When a formula is pasted in a script or in the shell, some symbols are
replaced by their equivalent in python :
x turns into *
^ turns into **
√ turns into sqrt
etc
Change-Id: If6f2a22d4f3c148c2655e0892023b0e28058a9a6
For instance, the "power" event should insert "**" in the text, not "^".
Added a universal i18n file in apps/code.
Change-Id: I5d067b0c5b86590af95aa98856522d54e42acba6