Large numbers seem not to be parsed properly

[Mr. Brian B. McGuinness]

GNU APL2:

      12345678909876543210
1.234567891E20
      10⍟12345678909876543210
20.09151498
      10⍟12345678909876543210.0
20.09151498
      123456789098765432100
1.234567891E21

      32 0 ⍕12345678909876543210
           123456789098765434870

      32 0 ⍕123456789098765432100
          1234567890987654316000

NARS2000:

      12345678909876543210
1.234567891E19
      10⍟12345678909876543210
19.09151498
      123456789098765432100
1.234567891E20

--- Brian