Render operators as typographic glyphs in the editor overlay - #8
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Display-only substitution in the syntax-highlight overlay: the textarea's raw ASCII is unchanged, so the parser still evaluates correctly while the rendered text shows proper glyphs. - `*` -> ×, spaced `/` -> ÷ (single-cell 1:1 swaps) - ligatures `->` → →, `=>` → ⇒, `!=` → ≠, `<=` → ≤, `>=` → ≥, each in a 2ch-wide span so the caret and soft-wrapping stay aligned with the source - markdown `*` (bold/italic/list) is preserved; only math `*` becomes × - division only fires when whitespace-surrounded, leaving dates and rates (06/28, km/h) literal - native font ligatures disabled on both layers for deterministic rendering Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_0167LqyCYk7YA6SXLceXu52d
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Display-only substitution in the syntax-highlight overlay: the textarea's
raw ASCII is unchanged, so the parser still evaluates correctly while the
rendered text shows proper glyphs.
*-> ×, spaced/-> ÷ (single-cell 1:1 swaps)->→ →,=>→ ⇒,!=→ ≠,<=→ ≤,>=→ ≥, each in a2ch-wide span so the caret and soft-wrapping stay aligned with the source
*(bold/italic/list) is preserved; only math*becomes ×(06/28, km/h) literal
Co-Authored-By: Claude Opus 4.8 noreply@anthropic.com
Claude-Session: https://claude.ai/code/session_0167LqyCYk7YA6SXLceXu52d