Editing talk pages
I think there has been a misunderstanding regarding your recent edits: , . I think that you visited the history of those pages, found your edits and clicked edit, right? Newer edits have been done since your last edit, and those edits were undone, because you edited an old revision of the page.
This is why you should never edit an old revision, unless you know exactly what you are doing (see also Help:Style#Discussion_pages):
- Never remove other people's posts, unless of course removing properly closed discussion (like in ).
- Do not edit your posts if somebody has already replied.