[EXT] Re: With beamer, "Missing { inserted." (regression)

[Vincent Lefevre]

On 2022-02-18 10:52:02 +0100, Zdenek Wagner wrote:
> pá 18. 2. 2022 v 10:49 odesílatel Herbert Voss
> <Herbert.Voss at fu-berlin.de> napsal:
> > Am 18.02.22 um 10:43 schrieb Vincent Lefevre:
> > > Actually it is not clear at all. From the table of contents, I can see
> > > that this is Section 3.3.1 page 40, and there, braces are always used,
> > > but Lamport does not say that they are mandatory. This is not clear
> > > because when one tries $x_1$, this works as wanted.
> >
> > sure. It is the same as \textbf1
> >
> Or \textbf a but here it needs a space.

The point is readability. I find x_1 to be more readable than x_{1}
(especially if there are other braces around), while "\textbf1" or
"\textbf a" are less readable / more confusing than their version
with braces.

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