[1.10] Issue 5279: [SM] FB 1.10.0a4: SourceEditor is not defined
[1.10] Issue 5279: [SM] FB 1.10.0a4: SourceEditor is not defined

http://code.google.com/p/fbug/source/detail?r=12923

firebug/tracing-console,firebug/tracing-console