2016-03-20: Sometimes slash comments are ignored on the left margin. This has been detected during the development of Solo Forth. The error conditions are still unknown.
2016-08-14: Extract the parameter checks that are common to all modules.
2016-12-21: Add the name of the file to the "block too long" error message.
2017-01-09: Add the text of the current line to the "block too long" error message.
2017-02-27: Improve documentation of parameters.
2017-02-27: Add a Vim file with the mappings used by fsb to check the source.
2020-02-16: Replace <CONFIG.sh>, <INSTALL.sh> and <UNINSTALL.sh> with a <Makefile>.