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

[Zdenek Wagner]

pá 18. 2. 2022 v 10:49 odesílatel Herbert Voss
<Herbert.Voss at fu-berlin.de> napsal:
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> Am 18.02.22 um 10:43 schrieb Vincent Lefevre:
> > On 2022-02-18 09:12:01 +0000, Philip Taylor (Royal Holloway) wrote:
> >> Lamport's book is entirely clear on the supported syntax for sub-
> >> and superscripts.
> > 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.
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> sure. It is the same as \textbf1
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Or \textbf a but here it needs a space.

> Herbert
>

Zdeněk Wagner
http://ttsm.icpf.cas.cz/team/wagner.shtml


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> >
> > One-digit subscripts and superscripts occur very often, and I'm
> > wondering how many users put braces, e.g. $x_{1}$, in these cases.
> >
>