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Bug using breqn and babel


breqn is not compatible with icommawhy is adding `breqn` package breaks `etoolbox` command?Why does LuaTeX plus breqn quadruple output of text when in display-math mode?Lualatex and bm packageLualatex compilation problem using cancel and breqn packagesbreqn package and equation numberingHungarian with LuaLaTex and biberConflict between breqn and newtxmath packagesbreqn not aligning first two linesTikz-cd problems whilst also using breqn packagebreqn is not compatible with icomma













3















I've hit a bug that I cannot fix (no warnings/errors in the logs).



Here is a mwe:



documentclassarticle
usepackage[english,french]babel
usepackagebreqn

begindocument
[A, B, C]

selectlanguagefrench
[A, B, C]

selectlanguageenglish
[A, B, C]
enddocument


I use the following command to compile:



$ latexmk -lualatex bug.tex


The output is as follows, the commas are mapped to a Gamma symbol !?



Output



Does anyone have a clue on how to fix this ?



$ lualatex --version
This is LuaTeX, Version 1.07.0 (TeX Live 2018)
$ latexmk --version
Latexmk, John Collins, 17 Jan. 2018. Version 4.55









share|improve this question



















  • 1





    breqn is a nice proof-of-concept, but it's incompatible with a wealth of packages.

    – egreg
    8 hours ago






  • 1





    See also tex.stackexchange.com/a/483852/2388

    – Ulrike Fischer
    8 hours ago















3















I've hit a bug that I cannot fix (no warnings/errors in the logs).



Here is a mwe:



documentclassarticle
usepackage[english,french]babel
usepackagebreqn

begindocument
[A, B, C]

selectlanguagefrench
[A, B, C]

selectlanguageenglish
[A, B, C]
enddocument


I use the following command to compile:



$ latexmk -lualatex bug.tex


The output is as follows, the commas are mapped to a Gamma symbol !?



Output



Does anyone have a clue on how to fix this ?



$ lualatex --version
This is LuaTeX, Version 1.07.0 (TeX Live 2018)
$ latexmk --version
Latexmk, John Collins, 17 Jan. 2018. Version 4.55









share|improve this question



















  • 1





    breqn is a nice proof-of-concept, but it's incompatible with a wealth of packages.

    – egreg
    8 hours ago






  • 1





    See also tex.stackexchange.com/a/483852/2388

    – Ulrike Fischer
    8 hours ago













3












3








3








I've hit a bug that I cannot fix (no warnings/errors in the logs).



Here is a mwe:



documentclassarticle
usepackage[english,french]babel
usepackagebreqn

begindocument
[A, B, C]

selectlanguagefrench
[A, B, C]

selectlanguageenglish
[A, B, C]
enddocument


I use the following command to compile:



$ latexmk -lualatex bug.tex


The output is as follows, the commas are mapped to a Gamma symbol !?



Output



Does anyone have a clue on how to fix this ?



$ lualatex --version
This is LuaTeX, Version 1.07.0 (TeX Live 2018)
$ latexmk --version
Latexmk, John Collins, 17 Jan. 2018. Version 4.55









share|improve this question
















I've hit a bug that I cannot fix (no warnings/errors in the logs).



Here is a mwe:



documentclassarticle
usepackage[english,french]babel
usepackagebreqn

begindocument
[A, B, C]

selectlanguagefrench
[A, B, C]

selectlanguageenglish
[A, B, C]
enddocument


I use the following command to compile:



$ latexmk -lualatex bug.tex


The output is as follows, the commas are mapped to a Gamma symbol !?



Output



Does anyone have a clue on how to fix this ?



$ lualatex --version
This is LuaTeX, Version 1.07.0 (TeX Live 2018)
$ latexmk --version
Latexmk, John Collins, 17 Jan. 2018. Version 4.55






luatex breqn






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited 6 hours ago







neok

















asked 9 hours ago









neokneok

1909




1909







  • 1





    breqn is a nice proof-of-concept, but it's incompatible with a wealth of packages.

    – egreg
    8 hours ago






  • 1





    See also tex.stackexchange.com/a/483852/2388

    – Ulrike Fischer
    8 hours ago












  • 1





    breqn is a nice proof-of-concept, but it's incompatible with a wealth of packages.

    – egreg
    8 hours ago






  • 1





    See also tex.stackexchange.com/a/483852/2388

    – Ulrike Fischer
    8 hours ago







1




1





breqn is a nice proof-of-concept, but it's incompatible with a wealth of packages.

– egreg
8 hours ago





breqn is a nice proof-of-concept, but it's incompatible with a wealth of packages.

– egreg
8 hours ago




1




1





See also tex.stackexchange.com/a/483852/2388

– Ulrike Fischer
8 hours ago





See also tex.stackexchange.com/a/483852/2388

– Ulrike Fischer
8 hours ago










2 Answers
2






active

oldest

votes


















2














The babel-french module does std@math@comma upon entering and also exiting French language blocks.



This resets the mathcode for the comma to the standard, but breqn wants that the mathcode stays "8000.



Simply make std@math@comma to do nothing.



documentclassarticle
usepackage[english,french]babel
usepackagebreqn

makeatletter
letstd@math@commarelax
makeatother

begindocument

[A, B, C]

selectlanguagefrench
[A, B, C]

selectlanguageenglish
[A, B, C]

enddocument


enter image description here



You should be aware that breqn is not really compatible with several package and is better not used in serious typesetting tasks.






share|improve this answer























  • Great investigation egreg, many thanks for the detailed explanations !

    – neok
    5 hours ago



















1














For lualatex use



documentclassarticle
usepackage[english,french]babel
usepackagebreqn
usepackageunicode-math
...





share|improve this answer


















  • 1





    Thanks, this works for this particular mwe but throws tons of errors for my huge document. I also see that unicode-math is quite eqperimental ?

    – neok
    7 hours ago











  • No, unicode-math is not experimental. Show your preamble!

    – Red-Cloud
    37 mins ago











Your Answer








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2 Answers
2






active

oldest

votes








2 Answers
2






active

oldest

votes









active

oldest

votes






active

oldest

votes









2














The babel-french module does std@math@comma upon entering and also exiting French language blocks.



This resets the mathcode for the comma to the standard, but breqn wants that the mathcode stays "8000.



Simply make std@math@comma to do nothing.



documentclassarticle
usepackage[english,french]babel
usepackagebreqn

makeatletter
letstd@math@commarelax
makeatother

begindocument

[A, B, C]

selectlanguagefrench
[A, B, C]

selectlanguageenglish
[A, B, C]

enddocument


enter image description here



You should be aware that breqn is not really compatible with several package and is better not used in serious typesetting tasks.






share|improve this answer























  • Great investigation egreg, many thanks for the detailed explanations !

    – neok
    5 hours ago
















2














The babel-french module does std@math@comma upon entering and also exiting French language blocks.



This resets the mathcode for the comma to the standard, but breqn wants that the mathcode stays "8000.



Simply make std@math@comma to do nothing.



documentclassarticle
usepackage[english,french]babel
usepackagebreqn

makeatletter
letstd@math@commarelax
makeatother

begindocument

[A, B, C]

selectlanguagefrench
[A, B, C]

selectlanguageenglish
[A, B, C]

enddocument


enter image description here



You should be aware that breqn is not really compatible with several package and is better not used in serious typesetting tasks.






share|improve this answer























  • Great investigation egreg, many thanks for the detailed explanations !

    – neok
    5 hours ago














2












2








2







The babel-french module does std@math@comma upon entering and also exiting French language blocks.



This resets the mathcode for the comma to the standard, but breqn wants that the mathcode stays "8000.



Simply make std@math@comma to do nothing.



documentclassarticle
usepackage[english,french]babel
usepackagebreqn

makeatletter
letstd@math@commarelax
makeatother

begindocument

[A, B, C]

selectlanguagefrench
[A, B, C]

selectlanguageenglish
[A, B, C]

enddocument


enter image description here



You should be aware that breqn is not really compatible with several package and is better not used in serious typesetting tasks.






share|improve this answer













The babel-french module does std@math@comma upon entering and also exiting French language blocks.



This resets the mathcode for the comma to the standard, but breqn wants that the mathcode stays "8000.



Simply make std@math@comma to do nothing.



documentclassarticle
usepackage[english,french]babel
usepackagebreqn

makeatletter
letstd@math@commarelax
makeatother

begindocument

[A, B, C]

selectlanguagefrench
[A, B, C]

selectlanguageenglish
[A, B, C]

enddocument


enter image description here



You should be aware that breqn is not really compatible with several package and is better not used in serious typesetting tasks.







share|improve this answer












share|improve this answer



share|improve this answer










answered 6 hours ago









egregegreg

745k8919513291




745k8919513291












  • Great investigation egreg, many thanks for the detailed explanations !

    – neok
    5 hours ago


















  • Great investigation egreg, many thanks for the detailed explanations !

    – neok
    5 hours ago

















Great investigation egreg, many thanks for the detailed explanations !

– neok
5 hours ago






Great investigation egreg, many thanks for the detailed explanations !

– neok
5 hours ago












1














For lualatex use



documentclassarticle
usepackage[english,french]babel
usepackagebreqn
usepackageunicode-math
...





share|improve this answer


















  • 1





    Thanks, this works for this particular mwe but throws tons of errors for my huge document. I also see that unicode-math is quite eqperimental ?

    – neok
    7 hours ago











  • No, unicode-math is not experimental. Show your preamble!

    – Red-Cloud
    37 mins ago















1














For lualatex use



documentclassarticle
usepackage[english,french]babel
usepackagebreqn
usepackageunicode-math
...





share|improve this answer


















  • 1





    Thanks, this works for this particular mwe but throws tons of errors for my huge document. I also see that unicode-math is quite eqperimental ?

    – neok
    7 hours ago











  • No, unicode-math is not experimental. Show your preamble!

    – Red-Cloud
    37 mins ago













1












1








1







For lualatex use



documentclassarticle
usepackage[english,french]babel
usepackagebreqn
usepackageunicode-math
...





share|improve this answer













For lualatex use



documentclassarticle
usepackage[english,french]babel
usepackagebreqn
usepackageunicode-math
...






share|improve this answer












share|improve this answer



share|improve this answer










answered 8 hours ago









Red-CloudRed-Cloud

3,363214




3,363214







  • 1





    Thanks, this works for this particular mwe but throws tons of errors for my huge document. I also see that unicode-math is quite eqperimental ?

    – neok
    7 hours ago











  • No, unicode-math is not experimental. Show your preamble!

    – Red-Cloud
    37 mins ago












  • 1





    Thanks, this works for this particular mwe but throws tons of errors for my huge document. I also see that unicode-math is quite eqperimental ?

    – neok
    7 hours ago











  • No, unicode-math is not experimental. Show your preamble!

    – Red-Cloud
    37 mins ago







1




1





Thanks, this works for this particular mwe but throws tons of errors for my huge document. I also see that unicode-math is quite eqperimental ?

– neok
7 hours ago





Thanks, this works for this particular mwe but throws tons of errors for my huge document. I also see that unicode-math is quite eqperimental ?

– neok
7 hours ago













No, unicode-math is not experimental. Show your preamble!

– Red-Cloud
37 mins ago





No, unicode-math is not experimental. Show your preamble!

– Red-Cloud
37 mins ago

















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