Re: Most of Elisp lacks lexical-binding: t

[T.V Raman]

Stefan Monnier <address@hidden> writes:


I did this for emacspeak a few years ago --- and most issues were caught
by byte-compiler warnings. That said, the emacspeak codebase over the
years has used (cl-declare (special ...)) for special variables, which
likely helped with managing spurious byte-compiler warnings.
>> My feeling is that most files could just be changed without problems,
>> but there will be enough exceptions that it needs to be done carefully.
>
> FWIW, my local Emacs build is hacked so that it always compiles with
> lexical-binding enabled.  In practice, it seems that most packages work
> just fine with it, but there are indeed very definite exceptions, and
> even for those packages that appear to work, the change may introduce
> subtle regressions.
>
> So, yes, it has to be done "by hand" and takes time.  Help is
> most welcome.  The best is to do it with the packages that you use, so
> you can more easily test the result.
>
>
>         Stefan
>
>

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