VirtIO html render failure using htlatex

[Karl Berry]

Hi Alex,

    I was attempting to re-build the VirtIO specifications since upgrading
    my main machine to Debian Trixie. The build fails to complete with:

Thanks for the report (and especially the minimal example).
In general, bugs in particular packages need to be reported upstream.

For tex4ht, bugs need to be emailed to tex4ht at tug.org,
or (less conveniently :) submitted at
https://puszcza.gnu.org.ua/bugs/?group=tex4ht.

I've forwarded this one for you. --thanks, karl.