Preventing a line break at the end of a sentence

hyphenationline-breakingwhite space

If I want to prevent a line break between two words, then I insert a ~ like this:

Lorem~impsum.

But what if I want to prevent a line break between the end of a sentence and the first word of the new sentence. If I do it like this

Lorem ipsum.~Dolor sit amet.

then the spacing is not correct after the full stop. I can think of

Lorem \mbox{ipsum. Dolor} sit amet.

but this would prevent Dolor from breaking into two lines if necessary. What other options do I have?

Best Answer

You can use \nolinebreak to add a penalty to prevent breaking at that point.

\documentclass{article}

\begin{document}

\setlength\xspaceskip{25pt}% for effect

1 Lorem ipsum.~Dolor sit amet.

2 Lorem ipsum. Dolor sit amet.

3 Lorem ipsum.\nolinebreak\space Dolor sit amet.


\vrule\parbox{2.7cm}{%
1 Lorem ipsum.~Dolor sit amet.

2 Lorem ipsum. Dolor sit amet.

3 Lorem ipsum.\nolinebreak\space Dolor sit amet.
}\vrule


\end{document}

Related Solutions

[Tex/LaTex] Restricting the length of a line of text while allowing line breaks

The answer to the question as posted is a bit fuzzy

Spaces tend to have a glue component that makes predicting their actual width rather hard unless you remove the glue by using \spaceskip & \xspaceskip
Do you really mean 'restrict' or do you mean 'expand'? If there is too much text for 3cm, there is no way to meet the requirements.
The three words, when on one line, will have two intermediate spaces. When on two lines, there will be only one space. It will be quite difficult to make sure the total used space in both cases is identical (in fact, I no idea how to do that in TeX82).
Do you really want the extra room to be filled with \hfill?

Anyway, you could try something like this:

\newdimen\mydimen
\mydimen=3cm
\setbox0=\hbox {Lorem Ipsum Dolor}\advance\mydimen-\wd0 \unhbox0\hskip\mydimen

which may or may not give you something that is exactly 3cm, depending on the rest of the paragraph.

A much more precise solution would be possible using node processing in LuaTeX, but there are not that many hooks in TeX82's line breaking routine that can really alter its behaviour.

[Tex/LaTex] Breaking words at the end of line

Various possibilities:

use the right kind of hyphenation rules, e.g., in your case it is possibly \usepackage[british]{babel} instead of the default hyphenation patterns
use \- inside a word to explicitly denote the allowed places to break, e.g. cryp\-to\-graphy
specify exceptions via \hyphenation{cryp-to-graphy}

Best Answer

Related Solutions

[Tex/LaTex] Restricting the length of a line of text while allowing line breaks

[Tex/LaTex] Breaking words at the end of line

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