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tcolorbox, tabularx: first line with a multicolumn does not work in tcolorbox environment


Tcolorbox :: sidebyside option gives poor resultmulticolumn command with tabularx environmenttcolorbox overlay app does not worktcolorbox `interior titled code app` does not workTabularx option in tcolorbox: how to colored the first row?tcolorbox breakable raster does not work if a cell breaksCentering in Tabularx does not worktabularx with multicolumn and multirowmulticolumn not working with pgfplotstabletypeset and tabularxEnvironment with multiple parts does not worktabularx inside tcolorbox not centered properly













3















I have a problem with tabularx in a tcolorbox environment, here is the code:



documentclass[]{article}
usepackage[utf8]{inputenc}
usepackage[T1]{fontenc}


usepackage[most]{tcolorbox}
usepackage{tabularx}
usepackage{array}
usepackage{colortbl}
tcbuselibrary{skins}

begin{document}

newcolumntype{b}{X}
newcolumntype{i}{>{hsize=.005hsize}X}
newcolumntype{s}{>{hsize=.15hsize}X}

begin{table}
begin{center}
begin{tcolorbox}[colback=black!0.8!white,colframe=black!4!white,
colbacktitle=gray!40!white, coltitle=black,width=1.0linewidth,tabularx={ibs}]
multicolumn{2}{b}{Number} & 11 \hline
& part a & 38 \hline
& part b & 4 \hline
& part c & 2 \hlinehline
multicolumn{2}{l}{Blabla 1} & 217 \hline
multicolumn{2}{l}{Blabla 2} & 20 \hline
multicolumn{2}{l}{Blabla 1} & 105 \hline
multicolumn{2}{l}{Blabla 1} & 3100 \hline
multicolumn{2}{l}{Blabla 1} & 367
end{tcolorbox}
end{center}
end{table}

vspace{3cm}

begin{center}
begin{tabularx}{1.0linewidth}{ibs}
multicolumn{2}{b}{Number} & 11 \hline
& part a & 38 \hline
& part b & 4 \hline
& part c & 2 \hlinehline
multicolumn{2}{l}{Blabla 1} & 217 \hline
multicolumn{2}{l}{Blabla 2} & 20 \hline
multicolumn{2}{l}{Blabla 1} & 105 \hline
multicolumn{2}{l}{Blabla 1} & 3100 \hline
multicolumn{2}{l}{Blabla 1} & 367end{tabularx}
end{center}

vspace{3cm}

end{document}


In a regular tabularx environment, the table is okay (see 2nd table). However, if I do the same in a tcolorbox environment (1st table), the first line, which contains a multicolumn, does not work, whereas the other 5 show up, if one passes all the errors.



enter image description here



The error is (appears 6x):



! Misplaced omit.
multispan ->omit
@multispan
l.31 end{tcolorbox}

?


I tried to play with the 'size' of the first multicolumn but did not succeed.



Any help is highly appreciated. Thanks.










share|improve this question























  • unrelated to the error but your ibs heading is wrong , you have 3 X columns so the total width should be 3hsize and 1+.005+.15 is not 3, tabularx will most likely fail to converge to sensible size given that input.

    – David Carlisle
    Jan 30 '17 at 11:09











  • David: If I use 2.845+.005+.15 = 3, everything is put to the left of the table.

    – Krumpel
    Jan 30 '17 at 11:23











  • I do not know your intended design but any output made by tabularx given widths of 1+.005+.15 is entirely accidental , there is only one rule in the tabularx documentation and that is, don't do that:-)

    – David Carlisle
    Jan 30 '17 at 11:29











  • I agree since I found your example below ... . Sorry, I couldn't wait. ;-)

    – Krumpel
    Jan 30 '17 at 11:38
















3















I have a problem with tabularx in a tcolorbox environment, here is the code:



documentclass[]{article}
usepackage[utf8]{inputenc}
usepackage[T1]{fontenc}


usepackage[most]{tcolorbox}
usepackage{tabularx}
usepackage{array}
usepackage{colortbl}
tcbuselibrary{skins}

begin{document}

newcolumntype{b}{X}
newcolumntype{i}{>{hsize=.005hsize}X}
newcolumntype{s}{>{hsize=.15hsize}X}

begin{table}
begin{center}
begin{tcolorbox}[colback=black!0.8!white,colframe=black!4!white,
colbacktitle=gray!40!white, coltitle=black,width=1.0linewidth,tabularx={ibs}]
multicolumn{2}{b}{Number} & 11 \hline
& part a & 38 \hline
& part b & 4 \hline
& part c & 2 \hlinehline
multicolumn{2}{l}{Blabla 1} & 217 \hline
multicolumn{2}{l}{Blabla 2} & 20 \hline
multicolumn{2}{l}{Blabla 1} & 105 \hline
multicolumn{2}{l}{Blabla 1} & 3100 \hline
multicolumn{2}{l}{Blabla 1} & 367
end{tcolorbox}
end{center}
end{table}

vspace{3cm}

begin{center}
begin{tabularx}{1.0linewidth}{ibs}
multicolumn{2}{b}{Number} & 11 \hline
& part a & 38 \hline
& part b & 4 \hline
& part c & 2 \hlinehline
multicolumn{2}{l}{Blabla 1} & 217 \hline
multicolumn{2}{l}{Blabla 2} & 20 \hline
multicolumn{2}{l}{Blabla 1} & 105 \hline
multicolumn{2}{l}{Blabla 1} & 3100 \hline
multicolumn{2}{l}{Blabla 1} & 367end{tabularx}
end{center}

vspace{3cm}

end{document}


In a regular tabularx environment, the table is okay (see 2nd table). However, if I do the same in a tcolorbox environment (1st table), the first line, which contains a multicolumn, does not work, whereas the other 5 show up, if one passes all the errors.



enter image description here



The error is (appears 6x):



! Misplaced omit.
multispan ->omit
@multispan
l.31 end{tcolorbox}

?


I tried to play with the 'size' of the first multicolumn but did not succeed.



Any help is highly appreciated. Thanks.










share|improve this question























  • unrelated to the error but your ibs heading is wrong , you have 3 X columns so the total width should be 3hsize and 1+.005+.15 is not 3, tabularx will most likely fail to converge to sensible size given that input.

    – David Carlisle
    Jan 30 '17 at 11:09











  • David: If I use 2.845+.005+.15 = 3, everything is put to the left of the table.

    – Krumpel
    Jan 30 '17 at 11:23











  • I do not know your intended design but any output made by tabularx given widths of 1+.005+.15 is entirely accidental , there is only one rule in the tabularx documentation and that is, don't do that:-)

    – David Carlisle
    Jan 30 '17 at 11:29











  • I agree since I found your example below ... . Sorry, I couldn't wait. ;-)

    – Krumpel
    Jan 30 '17 at 11:38














3












3








3


1






I have a problem with tabularx in a tcolorbox environment, here is the code:



documentclass[]{article}
usepackage[utf8]{inputenc}
usepackage[T1]{fontenc}


usepackage[most]{tcolorbox}
usepackage{tabularx}
usepackage{array}
usepackage{colortbl}
tcbuselibrary{skins}

begin{document}

newcolumntype{b}{X}
newcolumntype{i}{>{hsize=.005hsize}X}
newcolumntype{s}{>{hsize=.15hsize}X}

begin{table}
begin{center}
begin{tcolorbox}[colback=black!0.8!white,colframe=black!4!white,
colbacktitle=gray!40!white, coltitle=black,width=1.0linewidth,tabularx={ibs}]
multicolumn{2}{b}{Number} & 11 \hline
& part a & 38 \hline
& part b & 4 \hline
& part c & 2 \hlinehline
multicolumn{2}{l}{Blabla 1} & 217 \hline
multicolumn{2}{l}{Blabla 2} & 20 \hline
multicolumn{2}{l}{Blabla 1} & 105 \hline
multicolumn{2}{l}{Blabla 1} & 3100 \hline
multicolumn{2}{l}{Blabla 1} & 367
end{tcolorbox}
end{center}
end{table}

vspace{3cm}

begin{center}
begin{tabularx}{1.0linewidth}{ibs}
multicolumn{2}{b}{Number} & 11 \hline
& part a & 38 \hline
& part b & 4 \hline
& part c & 2 \hlinehline
multicolumn{2}{l}{Blabla 1} & 217 \hline
multicolumn{2}{l}{Blabla 2} & 20 \hline
multicolumn{2}{l}{Blabla 1} & 105 \hline
multicolumn{2}{l}{Blabla 1} & 3100 \hline
multicolumn{2}{l}{Blabla 1} & 367end{tabularx}
end{center}

vspace{3cm}

end{document}


In a regular tabularx environment, the table is okay (see 2nd table). However, if I do the same in a tcolorbox environment (1st table), the first line, which contains a multicolumn, does not work, whereas the other 5 show up, if one passes all the errors.



enter image description here



The error is (appears 6x):



! Misplaced omit.
multispan ->omit
@multispan
l.31 end{tcolorbox}

?


I tried to play with the 'size' of the first multicolumn but did not succeed.



Any help is highly appreciated. Thanks.










share|improve this question














I have a problem with tabularx in a tcolorbox environment, here is the code:



documentclass[]{article}
usepackage[utf8]{inputenc}
usepackage[T1]{fontenc}


usepackage[most]{tcolorbox}
usepackage{tabularx}
usepackage{array}
usepackage{colortbl}
tcbuselibrary{skins}

begin{document}

newcolumntype{b}{X}
newcolumntype{i}{>{hsize=.005hsize}X}
newcolumntype{s}{>{hsize=.15hsize}X}

begin{table}
begin{center}
begin{tcolorbox}[colback=black!0.8!white,colframe=black!4!white,
colbacktitle=gray!40!white, coltitle=black,width=1.0linewidth,tabularx={ibs}]
multicolumn{2}{b}{Number} & 11 \hline
& part a & 38 \hline
& part b & 4 \hline
& part c & 2 \hlinehline
multicolumn{2}{l}{Blabla 1} & 217 \hline
multicolumn{2}{l}{Blabla 2} & 20 \hline
multicolumn{2}{l}{Blabla 1} & 105 \hline
multicolumn{2}{l}{Blabla 1} & 3100 \hline
multicolumn{2}{l}{Blabla 1} & 367
end{tcolorbox}
end{center}
end{table}

vspace{3cm}

begin{center}
begin{tabularx}{1.0linewidth}{ibs}
multicolumn{2}{b}{Number} & 11 \hline
& part a & 38 \hline
& part b & 4 \hline
& part c & 2 \hlinehline
multicolumn{2}{l}{Blabla 1} & 217 \hline
multicolumn{2}{l}{Blabla 2} & 20 \hline
multicolumn{2}{l}{Blabla 1} & 105 \hline
multicolumn{2}{l}{Blabla 1} & 3100 \hline
multicolumn{2}{l}{Blabla 1} & 367end{tabularx}
end{center}

vspace{3cm}

end{document}


In a regular tabularx environment, the table is okay (see 2nd table). However, if I do the same in a tcolorbox environment (1st table), the first line, which contains a multicolumn, does not work, whereas the other 5 show up, if one passes all the errors.



enter image description here



The error is (appears 6x):



! Misplaced omit.
multispan ->omit
@multispan
l.31 end{tcolorbox}

?


I tried to play with the 'size' of the first multicolumn but did not succeed.



Any help is highly appreciated. Thanks.







tabularx tcolorbox






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Jan 30 '17 at 10:39









KrumpelKrumpel

873




873













  • unrelated to the error but your ibs heading is wrong , you have 3 X columns so the total width should be 3hsize and 1+.005+.15 is not 3, tabularx will most likely fail to converge to sensible size given that input.

    – David Carlisle
    Jan 30 '17 at 11:09











  • David: If I use 2.845+.005+.15 = 3, everything is put to the left of the table.

    – Krumpel
    Jan 30 '17 at 11:23











  • I do not know your intended design but any output made by tabularx given widths of 1+.005+.15 is entirely accidental , there is only one rule in the tabularx documentation and that is, don't do that:-)

    – David Carlisle
    Jan 30 '17 at 11:29











  • I agree since I found your example below ... . Sorry, I couldn't wait. ;-)

    – Krumpel
    Jan 30 '17 at 11:38



















  • unrelated to the error but your ibs heading is wrong , you have 3 X columns so the total width should be 3hsize and 1+.005+.15 is not 3, tabularx will most likely fail to converge to sensible size given that input.

    – David Carlisle
    Jan 30 '17 at 11:09











  • David: If I use 2.845+.005+.15 = 3, everything is put to the left of the table.

    – Krumpel
    Jan 30 '17 at 11:23











  • I do not know your intended design but any output made by tabularx given widths of 1+.005+.15 is entirely accidental , there is only one rule in the tabularx documentation and that is, don't do that:-)

    – David Carlisle
    Jan 30 '17 at 11:29











  • I agree since I found your example below ... . Sorry, I couldn't wait. ;-)

    – Krumpel
    Jan 30 '17 at 11:38

















unrelated to the error but your ibs heading is wrong , you have 3 X columns so the total width should be 3hsize and 1+.005+.15 is not 3, tabularx will most likely fail to converge to sensible size given that input.

– David Carlisle
Jan 30 '17 at 11:09





unrelated to the error but your ibs heading is wrong , you have 3 X columns so the total width should be 3hsize and 1+.005+.15 is not 3, tabularx will most likely fail to converge to sensible size given that input.

– David Carlisle
Jan 30 '17 at 11:09













David: If I use 2.845+.005+.15 = 3, everything is put to the left of the table.

– Krumpel
Jan 30 '17 at 11:23





David: If I use 2.845+.005+.15 = 3, everything is put to the left of the table.

– Krumpel
Jan 30 '17 at 11:23













I do not know your intended design but any output made by tabularx given widths of 1+.005+.15 is entirely accidental , there is only one rule in the tabularx documentation and that is, don't do that:-)

– David Carlisle
Jan 30 '17 at 11:29





I do not know your intended design but any output made by tabularx given widths of 1+.005+.15 is entirely accidental , there is only one rule in the tabularx documentation and that is, don't do that:-)

– David Carlisle
Jan 30 '17 at 11:29













I agree since I found your example below ... . Sorry, I couldn't wait. ;-)

– Krumpel
Jan 30 '17 at 11:38





I agree since I found your example below ... . Sorry, I couldn't wait. ;-)

– Krumpel
Jan 30 '17 at 11:38










2 Answers
2






active

oldest

votes


















3














It's easiest to just put the multicolumn in the second row, leaving an empty first row that you can back up with a negative vspace. I also fixed your ibs definitions.



enter image description here



documentclass[]{article}
usepackage[utf8]{inputenc}
usepackage[T1]{fontenc}


usepackage[most]{tcolorbox}
usepackage{tabularx}
usepackage{array}
usepackage{colortbl}
tcbuselibrary{skins}

begin{document}

newcolumntype{b}{>{hsize=2.8hsize}X}
newcolumntype{i}{>{hsize=.05hsize}X}
newcolumntype{s}{>{hsize=.15hsize}X}

begin{table}
begin{center}
errorcontextlines400
tracingonline2

%tracingall
begin{tcolorbox}[colback=black!0.8!white,colframe=black!4!white,
colbacktitle=gray!40!white, coltitle=black,width=1.0linewidth,tabularx={ibs}]%
\
noalign{vspace{-normalbaselineskip}}
multicolumn{2}{b}{Number}
& 11 \hline
& part a & 38 \hline
& part b & 4 \hline
& part c & 2 \hlinehline
multicolumn{2}{l}{Blabla 1} & 217 \hline
multicolumn{2}{l}{Blabla 2} & 20 \hline
multicolumn{2}{l}{Blabla 1} & 105 \hline
multicolumn{2}{l}{Blabla 1} & 3100 \hline
multicolumn{2}{l}{Blabla 1} & 367
end{tcolorbox}
end{center}
end{table}

vspace{3cm}

begin{center}
begin{tabularx}{1.0linewidth}{ibs}
multicolumn{2}{b}{Number} & 11 \hline
& part a & 38 \hline
& part b & 4 \hline
& part c & 2 \hlinehline
multicolumn{2}{l}{Blabla 1} & 217 \hline
multicolumn{2}{l}{Blabla 2} & 20 \hline
multicolumn{2}{l}{Blabla 1} & 105 \hline
multicolumn{2}{l}{Blabla 1} & 3100 \hline
multicolumn{2}{l}{Blabla 1} & 367end{tabularx}
end{center}

vspace{3cm}

end{document}





share|improve this answer
























  • Excellent, thanks a lot, it works! Q: Why must one insert first an empty row? Is that due to a 'bug'?

    – Krumpel
    Jan 30 '17 at 11:39






  • 1





    @Krumpel multicolumn has to be the first thing in the cell otherwise the cell template gets added and it is too late to substitute the spanning information. even invisible stuff like relax or {} is enough to break it. So somewhere in the many lines of tcolorbox keyval processing it is is constructing a call to tabularx with {} or relax or something:-) after the {ibs} argument. I could spend a day tracing where but it's easier to write off that row and start again on the next row:-) (it may be worth giving the tcolorbox author a link to this, would be easier for him to trace)

    – David Carlisle
    Jan 30 '17 at 11:47






  • 1





    @Krumpel This is a tcolorbox bug, which has been reported today. By the moment, Thomas F. Sturm has provided a provisional hack to solve the problem. You can see how to use it in the update section of this answer

    – Ignasi
    Feb 20 at 16:00





















1














This problem has been solved with tcolorbox v4.20. Now, multicolumn option can be used in top most row without problems.



OP's code



documentclass[]{article}
usepackage[utf8]{inputenc}
usepackage[T1]{fontenc}

usepackage[most]{tcolorbox}
usepackage{tabularx}
usepackage{array}
usepackage{colortbl}
tcbuselibrary{skins}

begin{document}

newcolumntype{b}{X}
newcolumntype{i}{>{hsize=.005hsize}X}
newcolumntype{s}{>{hsize=.15hsize}X}

begin{table}
begin{center}
begin{tcolorbox}[colback=black!0.8!white,colframe=black!4!white,
colbacktitle=gray!40!white, coltitle=black,width=1.0linewidth,tabularx={ibs}]
multicolumn{2}{b}{Number} & 11 \hline
& part a & 38 \hline
& part b & 4 \hline
& part c & 2 \hlinehline
multicolumn{2}{l}{Blabla 1} & 217 \hline
multicolumn{2}{l}{Blabla 2} & 20 \hline
multicolumn{2}{l}{Blabla 1} & 105 \hline
multicolumn{2}{l}{Blabla 1} & 3100 \hline
multicolumn{2}{l}{Blabla 1} & 367
end{tcolorbox}
end{center}
end{table}

vspace{3cm}

begin{center}
begin{tabularx}{1.0linewidth}{ibs}
multicolumn{2}{b}{Number} & 11 \hline
& part a & 38 \hline
& part b & 4 \hline
& part c & 2 \hlinehline
multicolumn{2}{l}{Blabla 1} & 217 \hline
multicolumn{2}{l}{Blabla 2} & 20 \hline
multicolumn{2}{l}{Blabla 1} & 105 \hline
multicolumn{2}{l}{Blabla 1} & 3100 \hline
multicolumn{2}{l}{Blabla 1} & 367end{tabularx}
end{center}

vspace{3cm}

end{document}


produces the expected result without any error message



enter image description here






share|improve this answer























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    2 Answers
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    2 Answers
    2






    active

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    votes









    active

    oldest

    votes






    active

    oldest

    votes









    3














    It's easiest to just put the multicolumn in the second row, leaving an empty first row that you can back up with a negative vspace. I also fixed your ibs definitions.



    enter image description here



    documentclass[]{article}
    usepackage[utf8]{inputenc}
    usepackage[T1]{fontenc}


    usepackage[most]{tcolorbox}
    usepackage{tabularx}
    usepackage{array}
    usepackage{colortbl}
    tcbuselibrary{skins}

    begin{document}

    newcolumntype{b}{>{hsize=2.8hsize}X}
    newcolumntype{i}{>{hsize=.05hsize}X}
    newcolumntype{s}{>{hsize=.15hsize}X}

    begin{table}
    begin{center}
    errorcontextlines400
    tracingonline2

    %tracingall
    begin{tcolorbox}[colback=black!0.8!white,colframe=black!4!white,
    colbacktitle=gray!40!white, coltitle=black,width=1.0linewidth,tabularx={ibs}]%
    \
    noalign{vspace{-normalbaselineskip}}
    multicolumn{2}{b}{Number}
    & 11 \hline
    & part a & 38 \hline
    & part b & 4 \hline
    & part c & 2 \hlinehline
    multicolumn{2}{l}{Blabla 1} & 217 \hline
    multicolumn{2}{l}{Blabla 2} & 20 \hline
    multicolumn{2}{l}{Blabla 1} & 105 \hline
    multicolumn{2}{l}{Blabla 1} & 3100 \hline
    multicolumn{2}{l}{Blabla 1} & 367
    end{tcolorbox}
    end{center}
    end{table}

    vspace{3cm}

    begin{center}
    begin{tabularx}{1.0linewidth}{ibs}
    multicolumn{2}{b}{Number} & 11 \hline
    & part a & 38 \hline
    & part b & 4 \hline
    & part c & 2 \hlinehline
    multicolumn{2}{l}{Blabla 1} & 217 \hline
    multicolumn{2}{l}{Blabla 2} & 20 \hline
    multicolumn{2}{l}{Blabla 1} & 105 \hline
    multicolumn{2}{l}{Blabla 1} & 3100 \hline
    multicolumn{2}{l}{Blabla 1} & 367end{tabularx}
    end{center}

    vspace{3cm}

    end{document}





    share|improve this answer
























    • Excellent, thanks a lot, it works! Q: Why must one insert first an empty row? Is that due to a 'bug'?

      – Krumpel
      Jan 30 '17 at 11:39






    • 1





      @Krumpel multicolumn has to be the first thing in the cell otherwise the cell template gets added and it is too late to substitute the spanning information. even invisible stuff like relax or {} is enough to break it. So somewhere in the many lines of tcolorbox keyval processing it is is constructing a call to tabularx with {} or relax or something:-) after the {ibs} argument. I could spend a day tracing where but it's easier to write off that row and start again on the next row:-) (it may be worth giving the tcolorbox author a link to this, would be easier for him to trace)

      – David Carlisle
      Jan 30 '17 at 11:47






    • 1





      @Krumpel This is a tcolorbox bug, which has been reported today. By the moment, Thomas F. Sturm has provided a provisional hack to solve the problem. You can see how to use it in the update section of this answer

      – Ignasi
      Feb 20 at 16:00


















    3














    It's easiest to just put the multicolumn in the second row, leaving an empty first row that you can back up with a negative vspace. I also fixed your ibs definitions.



    enter image description here



    documentclass[]{article}
    usepackage[utf8]{inputenc}
    usepackage[T1]{fontenc}


    usepackage[most]{tcolorbox}
    usepackage{tabularx}
    usepackage{array}
    usepackage{colortbl}
    tcbuselibrary{skins}

    begin{document}

    newcolumntype{b}{>{hsize=2.8hsize}X}
    newcolumntype{i}{>{hsize=.05hsize}X}
    newcolumntype{s}{>{hsize=.15hsize}X}

    begin{table}
    begin{center}
    errorcontextlines400
    tracingonline2

    %tracingall
    begin{tcolorbox}[colback=black!0.8!white,colframe=black!4!white,
    colbacktitle=gray!40!white, coltitle=black,width=1.0linewidth,tabularx={ibs}]%
    \
    noalign{vspace{-normalbaselineskip}}
    multicolumn{2}{b}{Number}
    & 11 \hline
    & part a & 38 \hline
    & part b & 4 \hline
    & part c & 2 \hlinehline
    multicolumn{2}{l}{Blabla 1} & 217 \hline
    multicolumn{2}{l}{Blabla 2} & 20 \hline
    multicolumn{2}{l}{Blabla 1} & 105 \hline
    multicolumn{2}{l}{Blabla 1} & 3100 \hline
    multicolumn{2}{l}{Blabla 1} & 367
    end{tcolorbox}
    end{center}
    end{table}

    vspace{3cm}

    begin{center}
    begin{tabularx}{1.0linewidth}{ibs}
    multicolumn{2}{b}{Number} & 11 \hline
    & part a & 38 \hline
    & part b & 4 \hline
    & part c & 2 \hlinehline
    multicolumn{2}{l}{Blabla 1} & 217 \hline
    multicolumn{2}{l}{Blabla 2} & 20 \hline
    multicolumn{2}{l}{Blabla 1} & 105 \hline
    multicolumn{2}{l}{Blabla 1} & 3100 \hline
    multicolumn{2}{l}{Blabla 1} & 367end{tabularx}
    end{center}

    vspace{3cm}

    end{document}





    share|improve this answer
























    • Excellent, thanks a lot, it works! Q: Why must one insert first an empty row? Is that due to a 'bug'?

      – Krumpel
      Jan 30 '17 at 11:39






    • 1





      @Krumpel multicolumn has to be the first thing in the cell otherwise the cell template gets added and it is too late to substitute the spanning information. even invisible stuff like relax or {} is enough to break it. So somewhere in the many lines of tcolorbox keyval processing it is is constructing a call to tabularx with {} or relax or something:-) after the {ibs} argument. I could spend a day tracing where but it's easier to write off that row and start again on the next row:-) (it may be worth giving the tcolorbox author a link to this, would be easier for him to trace)

      – David Carlisle
      Jan 30 '17 at 11:47






    • 1





      @Krumpel This is a tcolorbox bug, which has been reported today. By the moment, Thomas F. Sturm has provided a provisional hack to solve the problem. You can see how to use it in the update section of this answer

      – Ignasi
      Feb 20 at 16:00
















    3












    3








    3







    It's easiest to just put the multicolumn in the second row, leaving an empty first row that you can back up with a negative vspace. I also fixed your ibs definitions.



    enter image description here



    documentclass[]{article}
    usepackage[utf8]{inputenc}
    usepackage[T1]{fontenc}


    usepackage[most]{tcolorbox}
    usepackage{tabularx}
    usepackage{array}
    usepackage{colortbl}
    tcbuselibrary{skins}

    begin{document}

    newcolumntype{b}{>{hsize=2.8hsize}X}
    newcolumntype{i}{>{hsize=.05hsize}X}
    newcolumntype{s}{>{hsize=.15hsize}X}

    begin{table}
    begin{center}
    errorcontextlines400
    tracingonline2

    %tracingall
    begin{tcolorbox}[colback=black!0.8!white,colframe=black!4!white,
    colbacktitle=gray!40!white, coltitle=black,width=1.0linewidth,tabularx={ibs}]%
    \
    noalign{vspace{-normalbaselineskip}}
    multicolumn{2}{b}{Number}
    & 11 \hline
    & part a & 38 \hline
    & part b & 4 \hline
    & part c & 2 \hlinehline
    multicolumn{2}{l}{Blabla 1} & 217 \hline
    multicolumn{2}{l}{Blabla 2} & 20 \hline
    multicolumn{2}{l}{Blabla 1} & 105 \hline
    multicolumn{2}{l}{Blabla 1} & 3100 \hline
    multicolumn{2}{l}{Blabla 1} & 367
    end{tcolorbox}
    end{center}
    end{table}

    vspace{3cm}

    begin{center}
    begin{tabularx}{1.0linewidth}{ibs}
    multicolumn{2}{b}{Number} & 11 \hline
    & part a & 38 \hline
    & part b & 4 \hline
    & part c & 2 \hlinehline
    multicolumn{2}{l}{Blabla 1} & 217 \hline
    multicolumn{2}{l}{Blabla 2} & 20 \hline
    multicolumn{2}{l}{Blabla 1} & 105 \hline
    multicolumn{2}{l}{Blabla 1} & 3100 \hline
    multicolumn{2}{l}{Blabla 1} & 367end{tabularx}
    end{center}

    vspace{3cm}

    end{document}





    share|improve this answer













    It's easiest to just put the multicolumn in the second row, leaving an empty first row that you can back up with a negative vspace. I also fixed your ibs definitions.



    enter image description here



    documentclass[]{article}
    usepackage[utf8]{inputenc}
    usepackage[T1]{fontenc}


    usepackage[most]{tcolorbox}
    usepackage{tabularx}
    usepackage{array}
    usepackage{colortbl}
    tcbuselibrary{skins}

    begin{document}

    newcolumntype{b}{>{hsize=2.8hsize}X}
    newcolumntype{i}{>{hsize=.05hsize}X}
    newcolumntype{s}{>{hsize=.15hsize}X}

    begin{table}
    begin{center}
    errorcontextlines400
    tracingonline2

    %tracingall
    begin{tcolorbox}[colback=black!0.8!white,colframe=black!4!white,
    colbacktitle=gray!40!white, coltitle=black,width=1.0linewidth,tabularx={ibs}]%
    \
    noalign{vspace{-normalbaselineskip}}
    multicolumn{2}{b}{Number}
    & 11 \hline
    & part a & 38 \hline
    & part b & 4 \hline
    & part c & 2 \hlinehline
    multicolumn{2}{l}{Blabla 1} & 217 \hline
    multicolumn{2}{l}{Blabla 2} & 20 \hline
    multicolumn{2}{l}{Blabla 1} & 105 \hline
    multicolumn{2}{l}{Blabla 1} & 3100 \hline
    multicolumn{2}{l}{Blabla 1} & 367
    end{tcolorbox}
    end{center}
    end{table}

    vspace{3cm}

    begin{center}
    begin{tabularx}{1.0linewidth}{ibs}
    multicolumn{2}{b}{Number} & 11 \hline
    & part a & 38 \hline
    & part b & 4 \hline
    & part c & 2 \hlinehline
    multicolumn{2}{l}{Blabla 1} & 217 \hline
    multicolumn{2}{l}{Blabla 2} & 20 \hline
    multicolumn{2}{l}{Blabla 1} & 105 \hline
    multicolumn{2}{l}{Blabla 1} & 3100 \hline
    multicolumn{2}{l}{Blabla 1} & 367end{tabularx}
    end{center}

    vspace{3cm}

    end{document}






    share|improve this answer












    share|improve this answer



    share|improve this answer










    answered Jan 30 '17 at 11:27









    David CarlisleDavid Carlisle

    493k4111371885




    493k4111371885













    • Excellent, thanks a lot, it works! Q: Why must one insert first an empty row? Is that due to a 'bug'?

      – Krumpel
      Jan 30 '17 at 11:39






    • 1





      @Krumpel multicolumn has to be the first thing in the cell otherwise the cell template gets added and it is too late to substitute the spanning information. even invisible stuff like relax or {} is enough to break it. So somewhere in the many lines of tcolorbox keyval processing it is is constructing a call to tabularx with {} or relax or something:-) after the {ibs} argument. I could spend a day tracing where but it's easier to write off that row and start again on the next row:-) (it may be worth giving the tcolorbox author a link to this, would be easier for him to trace)

      – David Carlisle
      Jan 30 '17 at 11:47






    • 1





      @Krumpel This is a tcolorbox bug, which has been reported today. By the moment, Thomas F. Sturm has provided a provisional hack to solve the problem. You can see how to use it in the update section of this answer

      – Ignasi
      Feb 20 at 16:00





















    • Excellent, thanks a lot, it works! Q: Why must one insert first an empty row? Is that due to a 'bug'?

      – Krumpel
      Jan 30 '17 at 11:39






    • 1





      @Krumpel multicolumn has to be the first thing in the cell otherwise the cell template gets added and it is too late to substitute the spanning information. even invisible stuff like relax or {} is enough to break it. So somewhere in the many lines of tcolorbox keyval processing it is is constructing a call to tabularx with {} or relax or something:-) after the {ibs} argument. I could spend a day tracing where but it's easier to write off that row and start again on the next row:-) (it may be worth giving the tcolorbox author a link to this, would be easier for him to trace)

      – David Carlisle
      Jan 30 '17 at 11:47






    • 1





      @Krumpel This is a tcolorbox bug, which has been reported today. By the moment, Thomas F. Sturm has provided a provisional hack to solve the problem. You can see how to use it in the update section of this answer

      – Ignasi
      Feb 20 at 16:00



















    Excellent, thanks a lot, it works! Q: Why must one insert first an empty row? Is that due to a 'bug'?

    – Krumpel
    Jan 30 '17 at 11:39





    Excellent, thanks a lot, it works! Q: Why must one insert first an empty row? Is that due to a 'bug'?

    – Krumpel
    Jan 30 '17 at 11:39




    1




    1





    @Krumpel multicolumn has to be the first thing in the cell otherwise the cell template gets added and it is too late to substitute the spanning information. even invisible stuff like relax or {} is enough to break it. So somewhere in the many lines of tcolorbox keyval processing it is is constructing a call to tabularx with {} or relax or something:-) after the {ibs} argument. I could spend a day tracing where but it's easier to write off that row and start again on the next row:-) (it may be worth giving the tcolorbox author a link to this, would be easier for him to trace)

    – David Carlisle
    Jan 30 '17 at 11:47





    @Krumpel multicolumn has to be the first thing in the cell otherwise the cell template gets added and it is too late to substitute the spanning information. even invisible stuff like relax or {} is enough to break it. So somewhere in the many lines of tcolorbox keyval processing it is is constructing a call to tabularx with {} or relax or something:-) after the {ibs} argument. I could spend a day tracing where but it's easier to write off that row and start again on the next row:-) (it may be worth giving the tcolorbox author a link to this, would be easier for him to trace)

    – David Carlisle
    Jan 30 '17 at 11:47




    1




    1





    @Krumpel This is a tcolorbox bug, which has been reported today. By the moment, Thomas F. Sturm has provided a provisional hack to solve the problem. You can see how to use it in the update section of this answer

    – Ignasi
    Feb 20 at 16:00







    @Krumpel This is a tcolorbox bug, which has been reported today. By the moment, Thomas F. Sturm has provided a provisional hack to solve the problem. You can see how to use it in the update section of this answer

    – Ignasi
    Feb 20 at 16:00













    1














    This problem has been solved with tcolorbox v4.20. Now, multicolumn option can be used in top most row without problems.



    OP's code



    documentclass[]{article}
    usepackage[utf8]{inputenc}
    usepackage[T1]{fontenc}

    usepackage[most]{tcolorbox}
    usepackage{tabularx}
    usepackage{array}
    usepackage{colortbl}
    tcbuselibrary{skins}

    begin{document}

    newcolumntype{b}{X}
    newcolumntype{i}{>{hsize=.005hsize}X}
    newcolumntype{s}{>{hsize=.15hsize}X}

    begin{table}
    begin{center}
    begin{tcolorbox}[colback=black!0.8!white,colframe=black!4!white,
    colbacktitle=gray!40!white, coltitle=black,width=1.0linewidth,tabularx={ibs}]
    multicolumn{2}{b}{Number} & 11 \hline
    & part a & 38 \hline
    & part b & 4 \hline
    & part c & 2 \hlinehline
    multicolumn{2}{l}{Blabla 1} & 217 \hline
    multicolumn{2}{l}{Blabla 2} & 20 \hline
    multicolumn{2}{l}{Blabla 1} & 105 \hline
    multicolumn{2}{l}{Blabla 1} & 3100 \hline
    multicolumn{2}{l}{Blabla 1} & 367
    end{tcolorbox}
    end{center}
    end{table}

    vspace{3cm}

    begin{center}
    begin{tabularx}{1.0linewidth}{ibs}
    multicolumn{2}{b}{Number} & 11 \hline
    & part a & 38 \hline
    & part b & 4 \hline
    & part c & 2 \hlinehline
    multicolumn{2}{l}{Blabla 1} & 217 \hline
    multicolumn{2}{l}{Blabla 2} & 20 \hline
    multicolumn{2}{l}{Blabla 1} & 105 \hline
    multicolumn{2}{l}{Blabla 1} & 3100 \hline
    multicolumn{2}{l}{Blabla 1} & 367end{tabularx}
    end{center}

    vspace{3cm}

    end{document}


    produces the expected result without any error message



    enter image description here






    share|improve this answer




























      1














      This problem has been solved with tcolorbox v4.20. Now, multicolumn option can be used in top most row without problems.



      OP's code



      documentclass[]{article}
      usepackage[utf8]{inputenc}
      usepackage[T1]{fontenc}

      usepackage[most]{tcolorbox}
      usepackage{tabularx}
      usepackage{array}
      usepackage{colortbl}
      tcbuselibrary{skins}

      begin{document}

      newcolumntype{b}{X}
      newcolumntype{i}{>{hsize=.005hsize}X}
      newcolumntype{s}{>{hsize=.15hsize}X}

      begin{table}
      begin{center}
      begin{tcolorbox}[colback=black!0.8!white,colframe=black!4!white,
      colbacktitle=gray!40!white, coltitle=black,width=1.0linewidth,tabularx={ibs}]
      multicolumn{2}{b}{Number} & 11 \hline
      & part a & 38 \hline
      & part b & 4 \hline
      & part c & 2 \hlinehline
      multicolumn{2}{l}{Blabla 1} & 217 \hline
      multicolumn{2}{l}{Blabla 2} & 20 \hline
      multicolumn{2}{l}{Blabla 1} & 105 \hline
      multicolumn{2}{l}{Blabla 1} & 3100 \hline
      multicolumn{2}{l}{Blabla 1} & 367
      end{tcolorbox}
      end{center}
      end{table}

      vspace{3cm}

      begin{center}
      begin{tabularx}{1.0linewidth}{ibs}
      multicolumn{2}{b}{Number} & 11 \hline
      & part a & 38 \hline
      & part b & 4 \hline
      & part c & 2 \hlinehline
      multicolumn{2}{l}{Blabla 1} & 217 \hline
      multicolumn{2}{l}{Blabla 2} & 20 \hline
      multicolumn{2}{l}{Blabla 1} & 105 \hline
      multicolumn{2}{l}{Blabla 1} & 3100 \hline
      multicolumn{2}{l}{Blabla 1} & 367end{tabularx}
      end{center}

      vspace{3cm}

      end{document}


      produces the expected result without any error message



      enter image description here






      share|improve this answer


























        1












        1








        1







        This problem has been solved with tcolorbox v4.20. Now, multicolumn option can be used in top most row without problems.



        OP's code



        documentclass[]{article}
        usepackage[utf8]{inputenc}
        usepackage[T1]{fontenc}

        usepackage[most]{tcolorbox}
        usepackage{tabularx}
        usepackage{array}
        usepackage{colortbl}
        tcbuselibrary{skins}

        begin{document}

        newcolumntype{b}{X}
        newcolumntype{i}{>{hsize=.005hsize}X}
        newcolumntype{s}{>{hsize=.15hsize}X}

        begin{table}
        begin{center}
        begin{tcolorbox}[colback=black!0.8!white,colframe=black!4!white,
        colbacktitle=gray!40!white, coltitle=black,width=1.0linewidth,tabularx={ibs}]
        multicolumn{2}{b}{Number} & 11 \hline
        & part a & 38 \hline
        & part b & 4 \hline
        & part c & 2 \hlinehline
        multicolumn{2}{l}{Blabla 1} & 217 \hline
        multicolumn{2}{l}{Blabla 2} & 20 \hline
        multicolumn{2}{l}{Blabla 1} & 105 \hline
        multicolumn{2}{l}{Blabla 1} & 3100 \hline
        multicolumn{2}{l}{Blabla 1} & 367
        end{tcolorbox}
        end{center}
        end{table}

        vspace{3cm}

        begin{center}
        begin{tabularx}{1.0linewidth}{ibs}
        multicolumn{2}{b}{Number} & 11 \hline
        & part a & 38 \hline
        & part b & 4 \hline
        & part c & 2 \hlinehline
        multicolumn{2}{l}{Blabla 1} & 217 \hline
        multicolumn{2}{l}{Blabla 2} & 20 \hline
        multicolumn{2}{l}{Blabla 1} & 105 \hline
        multicolumn{2}{l}{Blabla 1} & 3100 \hline
        multicolumn{2}{l}{Blabla 1} & 367end{tabularx}
        end{center}

        vspace{3cm}

        end{document}


        produces the expected result without any error message



        enter image description here






        share|improve this answer













        This problem has been solved with tcolorbox v4.20. Now, multicolumn option can be used in top most row without problems.



        OP's code



        documentclass[]{article}
        usepackage[utf8]{inputenc}
        usepackage[T1]{fontenc}

        usepackage[most]{tcolorbox}
        usepackage{tabularx}
        usepackage{array}
        usepackage{colortbl}
        tcbuselibrary{skins}

        begin{document}

        newcolumntype{b}{X}
        newcolumntype{i}{>{hsize=.005hsize}X}
        newcolumntype{s}{>{hsize=.15hsize}X}

        begin{table}
        begin{center}
        begin{tcolorbox}[colback=black!0.8!white,colframe=black!4!white,
        colbacktitle=gray!40!white, coltitle=black,width=1.0linewidth,tabularx={ibs}]
        multicolumn{2}{b}{Number} & 11 \hline
        & part a & 38 \hline
        & part b & 4 \hline
        & part c & 2 \hlinehline
        multicolumn{2}{l}{Blabla 1} & 217 \hline
        multicolumn{2}{l}{Blabla 2} & 20 \hline
        multicolumn{2}{l}{Blabla 1} & 105 \hline
        multicolumn{2}{l}{Blabla 1} & 3100 \hline
        multicolumn{2}{l}{Blabla 1} & 367
        end{tcolorbox}
        end{center}
        end{table}

        vspace{3cm}

        begin{center}
        begin{tabularx}{1.0linewidth}{ibs}
        multicolumn{2}{b}{Number} & 11 \hline
        & part a & 38 \hline
        & part b & 4 \hline
        & part c & 2 \hlinehline
        multicolumn{2}{l}{Blabla 1} & 217 \hline
        multicolumn{2}{l}{Blabla 2} & 20 \hline
        multicolumn{2}{l}{Blabla 1} & 105 \hline
        multicolumn{2}{l}{Blabla 1} & 3100 \hline
        multicolumn{2}{l}{Blabla 1} & 367end{tabularx}
        end{center}

        vspace{3cm}

        end{document}


        produces the expected result without any error message



        enter image description here







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered 17 hours ago









        IgnasiIgnasi

        93.9k4170312




        93.9k4170312






























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