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-rw-r--r--numpy/core/arrayprint.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/numpy/core/arrayprint.py b/numpy/core/arrayprint.py
index 125d57672..2dc56928c 100644
--- a/numpy/core/arrayprint.py
+++ b/numpy/core/arrayprint.py
@@ -417,6 +417,10 @@ def array2string(a, max_line_width=None, precision=None,
If a formatter is specified for a certain type, the `precision` keyword is
ignored for that type.
+ This is a very flexible function; `array_repr` and `array_str` are using
+ `array2string` internally so keywords with the same name should work
+ identically in all three functions.
+
Examples
--------
>>> x = np.array([1e-16,1,2,3])