If I search for an page visited I sometimes need to check several similar history entries. Default of Firefox is, that every time I right-click and select open in new tab, the new tab opens and the history-window disapears.
For bookmarks I found out, that you can tweak in about:config the
to true, so that firefox opens bookmarks in a new tab and in the background.
I thought I found the same for my history problem with
However, now it opens any "diverted" new tab in a background tab, but I only want it for new tabs out of the history window and not e.g. when clicking on a link in a pdf. Then I want the clicked link to pop up directly.