Not sure if this is a bug.
At the bottom of a topic or of a reply where it can say ... Edited by ... there seems to be an exception when the admin is editing the post.
When I edit the post as the admin the Edited by does not show that I edited it.
On lines 364 - 367 of post_info.asp (Snitz 3.4.04)
		if mLev < 4 and strEditedByDate = "1" then
			strSql = strSql & ", R_LAST_EDIT = '"  & DateToStr(strForumTimeAdjust) & "'"
			strSql = strSql & ", R_LAST_EDITBY = "  & MemberID
		end if
I changed the code to:
		if mLev < 4 and strEditedByDate = "1" then
			strSql = strSql & ", R_LAST_EDIT = '"  & DateToStr(strForumTimeAdjust) & "'"
			strSql = strSql & ", R_LAST_EDITBY = "  & MemberID
		elseif mLev = 4 and strEditedByDate = "1" then
			strSql = strSql & ", R_LAST_EDIT = '"  & DateToStr(strForumTimeAdjust) & "'"
			strSql = strSql & ", R_LAST_EDITBY = "  & MemberID
		end if
and on lines 549 - 552 of post_info.asp 
		if mLev < 4 and strEditedByDate = "1" then
			strSql = strSql & ", T_LAST_EDIT = '"  & DateToStr(strForumTimeAdjust) & "'"
			strSql = strSql & ", T_LAST_EDITBY = "  & MemberID
		end if
I changed to code to
		if mLev < 4 and strEditedByDate = "1" then
			strSql = strSql & ", T_LAST_EDIT = '"  & DateToStr(strForumTimeAdjust) & "'"
			strSql = strSql & ", T_LAST_EDITBY = "  & MemberID
		elseif mLev = 4 and strEditedByDate = "1" then
			strSql = strSql & ", T_LAST_EDIT = '"  & DateToStr(strForumTimeAdjust) & "'"
			strSql = strSql & ", T_LAST_EDITBY = "  & MemberID
		end if
These changes resolved the issue for me though I am unsure if this was code had a specific purpose or was it just an oversight?