Inserts data into the editor.
The content of an editor can be changed by the system in response to other method calls, and such changes do not go through this method; use on-insert in text% or on-insert in pasteboard% to monitor content additions changes.
Inserts snip at position (x, y) just in front of snip. (See Basic Organization for information about snip order in pasteboards.) If snip is #f, then snip is inserted behind all other snips.
Inserts snip at position (x, y) behind all other snips. (See Basic Organization for information about snip order in pasteboards.)
Inserts snip in the center of the editor (with respect to the total width and height of the editor) just in front of snip. (See Basic Organization for information about snip order in pasteboards.) If snip is #f, then snip is inserted behind all other snips.
Inserts a snip into the editor. A snip cannot be inserted into multiple editors or multiple times within a single editor.