[texhax] could someone give me an explanation as to why fontsize fails with an overfull box

[David Carlisle]

It just happens that there are no good line breaking possibilities in
that paragraph, it is only slightly related to the font size. (that
is, you could just as well keep the default 10pt font and change the
text width and see the same).

Putting  \sloppy before the text gives latex a bit more freedom to
stretch white space and avoid an overfull box.

On Thu, 10 Jan 2019 at 17:44, Carlos <linguafalsa at gmail.com> wrote:
>
>
> I was just having the following:
>
>
> \documentclass{article}
> %\documentclass[14pt]{extarticle}
>
> %\usepackage{MinionPro}
> \usepackage{mathptmx}
> %\usepackage{libertine}
> %\usepackage{fontspec}
>
> %\setmainfont{MinionPro}
>
> \setlength{\parindent}{9.94pt}
>
> \showoutput
> \begin{document}
>
> %\fontsize{14.09}{14}\selectfont
> \fontsize{14.0908}{17}\selectfont
> %\fontsize{16.09}{17}\selectfont
>
> The reason is that upon restarting the computer, there are also other programs
> that start running on the background, among them Antivirus programs and
> whatever other programs Windows deems necessary for the functionality of
> the system.
>
> \end{document}
>
>
>
>
> Unfortunately I couldn't get past the 14.0908 for
> the font size when having a math font for example
> or a 16.09 when having anything else, before the
> textwidth for the document got thrown off.
>
> Going by the TeXbook it says that `\rightkip` glue
> is taken into consideration when badness and
> demerits are computed, but I don't see any
> badnessess here.
>
> By looking at the output no penalty comes after
> the first rightskip either, so I'm at a loss here.
>
> If anyone can clarify it for me, I'll appreciate
> it.
>
> Thanks
> Carlos
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