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# prefer-formatValues
Rejects multiple calls to document.l10n.formatValue in the same code block, to
reduce localization overheads.
## Examples of incorrect code for this rule
```js
{
document.l10n.formatValue('foobar');
document.l10n.formatValue('foobaz');
}
```
## Examples of correct code for this rule
```js
document.l10n.formatValue('foobar');
document.l10n.formatValues(['foobar', 'foobaz']);
```