Escaping e function is deprecated. ~"value" should be used instead.

Noncompliant Code Example

.mybox {
  filter: e("ms:alwaysHasItsOwnSyntax.For.Stuff()");
}

Compliant Solution

.mybox {
  filter: ~"ms:alwaysHasItsOwnSyntax.For.Stuff()";
}

See