From 990126cde03428509191bed132f38050034d342e Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Tue, 19 Nov 2013 12:08:03 +0000
Subject: [PATCH] Shorter error message

---
 src/libexpr/primops.cc | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc
index bf913468d5..9c9d202eda 100644
--- a/src/libexpr/primops.cc
+++ b/src/libexpr/primops.cc
@@ -262,8 +262,7 @@ static void prim_abort(EvalState & state, Value * * args, Value & v)
 static void prim_throw(EvalState & state, Value * * args, Value & v)
 {
     PathSet context;
-    throw ThrownError(format("user-thrown exception: %1%") %
-        state.coerceToString(*args[0], context));
+    throw ThrownError(format("%1%") % state.coerceToString(*args[0], context));
 }