Bug#892826: RFP: libjs-xss -- sanitize untrusted HTML by whitelist

["W. Martin Borgert" <debacle@debian.org>]

Package: wnpp
Severity: wishlist

* Package name    : libjs-xss
  Version         : 0.3.5
  Upstream Author : Zongmin Lei <leizongmin@gmail.com>
* URL             : https://github.com/leizongmin/js-xss
* License         : MIT
  Programming Lang: JavaScript
  Description     : sanitize untrusted HTML by whitelist

Sanitize untrusted HTML (to prevent XSS) with a configuration
specified by a Whitelist.

Features:
 * Specifies HTML tags and their attributes allowed with whitelist
 * Handle any tags or attributes using custom function.

Dependency for converse.js (#807275).