Index: contributions/modules/captcha/captcha.pages.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/captcha/captcha.pages.inc,v
retrieving revision 1.5
diff -r1.5 captcha.pages.inc
129a130,134
> 	
> 	if (variable_get('captcha_ignore_case_sensitivity', TRUE)) {
> 	  $captcha_response = strtoupper($captcha_response);
> 	  $solution = strtoupper($solution);
> 	}
Index: contributions/modules/captcha/image_captcha/image_captcha.admin.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/captcha/image_captcha/image_captcha.admin.inc,v
retrieving revision 1.8
diff -r1.8 image_captcha.admin.inc
45c45,52
< 
---
>   // option for unsophisticated users who can't handle character case sensitivity
>   $form['image_captcha_code_settings']['captcha_ignore_case_sensitivity'] = array(
>     '#type' => 'checkbox',
> 	'#title' => t('Ignore case sensitivity'),
> 	'#description' => t('Ignore the user\'s case sensitivity in their answer. If your site has numerous unsophisticated users, you may wish to ignore incorrect upper and lower case responses to make it easier for them to pass CAPTCHA.'),
> 	'#default_value' => variable_get('captcha_ignore_case_sensitivity', FALSE),
>   );
>