[EXT] Re: rendering brackets

[Michael J. Baars]

On Wed, 2020-06-17 at 16:01 +0100, David Carlisle wrote:
> On Wed, 17 Jun 2020 at 15:30, Michael J. Baars <
> mjbaars1977.tex-live at cyberfiber.eu> wrote:
> > Hi Philip,
> > 
> > 
> > 
> > Well, you can do whatever you like with the .tex example, trow it
> > away
> > 
> > for all I care.
> > 
> > 
> > 
> > I'm just trying to tell you, as a friend, that that
> > 
> > "\left(\frac{1}{a}\right)" and "\left(\frac{a}{1}\right)" are
> > rendered
> > 
> > with brackets of different size, while the brackets of
> > 
> > "\left(\frac{1}{2}\right" and "\left(\frac{2}{1}\right)" are
> > rendered
> > 
> > with brackets of the same size.
> > 
> > 
> > 
> 
> That's not unexpected behaviour. Note the denominator isn't affecting
> the layout here so your observation is equivalent to

I see it like this. 75% of the tex input behaves as "intended" (as more
than 50% of the input), while 25% behaves differently. I would call
that unexpected behaviour.
> \documentclass[11pt]{article}
> 
> \begin{document}
> 
> $\left(\frac{1}{}\right)$ and $\left(\frac{a}{}\right)$ are rendered
> with brackets of different size, while the brackets of
> $\left(\frac{1}{}\right)$ and $\left(\frac{2}{}\right)$ are rendered
> with brackets of the same size. 
> \end{document}
> 
> 
> which follows from the fact that 1 and 2 have the same height but 1
> has more height than a
> 
> But this due to the font metrics and TeX's rules for using them, not
> anything to do with any texlive specific coding: you would see the
> same in any tex implementation.
> 
> David
> 
> 
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