How to configure Firefox and Firebug to use External Editors

[other] HELP: How to configure firebig editors. - Ubuntu Forums
(I used geany instead of gedit, HL 20100213 )

This will get Firebug to work with Gedit:

in firefoxes address bar type :

about:config

then search for :

view_source.editor.external

- and set this boolean to TRUE

then search for :

view_source.editor.path

- and set this to ' /usr/bin/gedit '

Then open FireBug and add Gedit as an editor:
View -> Open with Editor -> configure Editors
Name it gedit and then browse for the executable within '/usr/bin' and select gedit.
Now you should see '/usr/bin/gedit' underneath 'executable' column in the configured editors window.