In my document some of long words are not automatically broken at the end of the line. Is there a way to fix that?

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    could you be more precise as to what exactly the problem looks like? Maybe post a minimal working example so we can see what you're doing? – Nils L Jun 8 '13 at 9:09
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    Let me guess: Are some of these very long words hyphenated? TeX won't insert further hyphens into words that are already hyphenated. Please edit your posting to provide some examples of problem words. – Mico Jun 8 '13 at 10:57

Make sure you have the correct language specified with eg \usepackage[german]{babel} then if there are still some words TeX does not know how to hyphenate you can add hyphenation rules in the preamble such as

\hyphenation{ve-ry-lon-g-w-ord  ev-en-long-er-com-pound-word-with-no-spaces}

and then if either of verylongword or evenlongercompoundwordwithnospaces appears in the document it may be hyphenated at the indicated places.

| improve this answer | |
  • The hyphenation exceptions should be declared after \begin{document} or, in the preamble, between \begin{hyphenrules}{<language>} and \end{hyphenrules}. With babel 3.9 there are better facilities. – egreg Jun 8 '13 at 16:59
  • Non of the above suggestions worked for me =( – abdu Jun 8 '13 at 17:11
  • Ok I discovered that I also have to add \selectlanguage{ngerman} after \begin{document} and it works. But when using a german vowel like ä or ü in the hyphenation, it doesn't work. – abdu Jun 8 '13 at 17:41
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    If German umlauts prevent hyphenation then check and ensure that you use the correct font encoding and optionally also an input encoding that allows you to input German umlauts as a single character. E.g. \usepackage[TS1,T1]{fontenc} and \usepackage[utf8]{inputenc}. Without an explicit font encoding the traditional OT1 encoding is used. With this encoding German umlauts are printed as compound characters and those prevent hyphenation. – nagmat84 Sep 20 '17 at 7:41

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