[texhax] symbol for triple vertical 'x'

[Philip G. Ratcliffe]

> thanks for your help - I modified your code slightly to make the 'x's
> smaller and it looks fine for my purposes
>
> \newcommand{\recur}{\hbox to 1ex{\hbox to0pt{\raisebox{0.9ex}{\sffamily
> \tiny x}}%
> \hbox to0pt{\raisebox{-0.3ex}{\sffamily \tiny x}}%
> \hbox to0pt{\raisebox{0.3ex}{\sffamily \tiny x}}}}
>
>
> There's just one strange bug: a blank line preceding a \recur starts a
> new paragraph after the triple 'x' sign.
> Has anyone got any ideas as to the cause of this phenomenon?

It's something I've come across before but always been too lazy to fully
understand: it's something to do with LaTeX's handling of \hbox's.  Anyway,
none of the suggestions I made in the previous posting has this problem.

Cordialmente,  Philip G. Ratcliffe
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Professor of Nuclear & Subnuclear Physics
Dipartimento di Fisica e Matematica
Universita degli Studi dell'Insubria
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