Description of problem: gnuplot has a Requires on emacs. This should be emacs(bin) so that either emacs or emacs-nox can fulfill the requirement. https://fedoraproject.org/wiki/Packaging:Emacs#Package_Requires Version-Release number of selected component (if applicable): emacs-gnuplot-0:4.6.5-3.fc21.noarch
gnuplot-4.6.5-5.fc21 has been submitted as an update for Fedora 21. https://admin.fedoraproject.org/updates/gnuplot-4.6.5-5.fc21
Package gnuplot-4.6.5-5.fc21: * should fix your issue, * was pushed to the Fedora 21 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing gnuplot-4.6.5-5.fc21' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2015-2719/gnuplot-4.6.5-5.fc21 then log in and leave karma (feedback).
gnuplot-4.6.5-5.fc21 has been pushed to the Fedora 21 stable repository. If problems still persist, please make note of it in this bug report.