diff --git a/bibtexbrowser-test.php b/bibtexbrowser-test.php
index 52ae7f1..690c439 100755
--- a/bibtexbrowser-test.php
+++ b/bibtexbrowser-test.php
@@ -293,7 +293,7 @@ class BTBTest extends PHPUnit_Framework_TestCase {
   }
 
   function test_BIBTEXBROWSER_USE_LATEX2HTML() {
-    $bibtex = "@article{aKey,title={\`a Book},author={Martin Monperrus},publisher={Springer},year=2009,pages={42--4242},number=1}\n";
+    $bibtex = "@article{aKey,title={\`a Book},author={J\'e Lo},publisher={Springer},year=2009,pages={42--4242},number=1}\n";
    
     bibtexbrowser_configure('BIBTEXBROWSER_USE_LATEX2HTML', true);
     $test_data = fopen('php://memory','x+');
@@ -303,6 +303,7 @@ class BTBTest extends PHPUnit_Framework_TestCase {
     $db->update_internal("inline", $test_data);
     $dis = $db->getEntryByKey('aKey');
     $this->assertEquals("à Book",$dis->getTitle());
+    $this->assertEquals("Jé Lo",$dis->getFormattedAuthorsString());
     
     bibtexbrowser_configure('BIBTEXBROWSER_USE_LATEX2HTML', false);
     $test_data = fopen('php://memory','x+');
@@ -312,6 +313,7 @@ class BTBTest extends PHPUnit_Framework_TestCase {
     $db->update_internal("inline", $test_data);
     $dis = $db->getEntryByKey('aKey');
     $this->assertEquals("\`a Book",$dis->getTitle());
+    $this->assertEquals("J\'e Lo",$dis->getFormattedAuthorsString());
   }
 
   
diff --git a/bibtexbrowser.php b/bibtexbrowser.php
index 9195574..5e9fb9c 100755
--- a/bibtexbrowser.php
+++ b/bibtexbrowser.php
@@ -1189,15 +1189,18 @@ class BibEntry {
   }
 
   function transformValue($value) {
-    // trim space
-    $value = xtrim($value);
+    if (c('BIBTEXBROWSER_USE_LATEX2HTML')) 
+    {
+        // trim space
+        $value = xtrim($value);
 
-    // transform Latex markup to HTML entities (easier than a one to one mapping to each character)
-    // HTML entity is an intermediate format
-    $value = latex2html($value);
-    
-    // transform to the target output encoding
-    $value = html_entity_decode($value, ENT_QUOTES|ENT_XHTML, OUTPUT_ENCODING);
+        // transform Latex markup to HTML entities (easier than a one to one mapping to each character)
+        // HTML entity is an intermediate format
+        $value = latex2html($value);
+        
+        // transform to the target output encoding
+        $value = html_entity_decode($value, ENT_QUOTES|ENT_XHTML, OUTPUT_ENCODING);
+    }
     return $value;
   }
   
@@ -1210,11 +1213,8 @@ class BibEntry {
     // we assume that "comment" is never latex code
     // but instead could contain HTML code (with links using the character "~" for example)
     // so "comment" is not transformed too
-    if ($name!='url' && $name!='comment') {
-      
-      if (c('BIBTEXBROWSER_USE_LATEX2HTML')) {
+    if ($name!='url' && $name!='comment') {      
           $value = $this->transformValue($value); 
-      }
       
       // 4. transform existing encoded character in the new format
       if (function_exists('mb_convert_encoding') && OUTPUT_ENCODING != BIBTEX_INPUT_ENCODING) {
@@ -3804,7 +3804,7 @@ class BibDataBase {
   /** Adds a new bib entry to the database. */
   function addEntry($entry) {
     if (!$entry->hasField('key')) {
-      die('error: a bibliographic entry must have a key '.$entry->getText());
+      throw new Exception('error: a bibliographic entry must have a key '.$entry->getText());
     }
     // we keep its insertion order
     $entry->order = count($this->bibdb);