Could rare punctuation marks become one-token tone signals for LLMs?
Fcking_Chuck · reddit · 2026-07-25
A proposal to use rare Unicode punctuation as tone metadata
The post asks whether obscure punctuation marks like the interrobang, irony mark, and authority mark could be repurposed as compact tonal metadata for LLM prompting.
The idea is to replace long system prompts or character-card instructions with a single symbol that encodes sarcasm, tone, or style. The author notes obvious obstacles:
- encoding support would need to be updated
- datasets would have to include the symbols
- the approach would only work if models learned consistent associations
It is presented as an open question rather than a tested result.
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