Code style readability: what's better?

This:

\def\htxt#1{\setbox\bbox=\hbox{#1}\hhght=\ht\bbox\hwdth=\wd\bbox
   \hdpth=\dp\bbox}

or this:

\def\htxt#1{
    \setbox\bbox=\hbox{#1}
    \hhght=\ht\bbox
    \hwdth=\wd\bbox
    \hdpth=\dp\bbox
}

???