Trying to attach a patch via e-mail.
Here is a patch (inlined, attaching doesn't work for me). ? hlist_header_exists.patch...
HList's "header exists" command doesn't work due a typo
Issue #16504: Catch SyntaxErrors raised by toke...
Null merge.
Issue #16792: Mark small ints test as CPython-o...
Issue #16793. Replace deprecated unittest asser...
Issue #16792: Use assertIs() to test identity.