This applies to ArticleLive NX between 1.7 and 1.7.1.2
If you simply add the line below to your /admin/includes/config.php file, the sub categories will display under the Categories heading on each page in your installation:
$GLOBALS["AL_CFG"]["ShowSubCatsInMenu"] = 1;
After NX 1.7.1.2 this option is built-in.

The article has been updated successfully.