P1: 100% Source code
P2: 80% code
20% language

Code Data Recipe [StackCoder]
1) Order by Repo ✓
2) Call Heuristic Filters ×
3) Group by Repo, lang → minhash ✓
4) Pack into Repo-level docs □
5) Select PL's △
6) Pack into FIM tokens *

✓: Eng Done
*X: Eng definitively NOT done
D: so so easy

Use Preprocessed code, text, webtext