Re: [Emacs-diffs] scratch/widen-less a4ba846: Replace prog-widen with consolidating widen calls

[Eli Zaretskii]

On December 5, 2017 6:40:00 PM GMT+00:00, Dmitry Gutov <address@hidden> wrote:
> On 12/5/17 7:53 PM, Eli Zaretskii wrote:
> 
> > You assume that the indentation function has the same information
> about the higher-level context as its callers.  But that assumption is
> not necessarily true; narrowing exists precisely because higher-level
> code wants to set up lower-level code without explicitly passing it
> this information.
> 
> Without MMM in the equation, the caller here is
> indent-for-tab-command.
> 
> It's an interactive function, and the only narrowing present before it
> 
> is the one possibly applied by the user, interactively.

Interactive functions can also be called from Lisp.