I am also encountering this exact issue as described above. Could this be occurring maybe due to another plugin capturing the key stroke or something?
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gedit-plugins in Ubuntu. https://bugs.launchpad.net/bugs/1000193 Title: Text Size plugin for Gedit does not work properly Status in “gedit-plugins” package in Ubuntu: Confirmed Bug description: When Text Size plugin is enabled in Gedit, some key combinations do not work as expected: - Ctrl+"-" works to zoom out - Ctrl+"0" works to restore zoom - Ctrl+"+" does not work, instead, Ctrl+Shift+"+" works -Ctrl+mousewheel does not work to zoom in/out All worked perfectly in Ubuntu 11.10 ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: gedit-plugins 3.3.4-0ubuntu1 ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14 Uname: Linux 3.2.0-24-generic x86_64 ApportVersion: 2.0.1-0ubuntu7 Architecture: amd64 Date: Wed May 16 08:14:08 2012 InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425) ProcEnviron: TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: gedit-plugins UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gedit-plugins/+bug/1000193/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp