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Xindy seems to ignore sort-rules in custom .xdy file

Sorting index entries with accented wordssort biblatex bibliography by appearance of cites in the documentglossaries special sorting for one glossaryxindy: merge-rule to ignore leading numberspath for own .xdy fileXindy doesn't sort keywords properlytexindy style file: adding space between grouped entriesxindy: rules file for arabic language?Use xindy to sort by bible book instead of ABC – or: How to add custom letter groups?Wrong sort order using glossaries (seems to ignore sort key)

0

So I am trying the change the way xindy is sorting umlauts in an index file by prescribing custom sort-rules.

This is the myfile.xdy that I use:

(require "lang/german/duden-utf8-lang.xdy")



(sort-rule "Ä" "Ae")

(sort-rule "Ö" "Oe")

(sort-rule "Ü" "Ue")



(sort-rule "ä" "ae")

(sort-rule "ö" "oe")

(sort-rule "ü" "ue")

And here is a minimal example for a document:

documentclass[]{article}

usepackage{fontspec}

usepackage[ngerman]{babel}



usepackage[xindy, splitindex]{imakeidx}



defxindylangopt{-M lang/german/myfile}

makeindex[name=test, options=xindylangopt]







begin{document}

    foo index[test]{Aal}  index[test]{Aeal}  index[test]{Äal} index[test]{Abal} index[test]{Afal}   

    index[test]{Ual}  index[test]{Ueal}  index[test]{Üal} index[test]{Ubal} index[test]{Ufal} 

    index[test]{Oal}  index[test]{Oeal}  index[test]{Öal} index[test]{Obal} index[test]{Ofal} 



    printindex[test]

end{document}

This is what the output looks like:

But this is still the original sorting where the umlauts are treated as if they were their respective vocal, i.e. 'Ä' is treated as 'A' and so on. What I would like is that they are treated as their respective vocal followed by the letter 'e', i.e. 'Äal' would be placed between 'Aeal' and 'Afal' in this example. What am I doing wrong? Can the sorting rules not be overwriten like that? Do I even need a custom file for this or are there already native modules that do this kind of sorting?

sorting xindy

share|improve this question

asked 17 hours ago

mapfmapf

112

New contributor

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

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Welcome to TeX.SE!
  
  – Kurt
  17 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  In your case (require "lang/german/din5007-utf8-lang.xdy") should be sufficient. Unfortunately, xindy replaces readable letters by some opaque bytes for sorting (you can see it in any lang/german/*-utf8.xdy), so altering sorting rules by a user becomes complicated.
  
  – Sergei Golovan
  8 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Amazing, this seems to do the trick! I see, I already looked at some of the standard modules and was very confused by all these weird symbols and prefixes. I wonder why they do it that way. Xindy syntax seems rather outdated.
  
  – mapf
  7 hours ago
  

  
  
  
  

add a comment | 

0

So I am trying the change the way xindy is sorting umlauts in an index file by prescribing custom sort-rules.

This is the myfile.xdy that I use:

(require "lang/german/duden-utf8-lang.xdy")



(sort-rule "Ä" "Ae")

(sort-rule "Ö" "Oe")

(sort-rule "Ü" "Ue")



(sort-rule "ä" "ae")

(sort-rule "ö" "oe")

(sort-rule "ü" "ue")

And here is a minimal example for a document:

documentclass[]{article}

usepackage{fontspec}

usepackage[ngerman]{babel}



usepackage[xindy, splitindex]{imakeidx}



defxindylangopt{-M lang/german/myfile}

makeindex[name=test, options=xindylangopt]







begin{document}

    foo index[test]{Aal}  index[test]{Aeal}  index[test]{Äal} index[test]{Abal} index[test]{Afal}   

    index[test]{Ual}  index[test]{Ueal}  index[test]{Üal} index[test]{Ubal} index[test]{Ufal} 

    index[test]{Oal}  index[test]{Oeal}  index[test]{Öal} index[test]{Obal} index[test]{Ofal} 



    printindex[test]

end{document}

This is what the output looks like:

But this is still the original sorting where the umlauts are treated as if they were their respective vocal, i.e. 'Ä' is treated as 'A' and so on. What I would like is that they are treated as their respective vocal followed by the letter 'e', i.e. 'Äal' would be placed between 'Aeal' and 'Afal' in this example. What am I doing wrong? Can the sorting rules not be overwriten like that? Do I even need a custom file for this or are there already native modules that do this kind of sorting?

sorting xindy

share|improve this question

asked 17 hours ago

mapfmapf

112

New contributor

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

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Welcome to TeX.SE!
  
  – Kurt
  17 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  In your case (require "lang/german/din5007-utf8-lang.xdy") should be sufficient. Unfortunately, xindy replaces readable letters by some opaque bytes for sorting (you can see it in any lang/german/*-utf8.xdy), so altering sorting rules by a user becomes complicated.
  
  – Sergei Golovan
  8 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Amazing, this seems to do the trick! I see, I already looked at some of the standard modules and was very confused by all these weird symbols and prefixes. I wonder why they do it that way. Xindy syntax seems rather outdated.
  
  – mapf
  7 hours ago
  

  
  
  
  

add a comment | 

So I am trying the change the way xindy is sorting umlauts in an index file by prescribing custom sort-rules.

This is the myfile.xdy that I use:

(require "lang/german/duden-utf8-lang.xdy")



(sort-rule "Ä" "Ae")

(sort-rule "Ö" "Oe")

(sort-rule "Ü" "Ue")



(sort-rule "ä" "ae")

(sort-rule "ö" "oe")

(sort-rule "ü" "ue")

And here is a minimal example for a document:

documentclass[]{article}

usepackage{fontspec}

usepackage[ngerman]{babel}



usepackage[xindy, splitindex]{imakeidx}



defxindylangopt{-M lang/german/myfile}

makeindex[name=test, options=xindylangopt]







begin{document}

    foo index[test]{Aal}  index[test]{Aeal}  index[test]{Äal} index[test]{Abal} index[test]{Afal}   

    index[test]{Ual}  index[test]{Ueal}  index[test]{Üal} index[test]{Ubal} index[test]{Ufal} 

    index[test]{Oal}  index[test]{Oeal}  index[test]{Öal} index[test]{Obal} index[test]{Ofal} 



    printindex[test]

end{document}

This is what the output looks like:

But this is still the original sorting where the umlauts are treated as if they were their respective vocal, i.e. 'Ä' is treated as 'A' and so on. What I would like is that they are treated as their respective vocal followed by the letter 'e', i.e. 'Äal' would be placed between 'Aeal' and 'Afal' in this example. What am I doing wrong? Can the sorting rules not be overwriten like that? Do I even need a custom file for this or are there already native modules that do this kind of sorting?

sorting xindy

share|improve this question

asked 17 hours ago

mapfmapf

112

New contributor

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

(require "lang/german/duden-utf8-lang.xdy")



(sort-rule "Ä" "Ae")

(sort-rule "Ö" "Oe")

(sort-rule "Ü" "Ue")



(sort-rule "ä" "ae")

(sort-rule "ö" "oe")

(sort-rule "ü" "ue")

documentclass[]{article}

usepackage{fontspec}

usepackage[ngerman]{babel}



usepackage[xindy, splitindex]{imakeidx}



defxindylangopt{-M lang/german/myfile}

makeindex[name=test, options=xindylangopt]







begin{document}

    foo index[test]{Aal}  index[test]{Aeal}  index[test]{Äal} index[test]{Abal} index[test]{Afal}   

    index[test]{Ual}  index[test]{Ueal}  index[test]{Üal} index[test]{Ubal} index[test]{Ufal} 

    index[test]{Oal}  index[test]{Oeal}  index[test]{Öal} index[test]{Obal} index[test]{Ofal} 



    printindex[test]

end{document}

share|improve this question

asked 17 hours ago

mapfmapf

112

New contributor

mapf 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

asked 17 hours ago

mapfmapf

112

New contributor

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

asked 17 hours ago

mapfmapf

112

New contributor

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

asked 17 hours ago

mapfmapf

112

1 Answer
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1

Thanks to @Sergei Golovan, a solution was found. It appears to be sufficient to use the din5007-utf8-lang.xdy-module instead of the duden-utf8-lang.xdy-module as a basis, since the din5007-utf8-lang.xdy-module already sorts the umlauts the way that I was trying to achive. So in case other changes should still be applied to the sorting, the required module needs to be adjusted.

myfile.xdy:

(require "lang/german/din5007-utf8-lang.xdy")



some other custom sort-rules

If no other changes to the sorting need to be applied, it is sufficient to change the xindy language options in the document like so:

defxindylangopt{-M lang/german/din5007-utf8-lang}

share|improve this answer

edited 4 hours ago

answered 7 hours ago

mapfmapf

112

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1

Thanks to @Sergei Golovan, a solution was found. It appears to be sufficient to use the din5007-utf8-lang.xdy-module instead of the duden-utf8-lang.xdy-module as a basis, since the din5007-utf8-lang.xdy-module already sorts the umlauts the way that I was trying to achive. So in case other changes should still be applied to the sorting, the required module needs to be adjusted.

myfile.xdy:

(require "lang/german/din5007-utf8-lang.xdy")



some other custom sort-rules

If no other changes to the sorting need to be applied, it is sufficient to change the xindy language options in the document like so:

defxindylangopt{-M lang/german/din5007-utf8-lang}

share|improve this answer

edited 4 hours ago

answered 7 hours ago

mapfmapf

112

New contributor

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

add a comment | 

1

Thanks to @Sergei Golovan, a solution was found. It appears to be sufficient to use the din5007-utf8-lang.xdy-module instead of the duden-utf8-lang.xdy-module as a basis, since the din5007-utf8-lang.xdy-module already sorts the umlauts the way that I was trying to achive. So in case other changes should still be applied to the sorting, the required module needs to be adjusted.

myfile.xdy:

(require "lang/german/din5007-utf8-lang.xdy")



some other custom sort-rules

If no other changes to the sorting need to be applied, it is sufficient to change the xindy language options in the document like so:

defxindylangopt{-M lang/german/din5007-utf8-lang}

share|improve this answer

edited 4 hours ago

answered 7 hours ago

mapfmapf

112

New contributor

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

add a comment | 

Thanks to @Sergei Golovan, a solution was found. It appears to be sufficient to use the din5007-utf8-lang.xdy-module instead of the duden-utf8-lang.xdy-module as a basis, since the din5007-utf8-lang.xdy-module already sorts the umlauts the way that I was trying to achive. So in case other changes should still be applied to the sorting, the required module needs to be adjusted.

myfile.xdy:

(require "lang/german/din5007-utf8-lang.xdy")



some other custom sort-rules

If no other changes to the sorting need to be applied, it is sufficient to change the xindy language options in the document like so:

defxindylangopt{-M lang/german/din5007-utf8-lang}

share|improve this answer

edited 4 hours ago

answered 7 hours ago

mapfmapf

112

New contributor

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

(require "lang/german/din5007-utf8-lang.xdy")



some other custom sort-rules

defxindylangopt{-M lang/german/din5007-utf8-lang}

share|improve this answer

edited 4 hours ago

answered 7 hours ago

mapfmapf

112

New contributor

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

answered 7 hours ago

mapfmapf

112

New contributor

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

answered 7 hours ago

mapfmapf

112