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* A table formula bug: incremental column fill with negative values
@ 2010-04-24  4:03 William Henney
  2010-04-24  8:23 ` Carsten Dominik
  0 siblings, 1 reply; 2+ messages in thread
From: William Henney @ 2010-04-24  4:03 UTC (permalink / raw)
  To: emacs-org

Hi all

The following is using today's git trunk of org-mode with emacs
23.1.94.1 (aquamacs 2.0preview5)

    Consider the following table

    | -8 |
    |    |
    |    |
    |    |
#+TBLFM: $1=@-1 - 1::@1$1=-8

    Evaluate formulas once (C-u C-c *):

    | -8 |
    | -9 |
    |----|
    | -1 |

    Evaluate formulas again (C-u C-c *):

    | -8 |
    | -9 |
    |----|
    |----|

    What I expected:

    |  -8 |
    |  -9 |
    | -10 |
    | -11 |

The problem always seems to start at -10. When I turn on table
debugging, it first calculates the -10 value correctly, but then fails
to recognise the -10 cell as a number when calculating the next row,
using 0 instead, which results in -1. This is because during the
intermediate formatting of the cell the minus sign in -10 abuts the
column separator: "|-10 |", and the "|-" part is then interpreted as
the beginning of an hline.

Any possibility of a fix? Just prepending a space to all calculated
negative numbers might be enough.

Cheers

Will

-- 

  Dr William Henney, Centro de Radioastronomía y Astrofísica,
  Universidad Nacional Autónoma de México, Campus Morelia

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2010-04-24  4:03 A table formula bug: incremental column fill with negative values William Henney
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