Invalid HTML code in the "source" field (and also in the description)

[paul-k-pastvu]

An error appears in a certain sequence of actions: Invalid HTML code in the "source" field (and also in the description).

1. See image https://pastvu.com/p/591487 in the edit mode:

2. When switching to this image by clicking to ann thumbnail in the top of right map, we have seen next situation in the source field:

Conditions of appears (for reproducing the situation):

1. Photo in the "New" status
2. URL was added in the first editing of file description. After second saving this bug not a reproducing

[aeifn]

Место, где эта строка генерируется: https://github.com/PastVu/pastvu/blob/cf30f6215f9d7ddcd0833362e0706a404ae14208/commons/Utils.js#L279