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failed to run `@example` block in src/examples/manipulate.md:10-24 ```@example manipulate using Winston using Tk using Compat; import Compat.String function render(c, p) ctx = getgc(c) Base.Graphics.set_source_rgb(ctx, 1, 1, 1) Base.Graphics.paint(ctx) Winston.page_compose(p, Tk.cairo_surface(c)) reveal(c) Tk.update() end ``` value = ArgumentError: Package Winston not found in current path. - Run `import Pkg; Pkg.add("Winston")` to install the Winston package.

failed to run `@example` block in src/examples/manipulate.md:30-101 ```@example manipulate module ManipulateContext using Winston end abstract type ManipulateWidget end get_label(widget::ManipulateWidget) = widget.label mutable struct SliderWidget <: ManipulateWidget nm label initial rng end function make_widget(parent, widget::SliderWidget) sl = Slider(parent, widget.rng) set_value(sl, widget.initial) sl end slider(nm::AbstractString, label::AbstractString, rng::UnitRange, initial::Integer) = SliderWidget(nm, label, initial, rng) slider(nm::AbstractString, label::AbstractString, rng::UnitRange) = slider(nm, label, rng, minimum(rng)) slider(nm::AbstractString, rng::UnitRange) = slider(nm, nm, rng, minimum(rng)) mutable struct PickerWidget <: ManipulateWidget nm label initial vals end function make_widget(parent, widget::PickerWidget) cb = Combobox(parent) set_items(cb, widget.vals) set_value(cb, widget.initial) set_editable(cb, false) cb end picker(nm::AbstractString, label::AbstractString, vals::Vector{T}, initial) where {T <: AbstractString} = PickerWidget(nm, label, initial, vals) picker(nm::AbstractString, label::AbstractString, vals::Vector{T}) where {T <: AbstractString} = picker(nm, label, vals, vals[1]) picker(nm::AbstractString, vals::Vector{T}) where {T <: AbstractString} = picker(nm, nm, vals) picker(nm::AbstractString, label::AbstractString, vals::Dict, initial) = PickerWidget(nm, label, vals, initial) picker(nm::AbstractString, label::AbstractString, vals::Dict) = PickerWidget(nm, label, vals, [string(k) for (k,v) in vals][1]) picker(nm::AbstractString, vals::Dict) = picker(nm, nm, vals) mutable struct CheckboxWidget <: ManipulateWidget nm label initial end function make_widget(parent, widget::CheckboxWidget) w = Checkbutton(parent, widget.label) set_value(w, widget.initial) w end get_label(widget::CheckboxWidget) = nothing checkbox(nm::AbstractString, label::AbstractString, initial::Bool) = CheckboxWidget(nm, label, initial) checkbox(nm::AbstractString, label::AbstractString) = checkbox(nm, label, false) mutable struct ButtonWidget <: ManipulateWidget label nm end make_widget(parent, widget::ButtonWidget) = Button(parent, widget.label) get_label(widget::ButtonWidget) = nothing button(label::AbstractString) = ButtonWidget(label, nothing) ``` value = ArgumentError: Package Winston not found in current path. - Run `import Pkg; Pkg.add("Winston")` to install the Winston package.

failed to run `@example` block in src/examples/manipulate.md:105-115 ```@example manipulate mutable struct EntryWidget <: ManipulateWidget nm label initial end make_widget(parent, widget::EntryWidget) = Entry(parent, widget.initial) entry(nm::AbstractString, label::AbstractString, initial::AbstractString) = EntryWidget(nm, label, initial) entry(nm::AbstractString, initial::AbstractString) = EntryWidget(nm, nm, initial) entry(nm::AbstractString) = EntryWidget(nm, nm, "{}") ``` value = UndefVarError: `ManipulateWidget` not defined

failed to run `@example` block in src/examples/manipulate.md:171-194 ```@example manipulate ex = quote x = linspace( 0, n * pi, 100 ) c = cos(x) s = sin(x) p = FramedPlot() setattr(p, "title", title) if fillbetween add(p, FillBetween(x, c, x, s) ) end add(p, Curve(x, c, "color", color) ) add(p, Curve(x, s, "color", "blue") ) file(p, "example1.png") p end obj = manipulate(ex, slider("n", "[0, n*pi]", 1:10) ,entry("title", "Title", "title") ,checkbox("fillbetween", "Fill between?", true) ,picker("color", "Cos color", ["red", "green", "yellow"]) ,button("update") ) ``` value = UndefVarError: `slider` not defined

failed to run `@example` block in src/examples/process.md:5-15 ```@example process f = "logo.gif" using Base64 function process_file(f) a = readchomp(`cat $f`) "<!-- $f -->\n<img src='data:image/gif;base64,$(base64encode(a))'></img>" end process_file(f) ``` value = failed process: Process(`cat logo.gif`, ProcessExited(1)) [1]