doctest failure in ~/work/DataFrames.jl/DataFrames.jl/src/abstractdataframe/abstractdataframe.jl:312-368 ```jldoctest julia> df = DataFrame(i=1, x=2, y=3) 1×3 DataFrame Row │ i x y │ Int64 Int64 Int64 ─────┼───────────────────── 1 │ 1 2 3 julia> rename(df, [:a, :b, :c]) 1×3 DataFrame Row │ a b c │ Int64 Int64 Int64 ─────┼───────────────────── 1 │ 1 2 3 julia> rename(df, :i => "A", :x => "X") 1×3 DataFrame Row │ A X y │ Int64 Int64 Int64 ─────┼───────────────────── 1 │ 1 2 3 julia> rename(df, :x => :y, :y => :x) 1×3 DataFrame Row │ i y x │ Int64 Int64 Int64 ─────┼───────────────────── 1 │ 1 2 3 julia> rename(df, [1 => :A, 2 => :X]) 1×3 DataFrame Row │ A X y │ Int64 Int64 Int64 ─────┼───────────────────── 1 │ 1 2 3 julia> rename(df, Dict("i" => "A", "x" => "X")) 1×3 DataFrame Row │ A X y │ Int64 Int64 Int64 ─────┼───────────────────── 1 │ 1 2 3 julia> rename(uppercase, df) 1×3 DataFrame Row │ I X Y │ Int64 Int64 Int64 ─────┼───────────────────── 1 │ 1 2 3 julia> rename(uppercase, df, cols=contains('X')) 1×3 DataFrame Row │ i X y │ Int64 Int64 Int64 ─────┼───────────────────── 1 │ 1 2 3 ``` Subexpression: rename(uppercase, df, cols=contains('X')) Evaluated output: 1×3 DataFrame Row │ i x y │ Int64 Int64 Int64 ─────┼───────────────────── 1 │ 1 2 3 Expected output: 1×3 DataFrame Row │ i X y │ Int64 Int64 Int64 ─────┼───────────────────── 1 │ 1 2 3 diff = Warning: Diff output requires color. 1×3 DataFrame Row │ i X x y │ Int64 Int64 Int64 ─────┼───────────────────── 1 │ 1 2 3

Process completed with exit code 1.