apply documentation philosophy — explain why, not what. use for jsdocs, READMEs, inline comments.
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What the file says
# document
apply documentation philosophy: explain why, not what.
## when to use
- writing jsdocs for components or functions
- updating README or project docs
- adding inline comments during implementation
- reviewing existing documentation for cleanup
## workflow
1. check if documentation is needed — if it describes obvious behavior, skip it
2. identify the non-obvious why: design constraints, behavioral consequences, inheritance warnings
3. write terse, lowercase prose
4. delete anything that merely restates the code
## quick reference: why over what
**delete this:**
```typescript
/** context provider that wraps children in a DisclosureProvider. */
```
**keep this:**
```typescript
/**
* blocks CompositeContext so nested Lists create isolated focus loops.
* essential for "Simple API" goal — our List is "greedy" and would
* otherwise join parent's arrow-key navigation.
*/
```
## what to document
- design rationale and constraints
- context shadowing / inheritance warnings
- non-obvious behavioral consequences
- internal decisions affecting correctness
## what to delete
- obvious behavior ("renders a button")
- what the function name already says
…
The line at the top of this page pins the label git:20260825.12ce506, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
GET https://markdownregistry.com/api/v1/artifacts/art_urlkoxccpzlfqt6w
GET https://markdownregistry.com/api/v1/resolve?ref=bdsqqq/dots/document
GET https://markdownregistry.com/api/v1/blob/aa7f02fc545e3aba049b1d0732a26e057be55212716c65a44653cb23a843159b
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