I haven’t always been good about bookmarking good textkit threads, so here is a thread (we’ll get this pinned) to collect some of the most useful threads out there. Sure, we could pin all of them, but there are probably too many.
Conditionals: a guide
http://discourse.textkit.com/t/conditionals-a-guide/14120/1
What do the strange abbreviations in a text’s critical apparatus mean?
http://discourse.textkit.com/t/critical-apparatus/13049/1
Greek Reader Reviews
http://discourse.textkit.com/t/greek-reader-reviews/13583/1