table--put-cell-property

table--put-cell-property is a compiled Lisp function in `table.el'.

(table--put-cell-property CELL)

Put standard text properties to the CELL.
The CELL is a cons cell (left-upper . right-bottom) where the
left-upper is the position before the cell's left upper corner
character, the right-bottom is the position after the cell's right
bottom corner character.