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Re: Bug: Can’t assign to hline relative reference

From: Dante Catalfamo
Subject: Re: Bug: Can’t assign to hline relative reference
Date: Wed, 21 Oct 2020 16:14:06 +0000

In the case where I'm using this formula, there are many more rows
between @I..@II. I only used two in the example to keep the email small.
I would also be adding more rows regularly, making it slightly
impractical to be adjusting the beginning and end points of the formula
every time I add or remove a row. I appreciate your suggestion, though I
was hoping for a more convenient solution. If nothing else works, that's
what I'll do.

I'd like to get to the bottom of why hlines aren't permitted in table
formulas, it seems like something that should be allowed.


‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Wednesday, October 21, 2020 8:43 AM, Daniel Herzig <daniel.herzig@outlook.at> wrote:

This seems to be related to: https://emacs.stackexchange.com/questions/15185/cant-assign-to-hline-relative-reference

There seem to be restrictions regarding hline-relative-references within table-formulas.

If change 'I' and 'II' for 1 and 2 on the very left of the formula, it works (keeping the other hline-relative parts) . If I stay with the former I get the same error as you (emacs 26.1, orgmode 9.1.9, Debian stable).

I hope this can help,

Am 21. Oktober 2020 03:14:10 MESZ schrieb Dante Catalfamo <dante@lambda.cx>:

I'm trying to create a table where the third column between two hlines is set by a formula referencing the second column.

Here is an example:

| a | b | c |
| row 1 | 12.00 | 144.00 |
| row 2 | | 23.00 |
| sum | 12.00 | 167.00 |
#+TBLFM: @I$3..II$3=if($2 != 0, 12*$2, $3);%.2f::@4$2=vsum(@I..II);%.2f::@4$3=vsum(@I..II);%.2f

When I try to calculate this table however, I get the error "Can’t assign to hline relative reference".

Why is this now allowed? This seems like a fairly mundane use of a table to me. It is explicitly disabled in the source, but without explanation, and searching the mailing list doesn't turn up many answers.

Is there a recommended way to handle a situation like this?

Could this feature be fixed?

Thank you,

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