@b{This is boldface.}

@u{This is underscore (type u).}

@un{This is underscore (type un).}

@ux{This is underscore (type ux).}

@i{This is italic.}

This is a test of the Perfect Printer super- and sub-scripting
commands.  Here is a @+{super} and a @-{sub} script.  Is there
enough vertical space around them?  Here is some more text just
to be sure we can see what's happening.
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