CTPG 1.1.1, also how to auto-generate rules

New version of CTPG released, 1.1.1: https://github.com/peter-winter/ctpg

New HTML example added, which takes advantage of the fact that the parser definition is c++ code.

Link to the example:
https://github.com/peter-winter/ctpg/blob/master/examples/html.cpp