I will post hack source for the person who has been already troubled.
qa-include/qa-app-options.php (L360) : Add 1 line
'neat_url_check' => 1, // Add ASKIVE
qa-include/qa-lang-options.php (L261) : Add 1 line
'neat_url_check' => 'URL structure check', // Add ASKIVE
qa-include/qa-page-admin-default.php:
Add 1 line (L217)
'neat_url_check' => 'checkbox', // Add ASKIVE
Replace 1 line (L281)
//$showoptions=array('site_title', 'site_url', 'neat_urls', 'site_language', 'site_theme', 'site_theme_mobile', 'tags_or_categories', 'site_maintenance');
$showoptions=array('site_title', 'site_url', 'neat_urls', 'site_language', 'site_theme', 'site_theme_mobile', 'tags_or_categories', 'site_maintenance', 'neat_url_check'); // Replace ASKIVE
Replace some lines (L970)
foreach ($rawoptions as $rawoption)
// Replace [start] ASKIVE
/*
$neatoptions[$rawoption]=
'<iframe src="'.qa_path_html('url/test/'.QA_URL_TEST_STRING, array('dummy' => '', 'param' => QA_URL_TEST_STRING), null, $rawoption).'" width="20" height="16" style="vertical-align:middle; border:0" scrolling="no" frameborder="0"></iframe> '.
'<small>'.
qa_html(urldecode(qa_path('123/why-do-birds-sing', null, '/', $rawoption))).
(($rawoption==QA_URL_FORMAT_NEAT) ? strtr(qa_lang_html('admin/neat_urls_note'), array(
'^2' => '</a>',
)) : '').
'</small>';
*/
if(qa_opt('neat_url_check'))
$neatoptions[$rawoption]=
'<iframe src="'.qa_path_html('url/test/'.QA_URL_TEST_STRING, array('dummy' => '', 'param' => QA_URL_TEST_STRING), null, $rawoption).'" width="20" height="16" style="vertical-align:middle; border:0" scrolling="no" frameborder="0"></iframe> '.
'<small>'.
qa_html(urldecode(qa_path('123/why-do-birds-sing', null, '/', $rawoption))).
(($rawoption==QA_URL_FORMAT_NEAT) ? strtr(qa_lang_html('admin/neat_urls_note'), array(
'^2' => '</a>',
)) : '').
'</small>';
else
$neatoptions[$rawoption]=
'<small>'.
qa_html(urldecode(qa_path('123/why-do-birds-sing', null, '/', $rawoption))).
(($rawoption==QA_URL_FORMAT_NEAT) ? strtr(qa_lang_html('admin/neat_urls_note'), array(
'^2' => '</a>',
)) : '').
'</small>';
// Replace [end] ASKIVE
Add 1 line (L1007)
if(qa_opt('neat_url_check')) // Add ASKIVE
$optionfield['note']=qa_lang_html_sub('admin/url_format_note', '<span style=" '.qa_admin_url_test_html().'/span>');