DOC: Surface / doc mangle_dupe_cols in read_excel #23678
Merged
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xref #10523 (comment).
We already support
mangle_dupe_cols
(in the same vein as CSV). It was just hidden in**kwds
. This just documents it inread_excel
(it behaves exactly as it does inread_csv
) and tests that we inform the end user thatmangle_dupe_cols=False
is not supported...yet.Explicitly surfacing relevant CSV-related arguments will allow us to eventually remove the magical
**kwds
and obviate need for validation (xref #22189).