Selecting the pause button will freeze the
combat resolution in place and keep the window from closing down, but the combat resolution
messages cannot be restarted for that combat, requiring the user to left click on the X or press Esc to close the window
and here
et ceteraSelecting the pause button will freeze the combat resolution window at the
current place in the battle. The combat resolution window cannot be “restarted” from that point
and the exit button should be used to close the window.
is wrong.
You can resume the combat resolution by simply pressing "space" twice
However, pressing the pause button again will not resume combat resolution. I presume this is just a bug.
Basically, the pause button only is able to pause while space will first pause and then unpause the resolution.