Follow-up Comment #2, bug #172 (project tex4ht):
Thank you for the report, the original issue indeed seems to be fixed.
The footnote issue can be fixed without need to use sed. I cannot find the
source of the spurious spaces, but tex4ht can be instructed to ignore spaces
using the \special{t4ht@
Follow-up Comment #1, bug #172 (project tex4ht):
I can't confirm the behaviour for \ref{} and \cite{} but only for \footnote{}
and \footcite{}.
In those cases, there is a possibility for a dirty workaround:
$ cat /usr/share/texmf/tex4ht/base/unix/tex4ht.env | sed -E
"s:(4oo.+)(mv):\1sed -E 's/(