Add --precision.
Add --precision.

ststeiger/topojson,youprofit/topojson,btahir/topojson,ongerit/topojson,AlpinHologramm/topojson,koshlan/topojson,lyhpcha/topojson,tsl3su/WorldMap_Choropleth,studiowangfei/topojson,whoinlee/topojson,hcxiong/topojson,mbostock/topojson