this subject Help Reverting WP VANDAL WP Vandalproof Hope this helps