# HG changeset patch
# User Alpar Juttner <alpar@cs.elte.hu>
# Date 2008-12-08 22:47:15
# Node ID a07eb292dd95da0bf86cc3d265ad7317745da855
# Parent  d05ad26c4d717b2d167c2427e4bbeb45546508c7
# Parent  33e9699c7d3a7861ea7246f59160b2302e39c4cf

Merge bugfix #193

diff --git a/lemon/lgf_reader.h b/lemon/lgf_reader.h
--- a/lemon/lgf_reader.h
+++ b/lemon/lgf_reader.h
@@ -870,7 +870,9 @@
       while (readSuccess() && line >> c && c != '@') {
         readLine();
       }
-      line.putback(c);
+      if (readSuccess()) {
+        line.putback(c);
+      }
     }
 
     void readNodes() {
@@ -1699,7 +1701,9 @@
       while (readSuccess() && line >> c && c != '@') {
         readLine();
       }
-      line.putback(c);
+      if (readSuccess()) {
+        line.putback(c);
+      }
     }
 
     void readNodes() {
@@ -2226,7 +2230,9 @@
       while (readSuccess() && line >> c && c != '@') {
         readLine();
       }
-      line.putback(c);
+      if (readSuccess()) {
+        line.putback(c);
+      }
     }
 
   public:
@@ -2567,7 +2573,9 @@
       while (readSuccess() && line >> c && c != '@') {
         readLine();
       }
-      line.putback(c);
+      if (readSuccess()) {
+        line.putback(c);
+      }
     }
 
     void readMaps(std::vector<std::string>& maps) {