I use another plugin to place modules within articles. Specifically, it is for placing ads in them. However, the Related Items Extended extension inserts an (in my opinion) unnecessary '<p id="slidetag">' in the bottom of the HTML module, which causes a somewhat ugly layout. See the source code between "START: Modules Anywhere" (line 156) and "END: Modules Anywhere" (line 180) in the reference link.
The '<p id="slidetag">' disappears if I disable the RIE extension. I don't use the slideout function of RIE, so is it possible to somehow remove the '<p id="slidetag">'?