evilstreak/markdown-js — pull request #227 by stilvoid (2014-12-02 00:34:36+00:00)
Title: Don't convert ampersands when they form part of an HTML entity

The mardown spec allows for the use HTML entities.

The current markdown-js always converts '&' into '&'.

This patch allows 'AT&T' and 'X < Y' to work as intended.