I am using biblatex and biber to create the bibliography of my thesis. I am also using kpfonts.

I noticed that in almost every entry of my bibliography there is one line in which a symbol or letter extends over the right border. Take a look:

enter image description here

This problem only occurs in the bibliography section of the document, all normal text paragraphs have proper edges. The problem also does not occur when I am not using kpfonts.

Therefore I am concluding that the problem lays in the interplay of biblatex with kpfonts. Probably biblatex is using a different font internally to determine the spacing?

Here are the relevant code lines:


Who has an idea how to solve this?

  • 1
    my first try would be \usepackage{microtype}. May 18 '20 at 9:04
  • I had not heard of microtype before, but it did the trick. All problems are solved. How do I mark this question as solved when there is only a comment?
    – terri
    May 18 '20 at 9:09
  • For more help on line breaks in the bibliography see tex.stackexchange.com/q/442308/35864.
    – moewe
    May 18 '20 at 15:39
  • 1
    Not relevant to the question, but style=numeric,citestyle=numeric-comp, is equivalent to the shorter style=numeric-comp,. Usually bibencoding=utf8, is not needed, since the encoding can be inferred from the document (and you probably want to use UTF-8 for both the .tex and .bib file). You can (and should) remove \addcontentsline{toc}{chapter}{Bibliography} in favour of adding heading=bibintoc to the \printbibliography call: \printbibliography[heading=bibintoc]. Usually I would put the \setcounter lines in the preamble.
    – moewe
    May 18 '20 at 15:42

Try \usepackage{microtype}, it allows fonts to stretch a bit and so can often help in such cases.

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