[texinfo version 2022-09-01.06]
Consider the following example.
```
\input texinfo.tex
foo
@multitable {blubb} {bla}
@item blubb @tab bla
@item blubb @tab bla
@end multitable
bar
@multitable {blubb} {bla}
@headitem blubb @tab bla
@item blubb @tab bla
@end multitable
baz
@bye
```
As can be seen, `@headitem` inserts extra vertical space, which looks
ugly.
