Bug?

[Herbert Voss]

Am 14.04.24 um 19:30 schrieb jmhuffle at femto-st.fr:
>
> I discover some strange behavior. If I compile the minimal file 
> "hb-bof.tex" with pdflatex belonging to TeX Live 2023, I got the message
>
> (\end occurred when \ifx on line 2 was incomplete)
>
> at the process's end. If I compile with pdflatex from TeX Live 2021, 
> this message disappears. This seems to be related to the "ltugproc" 
> class, because if I replace it by "article", this message also 
> disappear. But I performed a "diff" of the 2 versions of this class: 
> only the dates are different.
>

Running the example with documentclass article and also
with ltugboat and TL 2021 and TL 2023 on Overleaf I had
no problem.

Herbert