scripts. Preferably in a smart, word-by-word basis, but if the UA doesn't support that, on a per character basis. Eitherway, lines should wrap">
<style>
#wrap, #ref {
  font-size: 2em;
  border: solid orange;
  margin: 5px;
  width: 30ch;
}
#test {
  width: 0;
  word-break: normal;
}
</style>

<p>Test passes if the two boxes below are <em>different</em>.

<div id=wrap lang=th>
  <div id=test>กรุงเทพคือสวยงาม</div>
</div>
<div id=ref lang=th>กรุงเทพคือส�