From 9a6176d0169f2657079d0fc3fc3e9c463cd3ba7a Mon Sep 17 00:00:00 2001
From: vdhoeven <vdhoeven@64cb5145-927a-446d-8aed-2fb7b4773692>
Date: Wed, 8 Jul 2009 10:33:49 +0000
Subject: [PATCH] Fix

git-svn-id: svn://svn.savannah.gnu.org/texmacs/trunk@2741 64cb5145-927a-446d-8aed-2fb7b4773692
---
 src/src/Data/Convert/Generic/input.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/src/Data/Convert/Generic/input.cpp b/src/src/Data/Convert/Generic/input.cpp
index b21054f0..ca1f4f1f 100644
--- a/src/src/Data/Convert/Generic/input.cpp
+++ b/src/src/Data/Convert/Generic/input.cpp
@@ -160,7 +160,7 @@ texmacs_input_rep::write (tree u) {
   tree& t= docs (channel);
   if (!is_document (u)) u= tree (DOCUMENT, u);
   if (t[N(t)-1] == "") t[N(t)-1]= u[0];
-  else {
+  else if (u[0] != "") {
     if (!is_concat (t[N(t)-1])) t[N(t)-1]= tree (CONCAT, t[N(t)-1]);
     if (!is_concat (u[0])) u[0]= tree (CONCAT, u[0]);
     t[N(t)-1] << A(u[0]);
-- 
2.11.4.GIT