$table_editor->add_sort_field('priority', true, true);
$table_editor->describe('read_perm','lecture',true);
$table_editor->describe('write_perm','écriture',true);
$table_editor->add_sort_field('priority', true, true);
$table_editor->describe('read_perm','lecture',true);
$table_editor->describe('write_perm','écriture',true);