feature: enable building all examples from the main Makefile: `make examples_directory`; individual examples can be built using their example name plus `examples/`, e.g. `make examples/calculator`
feature: enable building all examples from the main Makefile: `make examples_directory`; individual examples can be built using their example name plus `examples/`, e.g. `make examples/calculator`

GerHobbelt/jison,GerHobbelt/jison,GerHobbelt/jison,GerHobbelt/jison