1.06 2020-01-23

* Adopt the testsuite for systems with directory separator other than '/'.

1.05 2020-01-21

* Fix the testsuite.

1.04 2020-01-20

* New preprocessing module "locus" adds file location information to
each node in the parse tree.

1.03 2019-04-30

* Handle include statements with directory as argument
* Fix cyclic inclusion detection on systems with negative device numbers

1.02 2017-12-14

* Fix cyclic inclusion detection

1.01 2017-12-12

* Minor fixes

1.00 2017-12-12

* Initial release