Derived category of abelian sheaves supported on a closed
Pushforward abelian sheaves for univ.inj. + integral morphisms of spaces
Generalize formal glueing of quasi-coherent modules slightly

Doing it this way is closer to what Joyet does.
Finish working out 6220a81183541aa9f50318f8b0eeb7b62c4ffe0b
Fix references