[data-icon=test-1]:before {
  content: "\\";
}

[data-icon=test-2]:before {
  content: "'";
}

[data-icon=test-3]:before {
  content: '"';
}

[data-icon=test-4]:before {
  content: "\\";
}

[data-icon=test-5]:before {
  content: "'";
}

[data-icon=test-6]:before {
  content: '"';
}

.\E9motion {
  blah: hi;
}

.\E9 dition {
  blah: hi;
}

.\0000E9dition {
  blah: hi;
}