Once I found out the problem involves the Unicode U+200B character. Googling turned up some useful search results...
http://stackoverflow.com/questions/24205193/javascript-remove-zero-width-space-unicode-8203-from-string

The only solution I've found so far is to manually remove the character using this process:

 1. Use Chrome.
 2. Access the wiki page with 8203 / U+200B.
 3. Edit the wiki page.
 4. CTRL+F to search for the text afflicted with 8203 / U+200B.
 5. Press F2 to edit the text.
 6. While carefully preserving the "" (quotation marks) surrounding the 8203 and the text, delet the 8203 including it's i) ampersand, ii) hash, and iii) trailing semi-colon character.
 7. Save the page.