Update indexing.rst

[AllenDowney]

Adding a warning, and example, about using attribute access to create a new column.

[AllenDowney]

This pertains to Issue #7175

[jreback]

maybe move these couple of lines to an actual .. warning:: see below

[AllenDowney]

I considered that but thought this was enough of a gotcha that I wanted to
keep the warning right there with the problematic example.

But I am willing to be overruled.

On Tue, May 20, 2014 at 3:01 PM, jreback notifications@github.com wrote:

In doc/source/indexing.rst:

@@ -206,15 +206,19 @@ as an attribute:
dfa.A
panel.one

-Setting is allowed as well
+You can use attribute access to modify an existing element of a Series or column of a DataFrame, but be careful;

maybe move these couple of lines to an actual .. warning:: see below

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Reply to this email directly or view it on GitHubhttps://github.com//pull/7188/files#r12861818
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[jreback]

ok...fine then...

@jorisvandenbossche ?

[jorisvandenbossche]

Looking good. Thanks!