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Fix wide-character column editing and right-edge printing - #147

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ctate merged 1 commit into
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codex/wide-cell-editing
Sep 24, 2026
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ctate merged 1 commit into
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codex/wide-cell-editing

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@ctate

@ctate ctate commented Sep 24, 2026

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Fix character insertion and deletion so they shift the requested number of columns even when the cursor intersects a wide glyph. Split pairs become background-colored spaces while surrounding text, styles, and links stay aligned.

Wide glyphs that cannot fit at the right edge are ignored when wrapping is disabled; one-column terminals consume them as spaces. Pending wraps respect the current wrap mode, and oversized character edits are clamped safely.

Includes Zig regressions, byte-fragmented browser replay coverage for both cores, the rebuilt WASM binary, and updated documentation.

Fixes #103.

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wterm Ready Ready Preview, v0 Sep 24, 2026 2:18pm UTC

@ctate
ctate merged commit 3add050 into main Sep 24, 2026
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Print and DCH/ICH break wide-cell pairing in the built-in core

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