escape() function not marked as deprecated in lib.es5.d.ts

[Ionaru]

TypeScript Version: 3.6.0-dev.20190701

Search Terms: escape, unescape, deprecated

Code

const text = escape('Does this need escaping?')

Expected behavior:
escape is marked as deprecated, as per MDN and w3schools documentation.

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/escape
https://www.w3schools.com/jsref/jsref_escape.asp

Actual behavior:
escape is not marked as deprecated.

Related Issues:
#18813 (closed), #8639 (not the same issue)