Add example for numbered_prompt

[hyrodium]

I am planning to add an example with ipython-mode (JuliaLang/julia#46474) after Julia v1.9.0 release.

[terasakisatoshi]

Sounds great.

What should I do before doing that?

From my understanding I have to update the code below in replay function:

Replay.jl/src/Replay.jl

Lines 142 to 196 in 86c3f4a

	if current_mode_name == :julian
	mode = if startswith(cell, ';')
	ghost_script = cell[begin+1:end] # remove ';'
	# shell mode
	name = :shell
	prompt = "shell> "
	prompt_prefix = Base.text_colors[:bold] * Base.text_colors[:red]
	prompt_suffix = Base.color_normal
	current_mode_name = name
	(; name, prompt, prompt_prefix, prompt_suffix)
	elseif startswith(cell, ']')
	ghost_script = cell[begin+1:end] # remove ']'
	# pkg repl
	name = :repl
	prompt_prefix = Base.text_colors[:bold] * Base.text_colors[:blue]
	active_project_dir, _ =
	splitext(Base.active_project() |> dirname |> basename)
	if occursin(r"v[0-9].[0-9]", active_project_dir)
	prompt = "(@v$(VERSION.major).$(VERSION.minor)) pkg> "
	else
	prompt = "($(active_project_dir)) pkg> "
	end
	prompt_suffix = Base.color_normal
	current_mode_name = name
	(; name, prompt, prompt_prefix, prompt_suffix)
	elseif startswith(cell, '?')
	ghost_script = cell[begin+1:end] # remove '?'
	# help mode
	name = :help
	prompt = "help?> "
	prompt_prefix = Base.text_colors[:bold] * Base.text_colors[:yellow]
	prompt_suffix = Base.color_normal
	# help mode should back to julian mode
	current_mode_name = :julian
	(; name, prompt, prompt_prefix, prompt_suffix)
	else
	# julian mode
	name = :julian
	prompt = "julia> "
	prompt_prefix = Base.text_colors[:bold] * Base.text_colors[:green]
	prompt_suffix = Base.color_normal
	current_mode_name = :julian
	(; name, prompt, prompt_prefix, prompt_suffix)
	end
	else
	if endswith(cell, CTRL_C)
	# julian mode
	name = :julian
	prompt = "julia> "
	prompt_prefix = Base.text_colors[:bold] * Base.text_colors[:green]
	prompt_suffix = Base.color_normal
	current_mode_name = :julian
	mode = (; name, prompt, prompt_prefix, prompt_suffix)
	end
	end

This code (I wrote this one year ago) displays a hard-coded prompt that users could change. I need to read code in julia/stdlib/REPL module to figure out what Julia's REPL does.

[hyrodium]

The feature is renamed to numbered_prompt.
JuliaLang/julia#49314