bug#47240: Images Treated as Whitespace and Removed from Buffer

[Stefan Kangas]

Lars Ingebrigtsen <larsi@gnus.org> writes:

> "Spaulding, Jeff" <jeff.spaulding@englobal.com> writes:
>
>> Press M-: to bring up an Eval: prompt in the minibuffer.  Enter the
>> following elisp code:
>>
>> (insert-image (create-image "test.png"))
>>
>> The image will appear in the buffer.
>>
>> Press Enter.  The image will disappear.
>>
>> The image seems to always be deleted if the enter key is pressed (bound
>> to the newline function), but not when C-j is pressed (bound to the
>> electric-newline-and-maybe-indent function).  The image will not be
>> deleted if there is any text following it on the line.  This suggests
>> the image is being treated as trailing whitespace, as trailing
>> whitespace is treated in the same way.
>
> I think this is working basically as designed.  By default, images are
> whitespace and handled as such, but if you don't want that, you have to
> say
>
> (insert-image (create-image "test.png") "*")
>
> or something like that.
>
> So I'm not sure whether there's anything to fix here.  Does anybody else
> have an opinion here?

I agree that it seems to works as documented.

Perhaps the docstring of `insert-image' could make this caveat more
clear though?