#######
SCRIPT
#######
same as http://pastebin.com/W9Jxbcib, but with the line
print(dump(minetest.get_all_craft_recipes('funnystone:funnystone')))
instead of the other dump functions.

#######
OLD
#######
{
        {
                type = "normal",
                width = 3,
                output = "funnystone:funnystone 0",
                items = {
                        "group:wood"
                }
        },
        {
                type = "normal",
                width = 3,
                output = "funnystone:funnystone",
                items = {
                        "group:cobble",
                        "funnystone:funnyblock"
                }
        },
        {
                type = "normal",
                width = 3,
                output = "funnystone:funnystone",
                items = {
                        "group:wood"
                }
        }
}

#######
NEW
#######
{
        {
                type = "normal",
                width = 3,
                output = "funnystone:funnystone",
                items = {
                        "group:cobble",
                        "funnystone:funnyblock"
                }
        },
        {
                type = "normal",
                width = 3,
                output = "funnystone:funnystone",
                items = {
                        "group:wood"
                }
        }
}

######
RESULT
######

NEW behaviour doesn't add crafts when there is an exactly the same craft input. Stdouts from first run (see http://pastebin.com/W9Jxbcib) were interpreted wrongly, it was just a coincidence the NEW version was right.