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

[Dmitry Gutov]

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.