bug#48043: UTF-8 magic comment is unwelcome with recent Ruby versions

[Peter Oliver]

On Tue, 27 Apr 2021, Dmitry Gutov wrote:

> On 26.04.2021 21:28, Peter Oliver wrote:
>
> >  Two patches are attached to address this:
> >
> >  - The first patch adds a new choice to ruby-insert-encoding-magic-comment,
> >  unless-utf8, which causes the magic comment not to be inserted if the
> >  encoding is UTF-8.
> >
> >  - The second patch, perhaps more controversially, makes this the default.
>
> Both changes make sense to me.
>
> However, I've looked at the existing code and found a prior change which 
> intended for this to be more customizable already, yet had a minor bug.
>
> Please try out the following patch:

That works for me, and I think is more straightforward than my approach.  
Thanks.

Attached is an additional patch which adapts the tests added in my patch for 
your patch.

--
Peter Oliver

0001-Test-ruby-mode-set-encoding-with-a-few-different-enc.patch
Description: Text document