[Orgmode] Re: Time computation errors

[Bernt Hansen]

"Francesco Pizzolante"
<fpz-djc/address@hidden> writes:

> Consider the following example:
>
> --8<---------------cut here---------------start------------->8---
> * Test
> #+COLUMNS: %25ITEM(Description)  %Time1{:} %Time2{:} %Time3{:}
>
> #+BEGIN: columnview :hlines 1 :id local
> | Description | Time1 | Time2 | Time3  |
> |-------------+-------+-------+--------|
> | * Test      |  3:30 |  3:00 | #ERROR |
> | *** Item 1  | -1:30 |  1:00 | #ERROR |
> | *** Item 2  |  4:00 |  2:00 | #ERROR |
> #+TBLFM: $4=$2+$3
> #+END:
>
> *** Item 1
>     :PROPERTIES:
>     :Time1:    -1:30
>     :Time2:    1:00
>     :END:
>
> *** Item 2
>     :PROPERTIES:
>     :Time1:    4:00
>     :Time2:    2:00
>     :END:
> --8<---------------cut here---------------end--------------->8---
>
>
> Problems:
>
> 1) The sum of Time1 for Test headline is wrong: 3:30 instead of
>    2:30;
>
> 2) I'm unable to sum times through a formula (see Time3 column).
>    The same formula works perfectly when you replace times with
>    integers.
>
> Any feedback is welcome.

I don't believe negative times are supported currently.

-Bernt