From 8911aef798ef41dd56e1cc0fb777747476cf3443 Mon Sep 17 00:00:00 2001
From: Marijn Haverbeke <marijnh@gmail.com>
Date: Mon, 26 Sep 2011 04:11:35 +0200
Subject: [PATCH] Make return-by-ref function headers pretty-print safely

Closes #972
---
 src/comp/syntax/print/pprust.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/comp/syntax/print/pprust.rs b/src/comp/syntax/print/pprust.rs
index 8b1fa025cac0..129d00f0f886 100644
--- a/src/comp/syntax/print/pprust.rs
+++ b/src/comp/syntax/print/pprust.rs
@@ -1149,7 +1149,7 @@ fn print_fn_args_and_ret(s: ps, decl: ast::fn_decl, constrs: [@ast::constr]) {
           ast::return_ref(mut, arg) {
             word(s.s, mut ? "&!" : "&");
             if vec::len(decl.inputs) > 1u {
-                word(s.s, std::uint::str(arg));
+                word_space(s, std::uint::str(arg));
             }
           }
           _ {}