Add spaces: Attention!Ifyouhavearoofwithonegableside,thenusetocalculatethefirsttype1,thentype2.

Answer: Attention! If you have a roof with one gable side, then use to calculate the first type 1, then type 2.

Add spaces: allowuseofgrub-legacytobepre-seeded(ifappropriate)

Answer: allow use of grub-legacy to be pre-seeded (if appropriate)

Add spaces: UnsureaboutwhichtypeofOAFfileyouhave?Doyouwanttoknowexactlywhatitis,whocreatedit,andhowtoopenit?

Answer:
Unsure about which type of OAF file you have? Do you want to know exactly what it is, who created it, and how to open it?