[X4U] I've a problem with zoom in.

[keith_w]

Up until a couple of days ago, I had no problem with keyboard shortcuts: 
zooming in with a command-option-"=" or zooming out with command-option-"-".

Now, it doesn't work.

No idea what has changed. Any help at finding the problem?

Thanks,

    keith whaley

Oh yes, OS 10.4.5, Mozilla 1.7.12.