From: Holger Jeromin <mailgithub@katur.de>
Date: Mon, 14 Sep 2015 14:52:39 +0000 (+0200)
Subject: Add srcset to img tags inside picture elements
X-Git-Tag: live~4176
X-Git-Url: https://git.openstreetmap.org/rails.git/commitdiff_plain/37a4fc6dd14dfedc0c44a8d7bf6453df0db9e1b5?ds=sidebyside;hp=37a4fc6dd14dfedc0c44a8d7bf6453df0db9e1b5

Add srcset to img tags inside picture elements

Some browsers (in particular Safari on iOS) don't support picture
yet but do support srcset on the img tag.
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