The manual needs table with border.
But why? Your example seems like a simple table of equivalent numbers
in various bases. This will be readable enough without rules. It is
better than resorting to TeX, anyway.
It would be nice to be able to have rules in tables, but it's just not
How can I make complex table with line using texinfo?
@multitable is the command for multi-column tables.
However, there is no support for rules in a table (lines, borders,
whatever you want to call them). What are you trying to produce that
needs them?
I'm working on S/W manual. The manual needs table with border. I think @tag
is the only viable solution. So I've tried @tex command, but also failed. Here
comes the source. texi2dvi says ! Undefined command @begin {tabular} blah blah
@iftex
@tex
$$
\begin{tabular}{|r|l|}
\hline
7C0 hexa \\