This *might* fix Diaspora @ tags - or it might not.

include/bb2diaspora.php

@@ -18,6 +18,8 @@ function diaspora2bb($s) {
 	$s = str_replace(array('-^doublestar^-','-^doublescore-^','-^star^-','-^score^-'), array('**','__','*','_'), $s);
 	$s = preg_replace('/\[(.+?)\]\((.+?)\)/','[url=$2]$1[/url]',$s);
 	$s = preg_replace('/\!\[(.+?)\]\((.+?)\)/','[img]$2[/img]',$s);
+	$s = preg_replace('/\@\{(.+?)\; (.+?)\@(.+?)\}/','@[url=https://$3/u/$2]$1[/url]',$s);
+
 
 	$s = escape_tags($s);
 	return $s;