Adjusted to allow the very first thing found to be data, and ensured that unrecognised symbols break files just as gaps do.
Adjusted to allow the very first thing found to be data, and ensured that unrecognised symbols break files just as gaps do.

TomHarte/CLK,TomHarte/CLK,TomHarte/CLK,TomHarte/CLK,TomHarte/CLK