bug#60654: 30.0.50; tree-sitter: `transpose-sexps-function' uses a lambda in a defvar

[Yuan Fu]

Mickey Petersen <mickey@masteringemacs.org> writes:

> The defvar `transpose-sexps-function' holds on to a lambda function.
> Would it be possible to make it an actual function? Its purpose is
> rather important as it is the default transposition function that was
> moved out of `transpose-sexps'. Being able to reliably access it when
> `transpose-sexps-function' is overriden is useful.

CC’d Theo.

Yuan