Forwarded from <https://issues.guix.gnu.org/61964>.
Guile REPL snippet to reproduce:
--8<---------------cut here---------------start------------->8---
scheme@(guile-user)> (use-modules (texinfo))
scheme@(guile-user)> (use-modules (texinfo serialize))
scheme@(guile-user)> (display (stexi->texi (texi-fragment->stexi "@defun
Foo\nLorem Ipsum.@end defun")))
@c %start of fragment
@anchor{defun-Foo}@defun Foo
Lorem Ipsum.
@end defun
@c %end of fragment
scheme@(guile-user)> (display (stexi->texi (texi-fragment->stexi
"@footnote{Foo}")))
ice-9/boot-9.scm:1685:16: In procedure raise-exception:
Throw to key `parser-error' with args `(#f "Unknown command" footnote)'.
Entering a new prompt. Type `,bt' for a backtrace or `,q' to continue.
--8<---------------cut here---------------end--------------->8---
Regards,
Bruno
