(Try to) Simplify implementation

src/Literate.jl

@@ -522,7 +522,6 @@ function markdown(inputfile, outputdir=pwd(); config::AbstractDict=Dict(), kwarg
         else # isa(chunk, CodeChunk)
             iocode = IOBuffer()
             codefence = config["codefence"]::Pair
-            execute = config["execute"]::Bool
             write(iocode, codefence.first)
             # make sure the code block is finalized if we are printing to ```@example
             # (or ````@example, any number of backticks >= 3 works)
@@ -530,18 +529,18 @@ function markdown(inputfile, outputdir=pwd(); config::AbstractDict=Dict(), kwarg
                 write(iocode, "; continued = true")
             end
             write(iocode, '\n')
+            # filter out trailing #hide unless code is executed by Documenter
+            execute = config["execute"]::Bool
+            write_hide = isdocumenter(config) && !execute
+            write_line(line) = write_hide || !endswith(line, "#hide")
             for line in chunk.lines
-                # filter out trailing #hide (unless leaving it for Documenter)
+                write_line(line) && write(iocode, line, '\n')
-                if !endswith(line, "#hide") || (isdocumenter(config) && !execute)
-                    write(iocode, line, '\n')
-                end
             end
-            if isdocumenter(config) && !execute && REPL.ends_with_semicolon(chunk.lines[end])
+            if write_hide && REPL.ends_with_semicolon(chunk.lines[end])
                 write(iocode, "nothing #hide\n")
             end
             write(iocode, codefence.second, '\n')
-            write_code = !all(l -> endswith(l, "#hide"), chunk.lines) || (isdocumenter(config) && !execute)
+            any(write_line, chunk.lines) && write(iomd, seekstart(iocode))
-            write_code && write(iomd, seekstart(iocode))
             if execute
                 execute_markdown!(iomd, sb, join(chunk.lines, '\n'), outputdir;
                                   inputfile=config["literate_inputfile"],