/* power related stuff (incomplete) */

*[power =~ /line|minor_line|cable/][!voltage],
*[substation][power!=substation],
*[transformer][!power] {
  throwWarning: tr("{0} without {1}", "{0.key}", "{1.tag}");
  assertMatch: "way power=line";
  assertNoMatch: "way power=line voltage=1";
}

*[power=substation][!substation],
*[power=transformer][!transformer] {
  throwOther: tr("{0} without {1}", "{0.tag}", "{1.key}");
  assertMatch: "way power=substation";
  assertMatch: "way power=substation transformer=foobar";
  assertNoMatch: "way power=substation substation=foobar";
}