prevent spritz taps if content is still downloaded
prevent spritz taps if content is still downloaded

this restricts spritz parsing to processed pocket data,
i.e. displayed data and spritzified data will be the same.

Otherwise spritz will parse the webpage itself, which usually fails.

Garfonso/MoboReader,Garfonso/MoboReader,Garfonso/MoboReader,Garfonso/MoboReader