How can I add a line break to split a long line into two,in rst table cell?

[AzureRabbit]

I want to split a long line into two in a rst table cell, when I press the Enter key in vim Insert mod, riv append a new line under the current line, that is not I want.

[gu-fan]

well... I know that.there is a todo, ;but no time to add that behaviour there. https://github.com/gu-fan/riv.vim/blob/598c8983dde237518732785a4726c8a3acb49617/autoload/riv/table.vim#L374