Thanks for 5.14.



works pretty good except that when I try to export in HTML an org file
containing a table with a first horizontal line like the following



|--------+------------|

| 172141 |            |

|--------+------------|

|  16000 | 20582162-6 |

|  20000 |            |

|   7725 | 20582165-1 |

|   5000 | 20582166-9 |

|   1000 |            |

|--------+------------|

| 221866 |            |

#+TBLFM: @7$1=vsum(@1$1..@6$1)





I get



mapconcat: Args out of range: [2], 1



while if I delete the first line (the horizontal) I get HTML but the
horizontal line inside the table does not get transformed to an html
horizontal line.