Index: image_captcha.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/captcha/image_captcha/Attic/image_captcha.module,v
retrieving revision 1.1.4.20
diff -u -r1.1.4.20 image_captcha.module
--- image_captcha.module	9 Oct 2007 15:17:25 -0000	1.1.4.20
+++ image_captcha.module	9 Oct 2007 15:59:00 -0000
@@ -192,6 +192,17 @@
     ),
     '#default_value' => (int) variable_get('image_captcha_noise_level', 5),
   );
+  $form['image_captcha_distortion_and_noise']['image_captcha_character_spacing'] = array(
+    '#type' => 'select',
+    '#title' => t('Character spacing'),
+    '#description' => t('The spacing delimiter between characters when rendering the challenge.'),
+    '#default_value' => variable_get('image_captcha_character_spacing', '1.2'),
+    '#options' => array(
+      '1' => t('tight'),
+      '1.2' => t('normal'),
+      '1.5' => t('large'),
+    ),
+  );
   return system_settings_form($form);
 }
 
@@ -366,9 +377,10 @@
   }
   // get other settings
   $font_size = (int) variable_get('image_captcha_font_size', 30);
+  $character_spacing = (float) variable_get('image_captcha_character_spacing', 1.2);
   $characters = _image_captcha_utf8_split($code);
   $character_quantity = count($characters);
-  $width = 1.2 * $font_size * $character_quantity;
+  $width = $character_spacing * $font_size * $character_quantity;
   $height = 2 * $font_size;
 
   // create image resource