jldoctest: be more generous about empty lines: allow them at the start, allow omitting them between adjacent `julia>` prompts#2810

fingolfin wants to merge 1 commit intomasterJuliaDocs/Documenter.jl:masterfrom

mh/generous-repl_splitterJuliaDocs/Documenter.jl:mh/generous-repl_splitterCopy head branch name to clipboard