[wp-trac] [WordPress Trac] #31972: Discussion Settings shows always the personal avatar for HighDPI screens

[WordPress Trac]

#31972: Discussion Settings shows always the personal avatar for HighDPI screens
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 Reporter:  ocean90       |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  4.2
Component:  General       |    Version:  trunk
 Severity:  normal        |   Keywords:  needs-patch
  Focuses:                |
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 Previoulsy: [comment:ticket:21195:59]

 On Discussion Settings the default Gravatar is forced via `$avatar_list .=
 preg_replace("/src='(.+?)'/", "src='\$1&forcedefault=1'", $avatar);`
 which doesn't match the srcset attribute added in [31721].

 https://cloudup.com/cpjdZkP0IiG or
 https://core.trac.wordpress.org/attachment/ticket/21195/21195.16.diff
 won't work, because we don't know if the arguments work for
 `get_avatar()`.

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Ticket URL: <https://core.trac.wordpress.org/ticket/31972>
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