V Spaces

<..html latex halign..>+
 \def\:temp#1{\tmp:dim=#1\xdef\HBorderspace{\the\tmp:dim}\cr\a:vspc}
 \HLet\@xargarraycr=\:temp
 \NewConfigure{//[]}[1]{\c:def\a:vspc{#1}}
 -_-_-

<..init for vspaces..>
 \global\let\vspc:s=\empty
 -_-_-