bug#22318: summary line format option %U affects faces update

[Lars Ingebrigtsen]

Alexey Veretennikov <alexey.veretennikov@gmail.com> writes:

> The default value of gnus-summary-line-format is "%U%R%z%I%(%[%4L:
> %-23,23f%]%) %s\n".
> When one remove %U from the this value, i.e. uses "%R%z%I%(%[%4L:
> %-23,23f%]%) %s\n",
> the Gnus stops to update the face of read article in the summary buffer
> when the article is read with 'space'
> See the animated gif attached.

I think Gnus just doesn't support not having %U in the summary mode
line, so I don't think this is a bug.  Unless I'm misreading the code
here...

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   bloggy blog: http://lars.ingebrigtsen.no