mirror of https://github.com/CrimsonTome/tldr.git
150 lines
6.0 KiB
Markdown
150 lines
6.0 KiB
Markdown
# Style guide
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This page lists specific formatting instructions for `tldr` pages.
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## Layout
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The basic format of each page should match the following template:
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```
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# command-name
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> Short, snappy description.
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> Preferably one line; two are acceptable if necessary.
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> More information: <https://example.com>.
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- Example description:
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`command -opt1 -opt2 -arg1 {{arg_value}}`
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- Example description:
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`command -opt1 -opt2`
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```
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There actually is a linter/formatter that enforces the format above.
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It is run automatically on every pull request,
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but you may install it to test your contributions locally before submitting them:
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```
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npm install --global tldr-lint
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tldr-lint {{page.md}}
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```
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For other ways to use `tldr-lint`, such as linting an entire directory, check out (what else!)
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[`tldr tldr-lint`](https://github.com/tldr-pages/tldr/blob/main/pages/common/tldr-lint.md). Alternatively, you can also use its alias `tldrl`.
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Your client may be able to preview a page locally using the `--render` flag:
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```
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tldr --render {{page.md}}
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```
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## Token syntax
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User-provided values should use the `{{token}}` syntax
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in order to allow `tldr` clients to highlight them.
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Keep the following guidelines in mind when choosing tokens:
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### Naming
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- Use short but descriptive tokens,
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such as `{{source_file}}` or `{{wallet.txt}}`.
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- Use [`snake_case`](https://wikipedia.org/wiki/snake_case) for multi-word tokens.
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- Use an actual value rather than a generic placeholder where appropriate.
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For example, use `iostat {{2}}` rather than `iostat {{interval_in_secs}}`.
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### Paths
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- Use `{{filename}}` rather than `{{file_name}}`.
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- For any reference to paths of files or directories,
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use the format `{{path/to/<placeholder>}}`,
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except when the location is implicit.
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- When the path cannot be relative,
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but has to start at the root of the filesystem,
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prefix it with a slash,
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such as `get {{/path/to/remote_file}}`.
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- In case of a possible reference both to a file or a directory,
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use `{{path/to/file_or_directory}}`.
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Extensions
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- If a particular extension is expected for the file, append it.
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For example, `unrar x {{compressed.rar}}`.
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- In case a generic extension is needed, use `{{.ext}}`, but **only** if an extension is required.
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For instance, in `find.md`'s example "Find files by extension" (`find {{root_path}} -name '{{*.ext}}'`)
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using `{{*.ext}}` explains the command without being unnecessarily specific;
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while in `wc -l {{file}}` using `{{file}}` (without extension) is sufficient.
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### Special cases
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- If a command performs irreversible changes to a file system or devices,
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write every example in a way that they cannot be thoughtlessly copy-pasted.
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For example, instead of `ddrescue --force --no-scrape /dev/sda /dev/sdb`
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write `ddrescue --force --no-scrape {{/dev/sdX}} {{/dev/sdY}}`
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and use the `{{/dev/sdXY}}` placeholder for *block devices* instead of `/dev/sda1`.
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- If a command can take a variable number of arguments, use an ellipsis: `{{arg1 arg2 ...}}`
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If one of multiple options is possible, write it as `{{either|or}}`.
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In general, tokens should make it as intuitive as possible
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to figure out how to use the command and fill it in with values.
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Technical wording on description lines should use the `backtick` syntax.
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Use backticks on the following:
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- Paths, ex. `package.json`, `/etc/package.json`.
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- Extensions, ex. `.dll`.
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- Commands, ex. `ls`.
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## Imperative Mood
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Example descriptions have to be phrased in imperative mood.
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For example, use `List all files`, instead of `Listing all files` or `File listing`.
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This also applies to all translations by default, unless this is not possible for some reason.
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## Serial Comma
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When declaring a list of 3 or more items,
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use a [serial comma](https://en.wikipedia.org/wiki/Serial_comma),
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also known as the Oxford comma,
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since omitting it can create ambiguity.
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> Delete the Git branches, tags and remotes.
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The example above does not use a serial comma, so this could mean one of two things:
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* Delete the Git branches named `tags` and `remotes`.
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* Delete all of the following: Git branches, Git tags, and Git remotes.
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This can be resolved by inserting a comma before the "and" or "or" in the final element in the list.
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> Delete the Git branches, tags, and remotes.
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## More information links
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On the `More information` line, prefer linking to the author's provided documentation.
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When not available, use <https://manned.org/> as the default fallback.
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## Chinese-Specific Rules
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When Chinese words, Latin words and Arabic numerals are written in the same sentence, it takes more attention to copywriting.
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The following guidelines are applied to Chinese (zh) and traditional Chinese (zh_TW):
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1. Place one space before/after English words and numbers.
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For example, use `列出所有 docker 容器` rather than `列出所有docker容器`.
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For example, use `宽度为 50 个字` rather than `宽度为50个字`.
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2. Place one space between numbers and units **except** degrees and percentages.
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For example, use `容量 50 MB` rather than `容量 50MB`.
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For instances of degree and percentage, use `50°C` and `50%` rather than `50 °C` and `50 %`.
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3. No additional spaces before/after full-width punctuations.
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For example, use `开启 shell，进入交互模式` rather than `开启 shell ，进入交互模式`
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4. Use full-width punctuations except for long Latin clauses.
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For example, use `嗨，你好。` rather than `嗨, 你好.`
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5. Use a half-width punctuation to end a sentence when the last character is half-width.
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For example, use `将代码转化为 Python 3.` rather than `将代码转化为 Python 3。`
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6. Use precise form for technical terms, and do not use unofficial Chinese abbreviations.
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For example, use `Facebook` rather than `facebook`, `fb` or `脸书`.
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In order to maintain readability and normalization, please comply the 6 rules above as much as possible when translating pages into Chinese.
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For more information and examples of Chinese-specific rules, check out [*Chinese Copywriting Guidelines*](https://github.com/sparanoid/chinese-copywriting-guidelines/blob/master/README.en-US.md).
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