0CB4          ; disallowed                             # NA   <reserved-0CB4>
0CB5..0CB9    ; valid                                  # 1.1  KANNADA LETTER VA..KANNADA LETTER HA
0CBA..0CBB    ; disallowed                             # NA   <reserved-0CBA>..<reserved-0CBB>
0CBC..0CBD    ; valid                                  # 4.0  KANNADA SIGN NUKTA..KANNADA SIGN AVAGRAHA

[Illustration: FIG. 2.]

Much after the same manner, if ACBD [in _Fig._ 3.] represent a Glass
spherically convex on both sides (usually called a _Lens_, such as is a
Burning-glass, or Spectacle-glass, or an Object-glass of a Telescope)
and it be required to know how Light falling upon it from any lucid
point Q shall be refracted, let QM represent a Ray falling upon any
point M of its first spherical Surface ACB, and by erecting a

tf.reduce_join(a, 0, keep_dims=True) ==> [["ac", "bd"]]
tf.reduce_join(a, 1, keep_dims=True) ==> [["ab"], ["cd"]]
tf.reduce_join(a, 0, separator=".") ==> ["a.c", "b.d"]
tf.reduce_join(a, [0, 1]) ==> "acbd"
tf.reduce_join(a, [1, 0]) ==> "abcd"
tf.reduce_join(a, []) ==> [["a", "b"], ["c", "d"]]
tf.reduce_join(a) = tf.reduce_join(a, [1, 0]) ==> "abcd"
```
  }];

  let arguments = (ins