Smileys interfering with text (R&D --> R&<smiley>)

[jblaine]

Description of the problem

Posts use graphical smilies w/o way to escape them.

Steps to reproduce

1. Make a post at my.1999.io and include the string "R&D"

What you expected to happen

I should see the string "R&D"

Instead, I see R&smiley_here

Other data

N/A