[Pkg-emacsen-addons] Bug#802154: Bug#802154: Bug#802154: sml-mode: fails to upgrade lenny -> squeeze -> wheezy -> jessie -> stretch

[David Bremner]

David Bremner <david at tethera.net> writes:

> "Barak A. Pearlmutter" <barak at pearlmutter.net> writes:
>
>>
>> The current bug is somewhat deeper.  If the elpa infrastructure can't
>> handle emacs (< 24), then it probably shouldn't try to use it.  This
>> situation could come up if both emacs23 and emacs24 are installed, say,
>> with update-alternatives set to point to emacs23.  So even an explicit
>> dependency on emacs24 won't completely address the issue.  I think these
>> considerations argue for explicit version testing, or careful feature
>> testing, in the installation scripts.  Although maybe dh-elpa (>= 0.13)
>> is already doing this?
>
> The 0.13 dh-elpa install scripts explicitly blacklists (well, really
> ignores) emacs23, but they don't know about emacs22. It seems like
> kindof a corner case to me (since emacs22 isn't in oldoldstable), but I
> don't mind also blacklisting emacs22 (and emacs21 for that matter).
>

I have gone ahead and made this change to dh-elpa, as of 0.14 it ignores
emacs 21 and 22 as well.  I guess I missed a chance to ignore emacs20.

d