tampoco en ELGG 1.8.8
I modified the start.php and test it online, it works well.
From "register_elgg_event_handler" to elgg_register_event_handler;
elgg_register_event_handler('init','system','fb_commentbox_init');
BTW, i also change the width to fulid width. you can add one line in the plugin files:
elgg_extend_view('css', 'fb_commentapps/css');
and then create a css.php under the fb_commentapps folder, then add the code below into the css.php:
<?php
?>
.fb-comments,.fb-comments span,.fb-comments iframe[style] {width: 100% !important;}
and then save it.
Enjoy:)
As suggested by Weipeng it works for me too.
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