Hotkey assignment for Next Source under Text Entry Settings deactivates at startup

[Yonatan Yehezkeally]

When I originally upgraded to Saucy, I encountered the same bug many reported with using modifier-only combinations to switch keyboard layout (but 1218322?). Thankfully, that was swiftly resolved with suggested updates (I didn't employ any special ppa solution back then, but rather temporarily used a combination I wasn't used to).

However, lately I've noted that whenever I restart Ubuntu my designated combination of ALT+SHIFT L stops working to switch layout. It's still listed as the combination in "Text Entry Settings > Switch to next source" and in "Settings > Keyboard > Shortcuts > Typing > Switch to next source", but it doesn't work. However, if I use either console to designate a new combination (doesn't matter which), then return to ALT+SHIFT L, it works again (for the duration of my session).

This bug is unrelated to modifier-only combination: the same behavior is exhibited when I choose ALT+= for my combination (on new session, combination is still listed, but doesn't work until it is reset). However, this *doesn't* happen when I use 3-key-combinations like ALT+SHIFT+Q or ALT+SHIFT++.

To be clear: this is a relatively new bug (last month, for sure). I was happily using ALT+SHIFT L for some time now.

To replicate this bug:
1. Go into "Text Entry settings".
2. Click on the combination for "Switch to next source", hold ALT then click and release =.
3. Log out, log back in.
4. Hit ALT+=. The layout should change to the next source, but (for me, at least) it doesn't.

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: unity 7.1.2+13.10.20131014.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.11.0-17.31-generic 3.11.10.3
Uname: Linux 3.11.0-17-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
Date: Thu Feb 20 12:43:22 2014
InstallationDate: Installed on 2012-11-23 (453 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MarkForUpload: True
SourcePackage: unity
UpgradeStatus: Upgraded to saucy on 2013-10-18 (124 days ago)