[mythtv] Ticket #6666: Popups may not close if screen focus lost whilst popup is displayed

[Simon Kenyon]

Marc Tousignant wrote:
> Found out my issue was that php was not
> compiled with the json use flag.
>   
i had the same problem with the TV listings.
i asked on this list and was offered a few suggestions
it turns out that i too did not have json support in my php

i will update the wiki - as this is quite an important gotcha
--
simon