fix #2378

Author: JeffBezanson

base/client.jl

@@ -58,6 +58,7 @@ function eval_user_input(ast::ANY, show_value)
                 println()
                 iserr, lasterr = false, ()
             else
+                ast = expand(ast)
                 value = eval(Main,ast)
                 global ans = value
                 if !is(value,nothing) && show_value

src/jlfrontend.scm

@@ -135,7 +135,10 @@
   (parser-wrap (lambda ()
 		 (let* ((inp  (make-token-stream (open-input-string s)))
 			(expr (julia-parse inp)))
-		   (expand-toplevel-expr expr)))))
+		   ;; delay expansion so macros run in the Task executing
+		   ;; the input, not the task parsing it (issue #2378)
+		   expr
+		   #;(expand-toplevel-expr expr)))))
 
 ;; parse file-in-a-string
 (define (jl-parse-string-stream str)