Notes concerning “Caching”

• Principled APL redux 02021-01-03 (updated 02021-12-31) (12 minutes)
• Relayout with heaps 02021-01-10 (updated 02021-01-15) (6 minutes)
• Trie PEGs 02021-01-15 (4 minutes)
• Leaf hypertext 02021-05-08 (updated 02021-12-30) (3 minutes)