Work on task #10579 : Simplify code using editor

htdocs/adherents/note.php

htdocs/adherents/type.php

htdocs/admin/ihm.php

htdocs/categories/edit.php

htdocs/categories/fiche.php

htdocs/comm/action/fiche.php

htdocs/comm/mailing/fiche.php

htdocs/compta/bank/fiche.php

htdocs/compta/facture.php

htdocs/core/class/commonobject.class.php

htdocs/core/class/html.formmail.class.php

htdocs/core/tpl/addfreeproductform.tpl.php

htdocs/core/tpl/addpredefinedproductform.tpl.php