ford@'{dotless{i}}totta
That should be
ford@'{@dotless{i}}totta
In any case, I suspect you're using an old version of texinfo.tex.
Get the latest from ftp://ftp.gnu.org/gnu/texinfo.tex.
It works for me.
Just using the "\input huhyph.tex" is not enough, because there is already
These are TeX issues, not Texinfo issues. They are explained in the
Texinfo manual and in the Web2c manual.
But anyway, after creating texinfo.fmt, you can load it either by running
tex '&texinfo filename'
or by making a script `texinfo' load it,
or make a link `texinfo' to virtex, etc, etc. See the documentation for
details.
If you only have texinfo.fmt in your current directory, you may need to
change TEXFMTS to include . (although it should by default) and/or use
tex '&./texinfo' and/or ...
hyphenation after an accented charater is somehow not done)
That's one problem that can't easily be fixed. It requires using true
8-bit input characters and/or different fonts that have preaccented
characters. The design of TeX precludes hyphenation when composite
accents are used, such as produced by the standard accent commands. Sorry.