private bool r_undouble()
{
int v_1;
// (, line 90
// test, line 91
v_1 = limit - cursor;
// among, line 91
if (find_among_b(a_2, 3) == 0)
{
return false;
}
cursor = limit - v_1;
// [, line 91
ket = cursor;
// next, line 91
if (cursor <= limit_backward)
{
return false;
}
cursor--;
// ], line 91
bra = cursor;
// delete, line 91
slice_del();
return true;
}