respect semicolon output supression when exporting to Documenter

src/Literate.jl

@@ -408,8 +408,13 @@ function markdown(inputfile, outputdir; preprocess = identity, postprocess = ide
                 write(iomd, "; continued = true")
             end
             write(iomd, '\n')
+            last_line = ""
             for line in chunk.lines
                 write(iomd, line, '\n')
+                last_line = line
+            end
+            if documenter && REPL.ends_with_semicolon(last_line)
+                write(iomd, "nothing #hide\n")
             end
             write(iomd, codefence.second, '\n')
         end

test/runtests.jl

@@ -221,6 +221,9 @@ content = """
         ## Indented comment
     end
 
+    # Semicolon output supression
+    1 + 1;
+
     #nb # A notebook cell with special metadata
     #nb %% Meta1 {"meta": "data"}
     #nb 1+1
@@ -279,6 +282,8 @@ const expansion_warning = get(ENV, "HAS_JOSH_K_SEAL_OF_APPROVAL", "") == "true"
                 # Indented comment
             end
 
+            1 + 1;
+
             # This file was generated using Literate.jl, https://github.com/fredrikekre/Literate.jl
 
             """
@@ -458,6 +463,13 @@ end
             end
             ```
 
+            Semicolon output supression
+
+            ```@example inputfile
+            1 + 1;
+            nothing #hide
+            ```
+
             *This page was generated using [Literate.jl](https://github.com/fredrikekre/Literate.jl).*
 
             """