While the steps in the forum posts ads52 pointed me to did not work, they put me in the right direction.
To fix the blank page problem, you must edit /usr/share/applications/gedit.desktop
The line that says: Change to
That was what worked for me, but others have reported success and failure with each of the following:
Note that the last one is a lowercase U instead of the default capital.
Exec=gedit $1 < /dev/null
Exec=gedit "$1" < /dev/null
I believe the ones containing /dev/null are KDE solutions, mine and the %u are Gnome solutions.