Placeholder number with siunitx












2















I would like to add a placeholder number in my text, to remind me that I still have to look it up, later. I usually just use something like "XYZ" or "???" for this. But when I'm using the SI notation I get an error that "?" is not a number.



documentclass{article} 
usepackage{siunitx}

begin{document}
I don't know yet what number to place here: SI{???}{percent}.
end{document}


The error I get is:



siunitx error: "invalid-token-in-number" Invalid token '?' in numerical input. For immediate help type H <return>. ...at number to place here: SI{???}{percent}


What is the best/suggested way to add a placeholder number or symbol in SI-notation?










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  • 2





    My welcome into the site of TeX.SE.

    – Sebastiano
    3 hours ago
















2















I would like to add a placeholder number in my text, to remind me that I still have to look it up, later. I usually just use something like "XYZ" or "???" for this. But when I'm using the SI notation I get an error that "?" is not a number.



documentclass{article} 
usepackage{siunitx}

begin{document}
I don't know yet what number to place here: SI{???}{percent}.
end{document}


The error I get is:



siunitx error: "invalid-token-in-number" Invalid token '?' in numerical input. For immediate help type H <return>. ...at number to place here: SI{???}{percent}


What is the best/suggested way to add a placeholder number or symbol in SI-notation?










share|improve this question







New contributor




Vincent W. is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
















  • 2





    My welcome into the site of TeX.SE.

    – Sebastiano
    3 hours ago














2












2








2








I would like to add a placeholder number in my text, to remind me that I still have to look it up, later. I usually just use something like "XYZ" or "???" for this. But when I'm using the SI notation I get an error that "?" is not a number.



documentclass{article} 
usepackage{siunitx}

begin{document}
I don't know yet what number to place here: SI{???}{percent}.
end{document}


The error I get is:



siunitx error: "invalid-token-in-number" Invalid token '?' in numerical input. For immediate help type H <return>. ...at number to place here: SI{???}{percent}


What is the best/suggested way to add a placeholder number or symbol in SI-notation?










share|improve this question







New contributor




Vincent W. is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.












I would like to add a placeholder number in my text, to remind me that I still have to look it up, later. I usually just use something like "XYZ" or "???" for this. But when I'm using the SI notation I get an error that "?" is not a number.



documentclass{article} 
usepackage{siunitx}

begin{document}
I don't know yet what number to place here: SI{???}{percent}.
end{document}


The error I get is:



siunitx error: "invalid-token-in-number" Invalid token '?' in numerical input. For immediate help type H <return>. ...at number to place here: SI{???}{percent}


What is the best/suggested way to add a placeholder number or symbol in SI-notation?







siunitx






share|improve this question







New contributor




Vincent W. is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











share|improve this question







New contributor




Vincent W. is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









share|improve this question




share|improve this question






New contributor




Vincent W. is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









asked 4 hours ago









Vincent W.Vincent W.

132




132




New contributor




Vincent W. is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.





New contributor





Vincent W. is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.






Vincent W. is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.








  • 2





    My welcome into the site of TeX.SE.

    – Sebastiano
    3 hours ago














  • 2





    My welcome into the site of TeX.SE.

    – Sebastiano
    3 hours ago








2




2





My welcome into the site of TeX.SE.

– Sebastiano
3 hours ago





My welcome into the site of TeX.SE.

– Sebastiano
3 hours ago










1 Answer
1






active

oldest

votes


















3














You can pretend that ? is a valid input 'symbol' such as pi.



documentclass{article} 
usepackage{siunitx}
sisetup{
input-symbols={?},
}

begin{document}
I don't know yet what number to place here: SI{???}{percent}.
end{document}


The same works for XYZ



documentclass{article}
usepackage{siunitx}
sisetup{
input-symbols={XYZ},
}

begin{document}
I don't know yet what number to place here: SI{XYZ}{percent}.
end{document}




Alternatively, you could stop siunitx from parsing numbers. Either globally with sisetup{parse-numbers=false} or locally with SI[parse-numbers=false]{???}{percent}.






share|improve this answer
























  • That works perfectly. Thanks for the quick answer! I'm curious, though. Can you explain why there is a small gap between the first and second character, when I use the 'input-symbols={?}' method? It looks something like "? ?? %" or "X YZ %". If I disable number parsing it looks as expected, like "??? %".

    – Vincent W.
    3 hours ago











  • I have understood that the OP didn't know what to put in the place of the ???

    – Sebastiano
    3 hours ago











  • @VincentW. It seems that siunitx still groups the ? as if they were normal digits. In the MWE I get ?, ??, ???, ????, ??,??? etc. pp. I do not get ?,?? though... With parse-numbers=false that digit grouping does not happen.

    – moewe
    3 hours ago











  • @moewe I get ?, ??, ?,??, ?,?,??, ??,?,??. But regular 1234 when I use numbers. Strange... But also not really important. Maybe some language settings...

    – Vincent W.
    3 hours ago











  • @VincentW. Would have been my guess as well, I didn't find anything in the docs on a quick read, though. Do you get that result with my MWE or in your larger document?

    – moewe
    3 hours ago












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1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes









3














You can pretend that ? is a valid input 'symbol' such as pi.



documentclass{article} 
usepackage{siunitx}
sisetup{
input-symbols={?},
}

begin{document}
I don't know yet what number to place here: SI{???}{percent}.
end{document}


The same works for XYZ



documentclass{article}
usepackage{siunitx}
sisetup{
input-symbols={XYZ},
}

begin{document}
I don't know yet what number to place here: SI{XYZ}{percent}.
end{document}




Alternatively, you could stop siunitx from parsing numbers. Either globally with sisetup{parse-numbers=false} or locally with SI[parse-numbers=false]{???}{percent}.






share|improve this answer
























  • That works perfectly. Thanks for the quick answer! I'm curious, though. Can you explain why there is a small gap between the first and second character, when I use the 'input-symbols={?}' method? It looks something like "? ?? %" or "X YZ %". If I disable number parsing it looks as expected, like "??? %".

    – Vincent W.
    3 hours ago











  • I have understood that the OP didn't know what to put in the place of the ???

    – Sebastiano
    3 hours ago











  • @VincentW. It seems that siunitx still groups the ? as if they were normal digits. In the MWE I get ?, ??, ???, ????, ??,??? etc. pp. I do not get ?,?? though... With parse-numbers=false that digit grouping does not happen.

    – moewe
    3 hours ago











  • @moewe I get ?, ??, ?,??, ?,?,??, ??,?,??. But regular 1234 when I use numbers. Strange... But also not really important. Maybe some language settings...

    – Vincent W.
    3 hours ago











  • @VincentW. Would have been my guess as well, I didn't find anything in the docs on a quick read, though. Do you get that result with my MWE or in your larger document?

    – moewe
    3 hours ago
















3














You can pretend that ? is a valid input 'symbol' such as pi.



documentclass{article} 
usepackage{siunitx}
sisetup{
input-symbols={?},
}

begin{document}
I don't know yet what number to place here: SI{???}{percent}.
end{document}


The same works for XYZ



documentclass{article}
usepackage{siunitx}
sisetup{
input-symbols={XYZ},
}

begin{document}
I don't know yet what number to place here: SI{XYZ}{percent}.
end{document}




Alternatively, you could stop siunitx from parsing numbers. Either globally with sisetup{parse-numbers=false} or locally with SI[parse-numbers=false]{???}{percent}.






share|improve this answer
























  • That works perfectly. Thanks for the quick answer! I'm curious, though. Can you explain why there is a small gap between the first and second character, when I use the 'input-symbols={?}' method? It looks something like "? ?? %" or "X YZ %". If I disable number parsing it looks as expected, like "??? %".

    – Vincent W.
    3 hours ago











  • I have understood that the OP didn't know what to put in the place of the ???

    – Sebastiano
    3 hours ago











  • @VincentW. It seems that siunitx still groups the ? as if they were normal digits. In the MWE I get ?, ??, ???, ????, ??,??? etc. pp. I do not get ?,?? though... With parse-numbers=false that digit grouping does not happen.

    – moewe
    3 hours ago











  • @moewe I get ?, ??, ?,??, ?,?,??, ??,?,??. But regular 1234 when I use numbers. Strange... But also not really important. Maybe some language settings...

    – Vincent W.
    3 hours ago











  • @VincentW. Would have been my guess as well, I didn't find anything in the docs on a quick read, though. Do you get that result with my MWE or in your larger document?

    – moewe
    3 hours ago














3












3








3







You can pretend that ? is a valid input 'symbol' such as pi.



documentclass{article} 
usepackage{siunitx}
sisetup{
input-symbols={?},
}

begin{document}
I don't know yet what number to place here: SI{???}{percent}.
end{document}


The same works for XYZ



documentclass{article}
usepackage{siunitx}
sisetup{
input-symbols={XYZ},
}

begin{document}
I don't know yet what number to place here: SI{XYZ}{percent}.
end{document}




Alternatively, you could stop siunitx from parsing numbers. Either globally with sisetup{parse-numbers=false} or locally with SI[parse-numbers=false]{???}{percent}.






share|improve this answer













You can pretend that ? is a valid input 'symbol' such as pi.



documentclass{article} 
usepackage{siunitx}
sisetup{
input-symbols={?},
}

begin{document}
I don't know yet what number to place here: SI{???}{percent}.
end{document}


The same works for XYZ



documentclass{article}
usepackage{siunitx}
sisetup{
input-symbols={XYZ},
}

begin{document}
I don't know yet what number to place here: SI{XYZ}{percent}.
end{document}




Alternatively, you could stop siunitx from parsing numbers. Either globally with sisetup{parse-numbers=false} or locally with SI[parse-numbers=false]{???}{percent}.







share|improve this answer












share|improve this answer



share|improve this answer










answered 3 hours ago









moewemoewe

95.5k10116358




95.5k10116358













  • That works perfectly. Thanks for the quick answer! I'm curious, though. Can you explain why there is a small gap between the first and second character, when I use the 'input-symbols={?}' method? It looks something like "? ?? %" or "X YZ %". If I disable number parsing it looks as expected, like "??? %".

    – Vincent W.
    3 hours ago











  • I have understood that the OP didn't know what to put in the place of the ???

    – Sebastiano
    3 hours ago











  • @VincentW. It seems that siunitx still groups the ? as if they were normal digits. In the MWE I get ?, ??, ???, ????, ??,??? etc. pp. I do not get ?,?? though... With parse-numbers=false that digit grouping does not happen.

    – moewe
    3 hours ago











  • @moewe I get ?, ??, ?,??, ?,?,??, ??,?,??. But regular 1234 when I use numbers. Strange... But also not really important. Maybe some language settings...

    – Vincent W.
    3 hours ago











  • @VincentW. Would have been my guess as well, I didn't find anything in the docs on a quick read, though. Do you get that result with my MWE or in your larger document?

    – moewe
    3 hours ago



















  • That works perfectly. Thanks for the quick answer! I'm curious, though. Can you explain why there is a small gap between the first and second character, when I use the 'input-symbols={?}' method? It looks something like "? ?? %" or "X YZ %". If I disable number parsing it looks as expected, like "??? %".

    – Vincent W.
    3 hours ago











  • I have understood that the OP didn't know what to put in the place of the ???

    – Sebastiano
    3 hours ago











  • @VincentW. It seems that siunitx still groups the ? as if they were normal digits. In the MWE I get ?, ??, ???, ????, ??,??? etc. pp. I do not get ?,?? though... With parse-numbers=false that digit grouping does not happen.

    – moewe
    3 hours ago











  • @moewe I get ?, ??, ?,??, ?,?,??, ??,?,??. But regular 1234 when I use numbers. Strange... But also not really important. Maybe some language settings...

    – Vincent W.
    3 hours ago











  • @VincentW. Would have been my guess as well, I didn't find anything in the docs on a quick read, though. Do you get that result with my MWE or in your larger document?

    – moewe
    3 hours ago

















That works perfectly. Thanks for the quick answer! I'm curious, though. Can you explain why there is a small gap between the first and second character, when I use the 'input-symbols={?}' method? It looks something like "? ?? %" or "X YZ %". If I disable number parsing it looks as expected, like "??? %".

– Vincent W.
3 hours ago





That works perfectly. Thanks for the quick answer! I'm curious, though. Can you explain why there is a small gap between the first and second character, when I use the 'input-symbols={?}' method? It looks something like "? ?? %" or "X YZ %". If I disable number parsing it looks as expected, like "??? %".

– Vincent W.
3 hours ago













I have understood that the OP didn't know what to put in the place of the ???

– Sebastiano
3 hours ago





I have understood that the OP didn't know what to put in the place of the ???

– Sebastiano
3 hours ago













@VincentW. It seems that siunitx still groups the ? as if they were normal digits. In the MWE I get ?, ??, ???, ????, ??,??? etc. pp. I do not get ?,?? though... With parse-numbers=false that digit grouping does not happen.

– moewe
3 hours ago





@VincentW. It seems that siunitx still groups the ? as if they were normal digits. In the MWE I get ?, ??, ???, ????, ??,??? etc. pp. I do not get ?,?? though... With parse-numbers=false that digit grouping does not happen.

– moewe
3 hours ago













@moewe I get ?, ??, ?,??, ?,?,??, ??,?,??. But regular 1234 when I use numbers. Strange... But also not really important. Maybe some language settings...

– Vincent W.
3 hours ago





@moewe I get ?, ??, ?,??, ?,?,??, ??,?,??. But regular 1234 when I use numbers. Strange... But also not really important. Maybe some language settings...

– Vincent W.
3 hours ago













@VincentW. Would have been my guess as well, I didn't find anything in the docs on a quick read, though. Do you get that result with my MWE or in your larger document?

– moewe
3 hours ago





@VincentW. Would have been my guess as well, I didn't find anything in the docs on a quick read, though. Do you get that result with my MWE or in your larger document?

– moewe
3 hours ago










Vincent W. is a new contributor. Be nice, and check out our Code of Conduct.










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Vincent W. is a new contributor. Be nice, and check out our Code of Conduct.
















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