Writing Cyrillic text to a file












2















could you explain, what is going on?



I am using the latest MiKTeX 2.9.6960 64-bit version (installed just yesterday).



I am trying to write some Cyrillic text to the separate file without using inputenc package:



documentclass{article}

begin{document}

newwritetestwrite

immediateopenouttestwrite=testwrite.txt

immediatewritetestwrite{Ббббббббббббб}

immediatecloseouttestwrite

end{document}


But LaTeX does not tell me that there is something wrong with encoding, but instead of this it tells me that some its internal commands are undefined. Here is a part of the corresponding log-file:



! Undefined control sequence.
GenericError ...
#4 errhelp @err@ ...
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
let @err@ ...
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
@empty def MessageBreak...
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
endgroup
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
#4 errhelp @err@ ...
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
let @err@ ...
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
@empty def MessageBreak...
l.9 immediatewritetestwrite{Ббббббббббббб}


and so on.



Is it a bug or what is going on?



Thank for your answers.










share|improve this question









New contributor




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
















  • 1





    I suppose you are using pdfTeX, in which case Cyrillic characters aren't plain characters, but active ones. TeX expands characters when writing to a file, but you haven't declared any encoding for them. You'd have to use some verbatim approach to avoid the expansion of these characters, like the detokenize approach David just posted, the filecontents environment, or the verbwrite command I created here.

    – Phelype Oleinik
    9 hours ago


















2















could you explain, what is going on?



I am using the latest MiKTeX 2.9.6960 64-bit version (installed just yesterday).



I am trying to write some Cyrillic text to the separate file without using inputenc package:



documentclass{article}

begin{document}

newwritetestwrite

immediateopenouttestwrite=testwrite.txt

immediatewritetestwrite{Ббббббббббббб}

immediatecloseouttestwrite

end{document}


But LaTeX does not tell me that there is something wrong with encoding, but instead of this it tells me that some its internal commands are undefined. Here is a part of the corresponding log-file:



! Undefined control sequence.
GenericError ...
#4 errhelp @err@ ...
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
let @err@ ...
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
@empty def MessageBreak...
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
endgroup
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
#4 errhelp @err@ ...
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
let @err@ ...
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
@empty def MessageBreak...
l.9 immediatewritetestwrite{Ббббббббббббб}


and so on.



Is it a bug or what is going on?



Thank for your answers.










share|improve this question









New contributor




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
















  • 1





    I suppose you are using pdfTeX, in which case Cyrillic characters aren't plain characters, but active ones. TeX expands characters when writing to a file, but you haven't declared any encoding for them. You'd have to use some verbatim approach to avoid the expansion of these characters, like the detokenize approach David just posted, the filecontents environment, or the verbwrite command I created here.

    – Phelype Oleinik
    9 hours ago
















2












2








2








could you explain, what is going on?



I am using the latest MiKTeX 2.9.6960 64-bit version (installed just yesterday).



I am trying to write some Cyrillic text to the separate file without using inputenc package:



documentclass{article}

begin{document}

newwritetestwrite

immediateopenouttestwrite=testwrite.txt

immediatewritetestwrite{Ббббббббббббб}

immediatecloseouttestwrite

end{document}


But LaTeX does not tell me that there is something wrong with encoding, but instead of this it tells me that some its internal commands are undefined. Here is a part of the corresponding log-file:



! Undefined control sequence.
GenericError ...
#4 errhelp @err@ ...
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
let @err@ ...
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
@empty def MessageBreak...
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
endgroup
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
#4 errhelp @err@ ...
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
let @err@ ...
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
@empty def MessageBreak...
l.9 immediatewritetestwrite{Ббббббббббббб}


and so on.



Is it a bug or what is going on?



Thank for your answers.










share|improve this question









New contributor




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












could you explain, what is going on?



I am using the latest MiKTeX 2.9.6960 64-bit version (installed just yesterday).



I am trying to write some Cyrillic text to the separate file without using inputenc package:



documentclass{article}

begin{document}

newwritetestwrite

immediateopenouttestwrite=testwrite.txt

immediatewritetestwrite{Ббббббббббббб}

immediatecloseouttestwrite

end{document}


But LaTeX does not tell me that there is something wrong with encoding, but instead of this it tells me that some its internal commands are undefined. Here is a part of the corresponding log-file:



! Undefined control sequence.
GenericError ...
#4 errhelp @err@ ...
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
let @err@ ...
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
@empty def MessageBreak...
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
endgroup
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
#4 errhelp @err@ ...
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
let @err@ ...
l.9 immediatewritetestwrite{Ббббббббббббб}

?
! Undefined control sequence.
GenericError ...
@empty def MessageBreak...
l.9 immediatewritetestwrite{Ббббббббббббб}


and so on.



Is it a bug or what is going on?



Thank for your answers.







errors auxiliary-files cyrillic






share|improve this question









New contributor




Andrei Malokostov 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




Andrei Malokostov 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








edited 9 hours ago









David Carlisle

492k4111371885




492k4111371885






New contributor




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









asked 9 hours ago









Andrei MalokostovAndrei Malokostov

111




111




New contributor




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





New contributor





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






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








  • 1





    I suppose you are using pdfTeX, in which case Cyrillic characters aren't plain characters, but active ones. TeX expands characters when writing to a file, but you haven't declared any encoding for them. You'd have to use some verbatim approach to avoid the expansion of these characters, like the detokenize approach David just posted, the filecontents environment, or the verbwrite command I created here.

    – Phelype Oleinik
    9 hours ago
















  • 1





    I suppose you are using pdfTeX, in which case Cyrillic characters aren't plain characters, but active ones. TeX expands characters when writing to a file, but you haven't declared any encoding for them. You'd have to use some verbatim approach to avoid the expansion of these characters, like the detokenize approach David just posted, the filecontents environment, or the verbwrite command I created here.

    – Phelype Oleinik
    9 hours ago










1




1





I suppose you are using pdfTeX, in which case Cyrillic characters aren't plain characters, but active ones. TeX expands characters when writing to a file, but you haven't declared any encoding for them. You'd have to use some verbatim approach to avoid the expansion of these characters, like the detokenize approach David just posted, the filecontents environment, or the verbwrite command I created here.

– Phelype Oleinik
9 hours ago







I suppose you are using pdfTeX, in which case Cyrillic characters aren't plain characters, but active ones. TeX expands characters when writing to a file, but you haven't declared any encoding for them. You'd have to use some verbatim approach to avoid the expansion of these characters, like the detokenize approach David just posted, the filecontents environment, or the verbwrite command I created here.

– Phelype Oleinik
9 hours ago












2 Answers
2






active

oldest

votes


















6














The active characters are set up to expand to typesetting instructions (or to error messages saying that the character is not set up) you just want to write the text verbatim so:



documentclass{article}

begin{document}

newwritetestwrite

immediateopenouttestwrite=testwrite.txt

immediatewritetestwrite{detokenize{Ббббббббббббб}}

immediatecloseouttestwrite

end{document}





share|improve this answer
























  • Thank you so much, but as already I wrote below to Ulrike Fischer, my question was "Why LateX letts me that some its internal commands which are absolutely not related to my code are undefined". If I write Cyrillic text as a text, LaTeX tells me that Cyrillic letters have wrong Unicode codes. But if the Cyrillic text is inside write{...}, Latex tells me that GenericError command or some other comands inside it are undefined.

    – Andrei Malokostov
    6 hours ago











  • @AndreiMalokostov you are using a write command, which expands its argument completly without any precautions. It is easy to get such error messages with it if you put commands in its argument. If you want a better error message use makeatletter immediateprotected@write{...}.

    – Ulrike Fischer
    6 hours ago











  • OK, thank you so much. I thought from my 25+ year experience that TeX (and LateX also) have very good system of error messages, and these messages are quite informative. So I was very confused to get such strange (from my point of view) messages. But if you suppose that it is all OK with them, I will trust you. But in any case I would prefer to obtain from LateX something like "If all else fails, read the instructions" :-) In any case thank you so much for you answers and for your attention.

    – Andrei Malokostov
    6 hours ago











  • @AndreiMalokostov unfortunately the error occurs while tex is writing the file and it really can't stop and make a sensible latex-specified error at that point if it fails it just fails with some more or less spurious low level error.

    – David Carlisle
    5 hours ago





















5














If you don't want to use inputenc, add UseRawInputEncoding



UseRawInputEncoding
documentclass{article}

begin{document}

newwritetestwrite

immediateopenouttestwrite=testwrite.txt

immediatewritetestwrite{Ббббббббббббб}

immediatecloseouttestwrite

end{document}





share|improve this answer
























  • Thank you so much, and thank you for your recommendations. But my question is NOT about "How to avoid such error messages", but "Why LaTeX responda in such a way and why it tells me that GenericError command (or some other command inside the definition of GenericError) are undefined?". I know other ways to avoid such error messages. For example I can declare newtoksBbbbtoks, assign Bbbbtoks={Ббббббб} and then use the command writetestwrite{theBbbbtoks}, this works well. But I would like to get an answer to my second question.

    – Andrei Malokostov
    6 hours ago













  • If you are interested in the processing of the active chars (Б and б are now active and so commands) then I would suggest that you add tracingmacros=1 and then look in the log file. If you want to know why they are active you could read this latex news letter: latex-project.org/news/latex2e-news/ltnews28.pdf

    – Ulrike Fischer
    6 hours ago











  • OK, thank you so much. I will try to use tracingmacros=1 understand, how commands like "Б" or "б" are transformed to the error messages of the type ! Undefined control sequence. GenericError ... let @err@ ...

    – Andrei Malokostov
    6 hours ago











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2 Answers
2






active

oldest

votes








2 Answers
2






active

oldest

votes









active

oldest

votes






active

oldest

votes









6














The active characters are set up to expand to typesetting instructions (or to error messages saying that the character is not set up) you just want to write the text verbatim so:



documentclass{article}

begin{document}

newwritetestwrite

immediateopenouttestwrite=testwrite.txt

immediatewritetestwrite{detokenize{Ббббббббббббб}}

immediatecloseouttestwrite

end{document}





share|improve this answer
























  • Thank you so much, but as already I wrote below to Ulrike Fischer, my question was "Why LateX letts me that some its internal commands which are absolutely not related to my code are undefined". If I write Cyrillic text as a text, LaTeX tells me that Cyrillic letters have wrong Unicode codes. But if the Cyrillic text is inside write{...}, Latex tells me that GenericError command or some other comands inside it are undefined.

    – Andrei Malokostov
    6 hours ago











  • @AndreiMalokostov you are using a write command, which expands its argument completly without any precautions. It is easy to get such error messages with it if you put commands in its argument. If you want a better error message use makeatletter immediateprotected@write{...}.

    – Ulrike Fischer
    6 hours ago











  • OK, thank you so much. I thought from my 25+ year experience that TeX (and LateX also) have very good system of error messages, and these messages are quite informative. So I was very confused to get such strange (from my point of view) messages. But if you suppose that it is all OK with them, I will trust you. But in any case I would prefer to obtain from LateX something like "If all else fails, read the instructions" :-) In any case thank you so much for you answers and for your attention.

    – Andrei Malokostov
    6 hours ago











  • @AndreiMalokostov unfortunately the error occurs while tex is writing the file and it really can't stop and make a sensible latex-specified error at that point if it fails it just fails with some more or less spurious low level error.

    – David Carlisle
    5 hours ago


















6














The active characters are set up to expand to typesetting instructions (or to error messages saying that the character is not set up) you just want to write the text verbatim so:



documentclass{article}

begin{document}

newwritetestwrite

immediateopenouttestwrite=testwrite.txt

immediatewritetestwrite{detokenize{Ббббббббббббб}}

immediatecloseouttestwrite

end{document}





share|improve this answer
























  • Thank you so much, but as already I wrote below to Ulrike Fischer, my question was "Why LateX letts me that some its internal commands which are absolutely not related to my code are undefined". If I write Cyrillic text as a text, LaTeX tells me that Cyrillic letters have wrong Unicode codes. But if the Cyrillic text is inside write{...}, Latex tells me that GenericError command or some other comands inside it are undefined.

    – Andrei Malokostov
    6 hours ago











  • @AndreiMalokostov you are using a write command, which expands its argument completly without any precautions. It is easy to get such error messages with it if you put commands in its argument. If you want a better error message use makeatletter immediateprotected@write{...}.

    – Ulrike Fischer
    6 hours ago











  • OK, thank you so much. I thought from my 25+ year experience that TeX (and LateX also) have very good system of error messages, and these messages are quite informative. So I was very confused to get such strange (from my point of view) messages. But if you suppose that it is all OK with them, I will trust you. But in any case I would prefer to obtain from LateX something like "If all else fails, read the instructions" :-) In any case thank you so much for you answers and for your attention.

    – Andrei Malokostov
    6 hours ago











  • @AndreiMalokostov unfortunately the error occurs while tex is writing the file and it really can't stop and make a sensible latex-specified error at that point if it fails it just fails with some more or less spurious low level error.

    – David Carlisle
    5 hours ago
















6












6








6







The active characters are set up to expand to typesetting instructions (or to error messages saying that the character is not set up) you just want to write the text verbatim so:



documentclass{article}

begin{document}

newwritetestwrite

immediateopenouttestwrite=testwrite.txt

immediatewritetestwrite{detokenize{Ббббббббббббб}}

immediatecloseouttestwrite

end{document}





share|improve this answer













The active characters are set up to expand to typesetting instructions (or to error messages saying that the character is not set up) you just want to write the text verbatim so:



documentclass{article}

begin{document}

newwritetestwrite

immediateopenouttestwrite=testwrite.txt

immediatewritetestwrite{detokenize{Ббббббббббббб}}

immediatecloseouttestwrite

end{document}






share|improve this answer












share|improve this answer



share|improve this answer










answered 9 hours ago









David CarlisleDavid Carlisle

492k4111371885




492k4111371885













  • Thank you so much, but as already I wrote below to Ulrike Fischer, my question was "Why LateX letts me that some its internal commands which are absolutely not related to my code are undefined". If I write Cyrillic text as a text, LaTeX tells me that Cyrillic letters have wrong Unicode codes. But if the Cyrillic text is inside write{...}, Latex tells me that GenericError command or some other comands inside it are undefined.

    – Andrei Malokostov
    6 hours ago











  • @AndreiMalokostov you are using a write command, which expands its argument completly without any precautions. It is easy to get such error messages with it if you put commands in its argument. If you want a better error message use makeatletter immediateprotected@write{...}.

    – Ulrike Fischer
    6 hours ago











  • OK, thank you so much. I thought from my 25+ year experience that TeX (and LateX also) have very good system of error messages, and these messages are quite informative. So I was very confused to get such strange (from my point of view) messages. But if you suppose that it is all OK with them, I will trust you. But in any case I would prefer to obtain from LateX something like "If all else fails, read the instructions" :-) In any case thank you so much for you answers and for your attention.

    – Andrei Malokostov
    6 hours ago











  • @AndreiMalokostov unfortunately the error occurs while tex is writing the file and it really can't stop and make a sensible latex-specified error at that point if it fails it just fails with some more or less spurious low level error.

    – David Carlisle
    5 hours ago





















  • Thank you so much, but as already I wrote below to Ulrike Fischer, my question was "Why LateX letts me that some its internal commands which are absolutely not related to my code are undefined". If I write Cyrillic text as a text, LaTeX tells me that Cyrillic letters have wrong Unicode codes. But if the Cyrillic text is inside write{...}, Latex tells me that GenericError command or some other comands inside it are undefined.

    – Andrei Malokostov
    6 hours ago











  • @AndreiMalokostov you are using a write command, which expands its argument completly without any precautions. It is easy to get such error messages with it if you put commands in its argument. If you want a better error message use makeatletter immediateprotected@write{...}.

    – Ulrike Fischer
    6 hours ago











  • OK, thank you so much. I thought from my 25+ year experience that TeX (and LateX also) have very good system of error messages, and these messages are quite informative. So I was very confused to get such strange (from my point of view) messages. But if you suppose that it is all OK with them, I will trust you. But in any case I would prefer to obtain from LateX something like "If all else fails, read the instructions" :-) In any case thank you so much for you answers and for your attention.

    – Andrei Malokostov
    6 hours ago











  • @AndreiMalokostov unfortunately the error occurs while tex is writing the file and it really can't stop and make a sensible latex-specified error at that point if it fails it just fails with some more or less spurious low level error.

    – David Carlisle
    5 hours ago



















Thank you so much, but as already I wrote below to Ulrike Fischer, my question was "Why LateX letts me that some its internal commands which are absolutely not related to my code are undefined". If I write Cyrillic text as a text, LaTeX tells me that Cyrillic letters have wrong Unicode codes. But if the Cyrillic text is inside write{...}, Latex tells me that GenericError command or some other comands inside it are undefined.

– Andrei Malokostov
6 hours ago





Thank you so much, but as already I wrote below to Ulrike Fischer, my question was "Why LateX letts me that some its internal commands which are absolutely not related to my code are undefined". If I write Cyrillic text as a text, LaTeX tells me that Cyrillic letters have wrong Unicode codes. But if the Cyrillic text is inside write{...}, Latex tells me that GenericError command or some other comands inside it are undefined.

– Andrei Malokostov
6 hours ago













@AndreiMalokostov you are using a write command, which expands its argument completly without any precautions. It is easy to get such error messages with it if you put commands in its argument. If you want a better error message use makeatletter immediateprotected@write{...}.

– Ulrike Fischer
6 hours ago





@AndreiMalokostov you are using a write command, which expands its argument completly without any precautions. It is easy to get such error messages with it if you put commands in its argument. If you want a better error message use makeatletter immediateprotected@write{...}.

– Ulrike Fischer
6 hours ago













OK, thank you so much. I thought from my 25+ year experience that TeX (and LateX also) have very good system of error messages, and these messages are quite informative. So I was very confused to get such strange (from my point of view) messages. But if you suppose that it is all OK with them, I will trust you. But in any case I would prefer to obtain from LateX something like "If all else fails, read the instructions" :-) In any case thank you so much for you answers and for your attention.

– Andrei Malokostov
6 hours ago





OK, thank you so much. I thought from my 25+ year experience that TeX (and LateX also) have very good system of error messages, and these messages are quite informative. So I was very confused to get such strange (from my point of view) messages. But if you suppose that it is all OK with them, I will trust you. But in any case I would prefer to obtain from LateX something like "If all else fails, read the instructions" :-) In any case thank you so much for you answers and for your attention.

– Andrei Malokostov
6 hours ago













@AndreiMalokostov unfortunately the error occurs while tex is writing the file and it really can't stop and make a sensible latex-specified error at that point if it fails it just fails with some more or less spurious low level error.

– David Carlisle
5 hours ago







@AndreiMalokostov unfortunately the error occurs while tex is writing the file and it really can't stop and make a sensible latex-specified error at that point if it fails it just fails with some more or less spurious low level error.

– David Carlisle
5 hours ago













5














If you don't want to use inputenc, add UseRawInputEncoding



UseRawInputEncoding
documentclass{article}

begin{document}

newwritetestwrite

immediateopenouttestwrite=testwrite.txt

immediatewritetestwrite{Ббббббббббббб}

immediatecloseouttestwrite

end{document}





share|improve this answer
























  • Thank you so much, and thank you for your recommendations. But my question is NOT about "How to avoid such error messages", but "Why LaTeX responda in such a way and why it tells me that GenericError command (or some other command inside the definition of GenericError) are undefined?". I know other ways to avoid such error messages. For example I can declare newtoksBbbbtoks, assign Bbbbtoks={Ббббббб} and then use the command writetestwrite{theBbbbtoks}, this works well. But I would like to get an answer to my second question.

    – Andrei Malokostov
    6 hours ago













  • If you are interested in the processing of the active chars (Б and б are now active and so commands) then I would suggest that you add tracingmacros=1 and then look in the log file. If you want to know why they are active you could read this latex news letter: latex-project.org/news/latex2e-news/ltnews28.pdf

    – Ulrike Fischer
    6 hours ago











  • OK, thank you so much. I will try to use tracingmacros=1 understand, how commands like "Б" or "б" are transformed to the error messages of the type ! Undefined control sequence. GenericError ... let @err@ ...

    – Andrei Malokostov
    6 hours ago
















5














If you don't want to use inputenc, add UseRawInputEncoding



UseRawInputEncoding
documentclass{article}

begin{document}

newwritetestwrite

immediateopenouttestwrite=testwrite.txt

immediatewritetestwrite{Ббббббббббббб}

immediatecloseouttestwrite

end{document}





share|improve this answer
























  • Thank you so much, and thank you for your recommendations. But my question is NOT about "How to avoid such error messages", but "Why LaTeX responda in such a way and why it tells me that GenericError command (or some other command inside the definition of GenericError) are undefined?". I know other ways to avoid such error messages. For example I can declare newtoksBbbbtoks, assign Bbbbtoks={Ббббббб} and then use the command writetestwrite{theBbbbtoks}, this works well. But I would like to get an answer to my second question.

    – Andrei Malokostov
    6 hours ago













  • If you are interested in the processing of the active chars (Б and б are now active and so commands) then I would suggest that you add tracingmacros=1 and then look in the log file. If you want to know why they are active you could read this latex news letter: latex-project.org/news/latex2e-news/ltnews28.pdf

    – Ulrike Fischer
    6 hours ago











  • OK, thank you so much. I will try to use tracingmacros=1 understand, how commands like "Б" or "б" are transformed to the error messages of the type ! Undefined control sequence. GenericError ... let @err@ ...

    – Andrei Malokostov
    6 hours ago














5












5








5







If you don't want to use inputenc, add UseRawInputEncoding



UseRawInputEncoding
documentclass{article}

begin{document}

newwritetestwrite

immediateopenouttestwrite=testwrite.txt

immediatewritetestwrite{Ббббббббббббб}

immediatecloseouttestwrite

end{document}





share|improve this answer













If you don't want to use inputenc, add UseRawInputEncoding



UseRawInputEncoding
documentclass{article}

begin{document}

newwritetestwrite

immediateopenouttestwrite=testwrite.txt

immediatewritetestwrite{Ббббббббббббб}

immediatecloseouttestwrite

end{document}






share|improve this answer












share|improve this answer



share|improve this answer










answered 9 hours ago









Ulrike FischerUlrike Fischer

193k8302687




193k8302687













  • Thank you so much, and thank you for your recommendations. But my question is NOT about "How to avoid such error messages", but "Why LaTeX responda in such a way and why it tells me that GenericError command (or some other command inside the definition of GenericError) are undefined?". I know other ways to avoid such error messages. For example I can declare newtoksBbbbtoks, assign Bbbbtoks={Ббббббб} and then use the command writetestwrite{theBbbbtoks}, this works well. But I would like to get an answer to my second question.

    – Andrei Malokostov
    6 hours ago













  • If you are interested in the processing of the active chars (Б and б are now active and so commands) then I would suggest that you add tracingmacros=1 and then look in the log file. If you want to know why they are active you could read this latex news letter: latex-project.org/news/latex2e-news/ltnews28.pdf

    – Ulrike Fischer
    6 hours ago











  • OK, thank you so much. I will try to use tracingmacros=1 understand, how commands like "Б" or "б" are transformed to the error messages of the type ! Undefined control sequence. GenericError ... let @err@ ...

    – Andrei Malokostov
    6 hours ago



















  • Thank you so much, and thank you for your recommendations. But my question is NOT about "How to avoid such error messages", but "Why LaTeX responda in such a way and why it tells me that GenericError command (or some other command inside the definition of GenericError) are undefined?". I know other ways to avoid such error messages. For example I can declare newtoksBbbbtoks, assign Bbbbtoks={Ббббббб} and then use the command writetestwrite{theBbbbtoks}, this works well. But I would like to get an answer to my second question.

    – Andrei Malokostov
    6 hours ago













  • If you are interested in the processing of the active chars (Б and б are now active and so commands) then I would suggest that you add tracingmacros=1 and then look in the log file. If you want to know why they are active you could read this latex news letter: latex-project.org/news/latex2e-news/ltnews28.pdf

    – Ulrike Fischer
    6 hours ago











  • OK, thank you so much. I will try to use tracingmacros=1 understand, how commands like "Б" or "б" are transformed to the error messages of the type ! Undefined control sequence. GenericError ... let @err@ ...

    – Andrei Malokostov
    6 hours ago

















Thank you so much, and thank you for your recommendations. But my question is NOT about "How to avoid such error messages", but "Why LaTeX responda in such a way and why it tells me that GenericError command (or some other command inside the definition of GenericError) are undefined?". I know other ways to avoid such error messages. For example I can declare newtoksBbbbtoks, assign Bbbbtoks={Ббббббб} and then use the command writetestwrite{theBbbbtoks}, this works well. But I would like to get an answer to my second question.

– Andrei Malokostov
6 hours ago







Thank you so much, and thank you for your recommendations. But my question is NOT about "How to avoid such error messages", but "Why LaTeX responda in such a way and why it tells me that GenericError command (or some other command inside the definition of GenericError) are undefined?". I know other ways to avoid such error messages. For example I can declare newtoksBbbbtoks, assign Bbbbtoks={Ббббббб} and then use the command writetestwrite{theBbbbtoks}, this works well. But I would like to get an answer to my second question.

– Andrei Malokostov
6 hours ago















If you are interested in the processing of the active chars (Б and б are now active and so commands) then I would suggest that you add tracingmacros=1 and then look in the log file. If you want to know why they are active you could read this latex news letter: latex-project.org/news/latex2e-news/ltnews28.pdf

– Ulrike Fischer
6 hours ago





If you are interested in the processing of the active chars (Б and б are now active and so commands) then I would suggest that you add tracingmacros=1 and then look in the log file. If you want to know why they are active you could read this latex news letter: latex-project.org/news/latex2e-news/ltnews28.pdf

– Ulrike Fischer
6 hours ago













OK, thank you so much. I will try to use tracingmacros=1 understand, how commands like "Б" or "б" are transformed to the error messages of the type ! Undefined control sequence. GenericError ... let @err@ ...

– Andrei Malokostov
6 hours ago





OK, thank you so much. I will try to use tracingmacros=1 understand, how commands like "Б" or "б" are transformed to the error messages of the type ! Undefined control sequence. GenericError ... let @err@ ...

– Andrei Malokostov
6 hours ago










Andrei Malokostov is a new contributor. Be nice, and check out our Code of Conduct.










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