In PEP 495, the diagram in the Mind the Gap section is the same as the diagram in the In the Fold section just above it. I believe this is incorrect. The correct diagram should look like the following. I tried to reproduce the font and color scheme, but it's not perfect:

In PEP 495, the diagram in the Mind the Gap section is the same as the diagram in the In the Fold section just above it. I believe this is incorrect. The correct diagram should look like the following. I tried to reproduce the font and color scheme, but it's not perfect: