Behaviour on leave or stay on page pop-up

[make-github-pseudonymous-again]

Issue type:

• Bug report

Version:

Vimperator:	3.15.0 (created: 2016/10/05 01:11:26)
Firefox:	Mozilla/5.0 (X11; Linux x86_64; rv:50.0) Gecko/20100101 Firefox/50.0

Description:

When deleting a buffer that pops a leave-or-stay-on-page window and chosing stay, the buffer stays open but disappears from the buffer list.

Expected behavior:

Buffer stays in buffer list.

[timss]

Would you happen to have an example website this could be tested with?

[make-github-pseudonymous-again]

For example gmail: compose new mail > disable internet connection > edit mail > close window > stay on page > press b. If one opens a new tab after this then the gmail buffer reappears.