[Bug-apl] Something is wrong here (or I may be wrong myself)

[Christian Robert]

      D temp
┌32─────────────────────────────────────────────────────────────┐
│1 0 0 0 0 1 0 0 1 1 0 0 1 1 1 1 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0│
└───────────────────────────────────────────────────────────────┘
      D bitsidx
┌5─────────────┐
│28 29 30 31 32│
└──────────────┘
      bitsidx⊃temp
DOMAIN ERROR
      bitsidx⊃temp
      ^       ^
      (bitsidx⊃temp)←¯1
DOMAIN ERROR
      (bitsidx⊃temp)←¯1
       ^            ^
      temp[bitsidx]
0 0 0 0 0
      1⊃temp
99
      (1⊃temp)←99
      temp
99 0 0 0 0 1 0 0 1 1 0 0 1 1 1 1 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0
      ⎕io
1
      a←1 0 0 0 0 1 0 0 1 1 0 0 1 1 1 1 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0
      b← 26 27 28
      a[b]
0 0 0
      b⊃a
DOMAIN ERROR
      b⊃a
      ^ ^