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Why Rewriting Emacs Is Hard

9 Bogdanp 2 9/3/2025, 3:01:22 PM kyo.iroiro.party ↗

Comments (2)

abstractspoon · 1d ago

When rewriting something is hard we often say that it relates to the code complexity.

Might that be the reason here?

rurban · 1d ago

He explained it. Because of encodings complexities, which lead to exponential cases: backtracking regexp, and unicode case-folding. Plus the need for metadata to be carried along, and customizations, hooks, esp. making rendering slow.