bug#36702: 27.0.50; newline: don't auto-fill regardless of auto-fill-mode

[Andreas Röhler]

On 17.07.19 14:21, Basil L. Contovounesios wrote:
> severity 36702 minor
> found 36702 26.2.90
> tags 36702 + patch
> quit
>
> Andreas Röhler <andreas.roehler@easy-emacs.de> writes:
>
> > On 17.07.19 12:47, Basil L. Contovounesios wrote:
> >
> > > The docstring of newline says:
> > >
> > >     Calls `auto-fill-function' if the current column number is greater
> > >     than the value of `fill-column' and ARG is nil.
> > Did you try the test-function delivered?
> Yes.
>
> > It inserts a newline in an empty buffer.
> >
> > May that condition being matched then?
> Ah, are you referring to the condition that the current column number be
> greater than fill-column?  This condition is enforced by the default
> value of normal-auto-fill-function when auto-fill-mode is enabled,
> namely do-auto-fill.  A different auto-fill-function mightn't enforce
> it.
>
> In general, there are multiple conditions guarding calls to
> auto-fill-function (see e.g. internal-auto-fill and
> internal_self_insert), and I'm not sure the docstring of newline is the
> right place to discuss these things.

From my point of view it's not that much about the docu but about the 
design.

Users should not be forced to add an extra argument to prevent auto-fill 
when it is about a newline.


>   How's the following clarification
> for emacs-26 instead?

See above.