List mode ingredients editor truncates ingredients containing a semi-colon (;) or ampersand (&)

[svensven]

If the ingredients list has a semi-colon or ampersand in it, the saved ingredients will end there, as they are URL parameter separators and indicate the end of the ingredients_text_fr parameter.

e.g.
https://fr.openfoodfacts.org/cgi/product_jqm2.pl?code=20292867&ingredients_text_fr=Spécialités céréalières cuites 30% (eau, semoule de blé dur, blanc d'oeuf, sel), Salade 16%, Vinaigrette allégée en matières grasses'; au fromage blanc 15 % (eau, huile de colza 3,8%, fromage blanc 3%...

Looking at the record in the proper editor, the saved ingredients stop at matières grasses'.

[svensven]

The ingredients text should probably go through encodeURIComponent() before being added to a URL.