Parse Tree Puzzle

Spotted this fun puzzle at the Speculative Grammarian

Self-Defining Puzzle

by Swivelhips Smith, D.Phil.Taxidermy Tech

Scroll down for answers.

Keep going.

A little more.

1. NP vs Np
2. # is rotated 90°
3. S vs Q at root
4. .—? vs ?
5. differences vs diferences
6. two vs 2
7. line length for MD—Can