insert

(#<widget> 'insert tagOrId beforeThis string)

For each of the items given by tagOrId, if the item supports text or coordinate, insertion then string is inserted into the item's text just before the character, or coordinate, whose index is beforeThis.

Text items interpret beforeThis as an index to a character, line and polygon items interpret it as an index to a coordinate (an x,y pair).

For lines and polygons the string must be a valid coordinate sequence. See above for information about the forms allowed for beforeThis. This command returns an empty string.

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