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

Carlos linguafalsa at gmail.com
Fri Jan 11 02:07:03 CET 2019

>On Thu, Jan 10, 2019 at 09:33:06PM +0000, David Carlisle wrote:
>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.

`\sloppy` seems to work. I would have expected to see an underfull
box, but I didn't.

but tweaking around with it so would a \tolerance=204 in that case

Further googling about this issue with the macros fussy and sloppy,
and going by your explanation back in 2015 when the question about
\sloppy and \fussy came around, you said that quote  but left it
[tolerance] at 9999, which is probably good for compatibility with
LaTeX2.09, but bad for everything else. endquote


why would 

  \tolerance 9999%
  \emergencystretch 3em%
  \hfuzz .5\p@

on the preamble returns undefined control sequence but yet fussy
doesn't,  is just beyond me.

Thanks David.
>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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