recur.mac correct bug in varc2
Looks good. This code used to be valid, but it is now an error to have duplication in a block's variable list (see commit [f73f82] for more). But anyway, this should be fixed in commit [44a0cb] now. Thanks!
Fix bug #3379: recur.mac correct bug in varc2
Running the test suite twice causes errors
Typecheck backtrace's argument
backtrace: print the entire call stack when called with no arguments
Docs: trivial whitespace change for consistency
Change the format of release dates on the English pages