Re: Calling Lisp from undo.c's record_* functions

[Stefan Monnier]

> prepare_to_modify_buffer.  This seems to avoid calling Lisp while the
> gap is being manipulated, but my question is: are there any pitfalls
> to calling Lisp code on the level of insdel.c functions?  I'd like to
> hear your opinion before we decide whether to install the proposed
> solution, or look for a safer one.

As mentioned earlier, this function has been running Elisp code forever
already via the before-change-functions hook.
So we don't really have a choice here.


        Stefan