18. 11. 2022 v 12:42, Andrew Atkinson <andrew@wotcc.org.uk>:http://www.cave-registry.org.uk/svn/CheddarCatchment/Symbols/Symbols.th
symbol-assign area blocks BCA
Which makes all blocks -> blocks_BCA in the whole repository. So whenever you find a blocks you will be using it. Currently there are no use of the -attr option in the repository, I can send you a file that does use it, but for now I've kept it out of the repository.