Fix StickyMessages for non-ASCII messages (#5)

Author: tkf

src/StickyMessages.jl

@@ -71,7 +71,7 @@ function showsticky(io, prev_nlines, messages)
         for i = 1:length(messages)-1
             write(iob, messages[i][2])
         end
-        write(iob, messages[end][2][1:end-1])
+        write(iob, chop(messages[end][2]))
     end
     # TODO: Ideally we'd query the terminal for the line it was on before doing
     # all this and restore it if it's not in the new non-scrollable region.

test/StickyMessages.jl

@@ -35,4 +35,8 @@ end
                                 "\e[20;1H\e[J\e[1;20r\e[19;1H"
     pop!(stickies, :b)
     @test String(take!(buf)) == ""
+
+    push!(stickies, :a=>"αβγ\n")
+    @test String(take!(buf)) ==  #scroll    #csr    #pos   #msg #pos
+                                "\e[20;1H\n\e[1;19r\e[20;1Hαβγ\e[19;1H"
 end