11 lines
1.6 KiB
Markdown
11 lines
1.6 KiB
Markdown
# editing
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These cases protect a client from merging an edit-mode reply wrongly: replacing, appending, and deleting statements by name, removing what `root` no longer reaches, and merging only the fenced part of a reply. They cover [language.md section 7](../../../language.md#7-incremental-editing) and [prompt.md section 6.4](../../../prompt.md#64-edit-mode). Each case has `input.oui` (the current program), `patch.oui` (the reply), and the expected merged statements. Numbers 004 and 007 are not used.
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| Case | What it checks | Spec |
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| --- | --- | --- |
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| 001-replace-and-add | The patch replaces `root` and `a` and adds `c`: `b` is kept, `c` is appended at the end, and the page shows A2, B, C. | [7](../../../language.md#7-incremental-editing) |
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| 002-delete-and-gc | `b = null` deletes `b`, `c` is removed because `root` no longer reaches it, and the state declaration `$x` is kept. | [7](../../../language.md#7-incremental-editing) |
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| 003-state-delete | `$x = null` deletes the state declaration, so the merged program has no `$x` default. | [7](../../../language.md#7-incremental-editing), [5.1](../../../language.md#51-the-state-store-and-what-is-reactive) |
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| 005-fenced-patch | A reply of prose around an `openui` fence: only the fenced statement is merged, and the prose is ignored. | [7](../../../language.md#7-incremental-editing), [1.2](../../../language.md#12-source-text) |
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| 006-no-root-statement-no-gc | With no `root` statement nothing is removed: `x` is replaced and kept, `page` renders as the fallback entry with a non-fatal `no-root`, and `x` is an orphan. | [7](../../../language.md#7-incremental-editing), [2.2](../../../language.md#22-entry) |
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