Issue #3056207 by Pancho, Liam Morland: Use pdftk dump_data_fields_utf8

fillpdf.module

@@ -1578,13 +1578,6 @@ function fillpdf_parse_pdf($fid) {
   foreach ((array) $parsed_fields as $key => $field) {
     // Don't store "container" fields.
     if (!empty($field['type'])) {
-
-      // Pdftk sometimes inserts random � markers - strip these out. NOTE:
-      // This may break forms that actually DO contain this pattern, but
-      // 99%-of-the-time functionality is better than merge failing due to
-      // improper parsing.
-      $field['name'] = str_replace('�', '', $field['name']);
-
       // Use the field name as key, so to consolidate duplicate fields.
       $unique_fields[$field['name']] = TRUE;
     }
@@ -1732,19 +1725,19 @@ function fillpdf_execute_parse($method, $fillpdf, $mode = 'url') {
 
       // Use exec() to call pdftk (because it will be easier to go line-by-line
       // parsing the output) and pass $content via stdin. Retrieve the fields
-      // with dump_data_fields.
+      // with dump_data_fields_utf8.
       $output = array();
       $pdftk_command = array();
       $pdftk_command[] = $path_to_pdftk;
       $pdftk_command[] = escapeshellarg(drupal_realpath($filename));
-      $pdftk_command[] = 'dump_data_fields';
+      $pdftk_command[] = 'dump_data_fields_utf8';
       exec(implode(' ', $pdftk_command), $output, $status);
       if (count($output) === 0) {
         drupal_set_message(t('PDF does not contain fillable fields.'), 'warning');
         return array();
       }
 
-      // Build a simple map of dump_data_fields keys to our own array keys.
+      // Build a simple map of dump_data_fields_utf8 keys to our own array keys.
       $data_fields_map = array(
         'FieldType' => 'type',
         'FieldName' => 'name',