next in snip%
Returns the next snip in the editor owning this snip, or #f if
this is the last snip.
In a text editor, the next snip is the snip at the position following this snip's (last) position. In a pasteboard, the next snip is the one immediately behind this snip. (See Basic Organization for information about snip order in pasteboards.)
(->senda-snipnext)snip%object or#f