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Fix apply diff issue #80

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Jul 16, 2025
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Fix apply diff issue #80

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10 changes: 5 additions & 5 deletions docs/features/tools/apply-diff.md
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Expand Up @@ -7,9 +7,9 @@ The `apply_diff` tool makes precise, surgical changes to files by specifying exa
The tool accepts these parameters:

- `path` (required): The path of the file to modify relative to the current working directory.
- `diff` (required): The search/replace block defining the changes using a format specific to the active diff strategy.
- `start_line` (optional): A hint for where the search content begins, used by some strategies.
- `end_line` (optional): A hint for where the search content ends, used by some strategies.
- `diff` (required): The search/replace block defining the changes. **Line numbers are mandatory within the diff content format** for all currently implemented strategies.

**Note**: While the system is designed to be extensible with different diff strategies, all currently implemented strategies require line numbers to be specified within the diff content itself using the `:start_line:` marker.

## What It Does

Expand Down Expand Up @@ -65,10 +65,10 @@ Kilo Code uses this strategy for applying diffs:

### MultiSearchReplaceDiffStrategy

An enhanced search/replace format supporting multiple changes in one request. Requires line numbers for each search block.
An enhanced search/replace format supporting multiple changes in one request. **Line numbers are mandatory for each search block.**

* **Best for**: Multiple, distinct changes where line numbers are known or can be estimated.
* **Requires**: Exact match for the `SEARCH` block content, including whitespace and indentation. Line numbers (`:start_line:`, `:end_line:`) are mandatory. Markers within content must be escaped (`\`).
* **Requires**: Exact match for the `SEARCH` block content, including whitespace and indentation. The `:start_line:` marker is **required** within each SEARCH block. Markers within content must be escaped (`\`).

Example format for the `<diff>` block:

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