Re: [BUG] org-export-table-row-number off by one when special row present [9.6.23 ( @ /home/jet/.config/emacs/elpa/org-9.6.23/)]

[Ihor Radchenko]

Jeff Trull <edaskel@att.net> writes:

>> During export, table may be not the same as it appears in the original
>> document - some rows may be omitted. `org-export-table-row-number'
>> returns the coordinates in as-exported table, not in the original table.
>>
>
> Agreed. I believe this behavior contradicts its documentation string:
>
> "... Return value is zero-indexed and ignores separators.  The function
> returns nil
> for special rows and separators."
>
> The language is different for what rows are ignored ("separators") and for
> what cells it will
> return nil ("special rows and separators"). This is consistent with the
> user-facing addresses,
> which do not consider separator rows, but do consider column alignment rows.

What about the attached patch?

>From 6457e6e3a9c112b9a1bc3a549a93f3cd6a64b2c3 Mon Sep 17 00:00:00 2001
Message-ID: 
<6457e6e3a9c112b9a1bc3a549a93f3cd6a64b2c3.1712062152.git.yantar92@posteo.net>
From: Ihor Radchenko <yantar92@posteo.net>
Date: Tue, 2 Apr 2024 15:49:01 +0300
Subject: [PATCH] lisp/ox.el (org-export-table-row-number): Clarify docstring

---
 lisp/ox.el | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lisp/ox.el b/lisp/ox.el
index c794c570f..8c7e092e3 100644
--- a/lisp/ox.el
+++ b/lisp/ox.el
@@ -5432,7 +5432,8 @@ (defun org-export-table-row-number (table-row info)
   "Return TABLE-ROW number.
 INFO is a plist used as a communication channel.  Return value is
 zero-indexed and ignores separators.  The function returns nil
-for special rows and separators."
+for separators and table rows that are marked to be ignored according
+to the INFO plist."
   (when (eq (org-element-property :type table-row) 'standard)
     (let* ((cache (or (plist-get info :table-row-number-cache)
                      (let ((table (make-hash-table :test #'eq)))
-- 
2.44.0

> In this case, it's not specific to any exporter. org-export--skip-p returns
> true for column alignment rows with the following code:
>
>     (table-cell
>      (and (org-export-table-has-special-column-p
>   (org-export-get-parent-table datum))
>  (org-export-first-sibling-p datum options)))

This part of the code is not for alignment rows, it is for special
columns.

> So these rows will be in the ignore-list for all exporters.

This is no longer true on main.

> ... And that's reasonable - when ignore-list is being used for
> deciding what to export. The problem, as I see it, is that
> org-export-table-row-number does not consider this when determining
> the "address" of a cell.

?? `org-export-table-row-number' considers the ignore list because
`org-element-map' considers it.

> So, there is no bug here.
>>
>
> I  disagree :) and suggest the following change to org-export-row-number
> (line 5390):
>
>     info))
>
> should become:
>
>   (org-plist-delete info 'ignore-list)))
>
> which will make it consistent with its docstring and with user-facing
> addresses.

The docstring should be fixed, not the function behaviour.

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
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