If you write the `@smallbook' command between the start-of-header and
end-of-header lines, the Texinfo mode TeX region formatting command,
`texinfo-tex-region', will format the region in "small" book size
If you write the `@smallbook' command between the start-of-header and
end-of-header lines, the Texinfo mode TeX region formatting command,
`texinfo-tex-region', will format the region in "small" book size