Which page on WiKi exactly?

[baruchiro]

wordpress-github-sync/lib/database.php

Line 89 in 1b75a55

'Post ID %s is not supported by WPGHS. See wiki to find out how to add support.',

[mAAdhaTTah]

Shoot, it doesn't appear this filter is documented. The filter is here:

https://github.com/mAAdhaTTah/wordpress-github-sync/blob/master/lib/database.php#L293

Will keep this open to document.