Capitalization of umlauts using BibLaTeX style ieee-alphabetic

Question

Update: As pointed out in the linked page found below in the comments, the problem I describe is caused by biber and is promised to be fixed in version 2.8 DEV.

So I don't expect there will be another satisfying answer.

I have my problems to get German umlauts capitalized correctly in the references.

Here is the minimal non-working example:

The bibliography file ref.bib:

@Article{   ÜüzÜdÜ,
  author  = {\"Uding, G\"unther},
  title   = {\"Uber {\"{U}}berlegungen zur \"{U}berwindung des {Ü}bels},
  year    = {1996}
}

The main TeX file:

\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[backend=biber, style=ieee-alphabetic]{biblatex}
\addbibresource{ref.bib}
\begin{document}
 \nocite{*}
 \printbibliography
\end{document}

The output I get is:

Of course, I'd like it to read "Über Überlegungen zur Überwindung des Übels" instead.

That's not exactly my problem here. Capitalization works perfectly for non-umlauts with pdfTeX 3.14159265-2.6-1.40.17and biber 2.6. (But I know the problem you mention, since I always run into it when compiling a LaTeX file on my university computer.) — Johnny TeX, Dec 17 '16 at 14:03
I'll take a look: must still have the brace retention incorrect in one step. — Joseph Wright, Dec 17 '16 at 14:10
Going by the title, this is a really profound philosophical treatise -- it should be cited more often. — Michael Palmer, Dec 17 '16 at 14:37

score 2 · Answer 1 · edited Apr 13 '17 at 12:35

Your question has already been asked here, see also here. I illustrate the solution:

ref.bib

I used the umlauts directly.
I protected the title by using two extra pairs of curly brackets (three pairs in total).
I don't know why one extra pair of curly brackets is not enough. I guess that the issue here has something to do with it (it was mentioned/created in the comment of the question above).

Code:

@Article{Article01,
  author  = {Üding, Günther},
  title   = {Über Überlegungen zur Überwindung des Übels},
  year    = {1996}
}

@Article{Article02,
  author  = {Üding, Günther},
  title   = {{{Über Überlegungen zur Überwindung des Übels}}},
  year    = {1996}
}

Main Document

Here I changed the encoding.
I also use babel for the correct reference string (Literatur in German)
I added the famous csquotes package for better quotes.

Code:

\documentclass{article}

\usepackage[latin1]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[ngerman]{babel}

\usepackage{csquotes}  

\usepackage[
    backend = biber, 
    style = ieee-alphabetic
    ]{biblatex}

\addbibresource{ref.bib}

\begin{document}
 \nocite{*}
 \printbibliography
\end{document}

Result

Thanks, using three enclosing braces {{{ .... }}} gives the correct capitalization (I only tried two {{ .... }} before). Even though I'm not really satisfied to use this workaround. — Johnny TeX, Dec 17 '16 at 14:12

Capitalization of umlauts using BibLaTeX style ieee-alphabetic

1 Answers1

ref.bib

Main Document

Result