User blog:Mango523WNR/UTC 7 Feb 15

A bug in Vista Function is Found:

a[x]y[z]b

So, I will add a new rule To fix The bug:

Rule E3:\(a_1[\Delta_{1,1}][\Delta_{1,2}...[\Delta_{1,n}]a_2[\Delta_{2,1}][\Delta_{2,2}]...[\Delta_{2,n}]a_3...a_{n-1}[\Delta_{n-1,1}][\Delta_{n-1,2}]...a_n in Vista Function ↹ (a_1[\Delta_{1,1}][\Delta_{1,2}...[\Delta_{1,n}]a_2)[\Delta_{2,1}][\Delta_{2,2}]...[\Delta_{2,n}]a_3...a_{n-1}[\Delta_{n-1,1}][\Delta_{n-1,2}]...a_n in Vista Function \)