Function minPos

external/.scrollLibs.js:1109–1111

(a, b)

    return cmp(a, b) < 0 ? b : a
  }
  function minPos(a, b) {
    return cmp(a, b) < 0 ? a : b
  }

  // Most of the external API clips given positions to make sure they
  // actually exist within the document.