[xwiki-devs] about the xwiki table cell split and merge

hi,All I have a question about the xwiki table usage.When I have a table ,I try to split one cell to more cells or merge some cells into one cell,I find this function is invalid,when I click the save button ,the saved table is not what I want,is anybody know how to solve this issue?or anyone who has the same problem?is xwiki support this syntax?if so,who has the xwiki script for the table? Thanks Steven