bug#65042: 30.0.50; alpha-background doesn't effect background of stipple in emacs 30.0.50 pgtk

[Felix]

Po Lu <luangruo@yahoo.com> writes:

> Felix <felix.dick@web.de> writes:
>
>> The background of stipple stays opaque with alpha-background parameter
>> set for transparency.
>> This came up in the use of the new package 'indent-bars'.
>> The github issue: https://github.com/jdtsmith/indent-bars/issues/8
>> I tested this with 'emacs -Q' only enabling the needed packages (compat
>> and indent-bars).
>
> Thanks.  Do stipples start displaying adequately with this change?
>
No it doesn't.
But it gives weird artifacts (doubling the character one
line above or something like that)