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lvjr
Problem with using counters in version 2025A
The following example compiles fine with version 2024A:
\documentclass{article}
\usepackage{tabularray}
\begin{document}
\begin{tblr}{
vlines = {1-\thepage}{solid},
}
first & tblr \\
second & tblr \\
\end{tblr}
\end{document}
With version 2025A, it will produce the following error:
! Undefined control sequence.
\l__tl_tmpa_tl ->\__tblr_child_indexer_
1
l.12 \end
{tblr}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.
! Missing number, treated as zero.
<to be read again>
\__int_sep:
l.12 \end
{tblr}
A number should have been here; I inserted `0'.
(If you can't figure out why I needed to see a number,
look up `weird error' in the index to The TeXbook.)
Full .log file
This is pdfTeX, Version 3.141592653-2.6-1.40.28 (TeX Live 2025) (preloaded format=pdflatex 2025.6.30) 30 JUN 2025 12:31
entering extended mode
restricted \write18 enabled.
%&-line parsing enabled.
**document.tex
(./document.tex
LaTeX2e <2025-06-01> patch level 1
L3 programming layer <2025-06-09>
(/usr/local/texlive/2025/texmf-dist/tex/latex/base/article.cls
Document Class: article 2025/01/22 v1.4n Standard LaTeX document class
(/usr/local/texlive/2025/texmf-dist/tex/latex/base/size10.clo
File: size10.clo 2025/01/22 v1.4n Standard LaTeX file (size option)
)
\c@part=\count275
\c@section=\count276
\c@subsection=\count277
\c@subsubsection=\count278
\c@paragraph=\count279
\c@subparagraph=\count280
\c@figure=\count281
\c@table=\count282
\abovecaptionskip=\skip49
\belowcaptionskip=\skip50
\bibindent=\dimen148
)
(/usr/local/texlive/2025/texmf-dist/tex/latex/tabularray/tabularray.sty
Package: tabularray 2025-03-11 v2025A Typeset tabulars and arrays with LaTeX3
\l__tblr_a_int=\count283
\l__tblr_c_int=\count284
\l__tblr_r_int=\count285
\l__tblr_d_dim=\dimen149
\l__tblr_h_dim=\dimen150
\l__tblr_o_dim=\dimen151
\l__tblr_p_dim=\dimen152
\l__tblr_q_dim=\dimen153
\l__tblr_r_dim=\dimen154
\l__tblr_s_dim=\dimen155
\l__tblr_t_dim=\dimen156
\l__tblr_v_dim=\dimen157
\l__tblr_w_dim=\dimen158
\l__tblr_a_box=\box53
\l__tblr_b_box=\box54
\l__tblr_c_box=\box55
\l__tblr_d_box=\box56
\c@tblrcount=\count286
\c@rownum=\count287
\c@colnum=\count288
\c@rowcount=\count289
\c@colcount=\count290
\abovesep=\dimen159
\belowsep=\dimen160
\leftsep=\dimen161
\rightsep=\dimen162
\gTblrLevelInt=\count291
\g__tblr_data_row_key_count_int=\count292
\g__tblr_data_column_key_count_int=\count293
\g__tblr_data_cell_key_count_int=\count294
\g__tblr_array_int=\count295
\l__tblr_key_count_int=\count296
\l__tblr_key_quotient_int=\count297
\l__tblr_key_quotient_two_int=\count298
\l__tblr_key_remainder_int=\count299
\g__tblr_data_str_value_count_int=\count300
\lTblrChildTotalInt=\count301
\lTblrChildHtotalInt=\count302
\lTblrChildVtotalInt=\count303
\l__child_diff_h_int=\count304
\l__child_diff_v_int=\count305
\l__child_sign_h_int=\count306
\l__child_sign_v_int=\count307
\l__child_step_int=\count308
\lTblrDefaultHruleWidthDim=\dimen163
\lTblrDefaultVruleWidthDim=\dimen164
\l__tblr_split_balance_int=\count309
\l__tblr_strut_dp_dim=\dimen165
\l__tblr_strut_ht_dim=\dimen166
\g__tblr_cell_wd_dim=\dimen167
\g__tblr_cell_ht_dim=\dimen168
\g__tblr_cell_head_dim=\dimen169
\g__tblr_cell_foot_dim=\dimen170
\l__tblr_measured_cell_box=\box57
\g__tblr_last_box=\box58
\l__tblr_temp_box=\box59
\l__tblr_column_target_dim=\dimen171
\l__tblr_hfuzz_dim=\dimen172
\l__tblr_caption_box=\box60
\l__tblr_caption_left_box=\box61
\lTblrRowHeadInt=\count310
\lTblrRowFootInt=\count311
\l__tblr_row_head_box=\box62
\l__tblr_row_foot_box=\box63
\l__tblr_row_head_foot_dim=\dimen173
\lTblrTableWidthDim=\dimen174
\l__tblr_table_firsthead_box=\box64
\l__tblr_table_middlehead_box=\box65
\l__tblr_table_lasthead_box=\box66
\l__tblr_table_firstfoot_box=\box67
\l__tblr_table_middlefoot_box=\box68
\l__tblr_table_lastfoot_box=\box69
\l__tblr_remain_height_dim=\dimen175
\l__tblr_long_from_int=\count312
\l__tblr_long_to_int=\count313
\l__tblr_curr_i_int=\count314
\l__tblr_prev_i_int=\count315
\lTblrTablePageInt=\count316
\l__tblr_table_head_box=\box70
\l__tblr_table_foot_box=\box71
\l__tblr_table_head_foot_dim=\dimen176
\l__tblr_table_head_body_foot_dim=\dimen177
\l__tblr_table_box=\box72
\lTblrRowFirstInt=\count317
\lTblrRowLastInt=\count318
\l__tblr_table_hlines_box=\box73
\l__tblr_hline_box=\box74
\l__tblr_row_box=\box75
\l__tblr_col_o_wd_dim=\dimen178
\l__tblr_col_b_wd_dim=\dimen179
\l__tblr_hline_leftskip_dim=\dimen180
\l__tblr_hline_rightskip_dim=\dimen181
\l__tblr_row_ht_dim=\dimen182
\l__tblr_row_dp_dim=\dimen183
\l__tblr_row_abovesep_dim=\dimen184
\l__tblr_row_belowsep_dim=\dimen185
\l__tblr_row_vlines_box=\box76
\l__tblr_vline_box=\box77
\l__tblr_cell_box=\box78
\l__tblr_row_upper_dim=\dimen186
\l__tblr_row_lower_dim=\dimen187
\l__tblr_row_vpace_dim=\dimen188
\l__tblr_vline_aboveskip_dim=\dimen189
\l__tblr_vline_belowskip_dim=\dimen190
\lTblrCellRowSpanInt=\count319
\lTblrCellColSpanInt=\count320
\l__tblr_cell_wd_dim=\dimen191
\l__tblr_cell_ht_dim=\dimen192
\lTblrCellAboveBorderWidthDim=\dimen193
\lTblrCellBelowBorderWidthDim=\dimen194
\lTblrCellLeftBorderWidthDim=\dimen195
\lTblrCellRightBorderWidthDim=\dimen196
\l__tblr_diag_box=\box79
\l__tblr_cell_inner_wd_dim=\dimen197
\l__tblr_cell_inner_dp_dim=\dimen198
\l__tblr_cell_hanchor_dim=\dimen199
\l__tblr_last_cell_table_ht_dim=\dimen256
\l__tblr_last_cell_table_dp_dim=\dimen257
\l__tblr_last_vline_wd_dim=\dimen258
\l__tblr_tikz_node_box=\box80
)
(/usr/local/texlive/2025/texmf-dist/tex/latex/l3backend/l3backend-pdftex.def
File: l3backend-pdftex.def 2025-06-09 L3 backend support: PDF output (pdfTeX)
\l__color_backend_stack_int=\count321
)
(./document.aux)
\openout1 = `document.aux'.
LaTeX Font Info: Checking defaults for OML/cmm/m/it on input line 5.
LaTeX Font Info: ... okay on input line 5.
LaTeX Font Info: Checking defaults for OMS/cmsy/m/n on input line 5.
LaTeX Font Info: ... okay on input line 5.
LaTeX Font Info: Checking defaults for OT1/cmr/m/n on input line 5.
LaTeX Font Info: ... okay on input line 5.
LaTeX Font Info: Checking defaults for T1/cmr/m/n on input line 5.
LaTeX Font Info: ... okay on input line 5.
LaTeX Font Info: Checking defaults for TS1/cmr/m/n on input line 5.
LaTeX Font Info: ... okay on input line 5.
LaTeX Font Info: Checking defaults for OMX/cmex/m/n on input line 5.
LaTeX Font Info: ... okay on input line 5.
LaTeX Font Info: Checking defaults for U/cmr/m/n on input line 5.
LaTeX Font Info: ... okay on input line 5.
! Undefined control sequence.
\l__tl_tmpa_tl ->\__tblr_child_indexer_
1
l.12 \end
{tblr}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.
! Missing number, treated as zero.
<to be read again>
\__int_sep:
l.12 \end
{tblr}
A number should have been here; I inserted `0'.
(If you can't figure out why I needed to see a number,
look up `weird error' in the index to The TeXbook.)
! Undefined control sequence.
\l__tl_tmpa_tl ->\__tblr_child_indexer_
1
l.12 \end
{tblr}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.
! Missing number, treated as zero.
<to be read again>
\__int_sep:
l.12 \end
{tblr}
A number should have been here; I inserted `0'.
(If you can't figure out why I needed to see a number,
look up `weird error' in the index to The TeXbook.)
! Undefined control sequence.
\l__tl_tmpa_tl ->\__tblr_child_indexer_
1
l.12 \end
{tblr}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.
! Missing number, treated as zero.
<to be read again>
\__int_sep:
l.12 \end
{tblr}
A number should have been here; I inserted `0'.
(If you can't figure out why I needed to see a number,
look up `weird error' in the index to The TeXbook.)
LaTeX Font Info: External font `cmex10' loaded for size
(Font) <7> on input line 12.
LaTeX Font Info: External font `cmex10' loaded for size
(Font) <5> on input line 12.
[1
{/usr/local/texlive/2025/texmf-var/fonts/map/pdftex/updmap/pdftex.map}]
(./document.aux)
***********
LaTeX2e <2025-06-01> patch level 1
L3 programming layer <2025-06-09>
***********
)
Here is how much of TeX's memory you used:
2561 strings out of 467888
65137 string characters out of 5434067
452444 words of memory out of 5000000
31193 multiletter control sequences out of 15000+600000
627788 words of font info for 43 fonts, out of 8000000 for 9000
1141 hyphenation exceptions out of 8191
43i,6n,89p,152b,476s stack positions out of 10000i,1000n,20000p,200000b,200000s
</usr/local/texlive/2025/texmf-dist/fonts/type1/public/amsfonts/cm/cmr10.pfb>
Output written on document.pdf (1 page, 13415 bytes).
PDF statistics:
13 PDF objects out of 1000 (max. 8388607)
7 compressed objects within 1 object stream
0 named destinations out of 1000 (max. 500000)
1 words of extra memory for PDF output out of 10000 (max. 10000000)
As a workaround, you can create a new child indexer:
\documentclass{article}
\usepackage{tabularray}
\NewTblrChildIndexer{Page}{\def\lTblrChildIndexTl{\thepage}}
\begin{document}
\setcounter{page}{3}
\begin{tblr}{vlines={1-Page}{solid}}
A & B \\
C & D \\
E & F \\
G & H \\
\end{tblr}
\end{document}
A child indexer can accept arguments, such as
\documentclass{article}
\usepackage{tabularray}
\NewTblrChildIndexer{Page}[1][1]{\def\lTblrChildIndexTl{\inteval{\thepage+1-#1}}}
\begin{document}
\setcounter{page}{3}
\begin{tblr}{vlines={1-Page[2]}{solid}}
A & B \\
C & D \\
E & F \\
G & H \\
\end{tblr}
\end{document}
I decide to keep this issue open. It might be possible to make the old code work in a future release.
It might be possible to make the old code work in a future release.
Oh, that would be great! Your solution with \NewTblrChildIndexer works perfectly fine, but being able to use the counters directly was more convenient.