examples/svg-boundings.js
function expandXBounds(bounds, value) {
  if (bounds[MIN_X] > value) bounds[MIN_X] = value;else if (bounds[MAX_X] < value) bounds[MAX_X] = value;
}
function expandXBounds(bounds, value) {
  if (bounds[MIN_X] > value) bounds[MIN_X] = value;else if (bounds[MAX_X] < value) bounds[MAX_X] = value;
}
function expandXBounds ( bounds , value ) { if ( bounds [ MIN_X ] > value ) bounds [ MIN_X ] = value ; else if ( bounds [ MAX_X ] < value ) bounds [ MAX_X ] = value ; }
expand the x-bounds, if the value lies outside the bounding box
expand the x - bounds if the value lies outside the bounding box