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Contents
# number-leading-zero
Require or disallow a leading zero for fractional numbers less than 1.
<!-- prettier-ignore -->
```css
a { line-height: 0.5; }
/** ↑
* This leading zero */
```
This rule ignores mixin parameters in Less.
The [`fix` option](../../../docs/user-guide/usage/options.md#fix) can automatically fix all of the problems reported by this rule.
## Options
`string`: `"always"|"never"`
### `"always"`
There _must always_ be a leading zero.
The following patterns are considered violations:
<!-- prettier-ignore -->
```css
a { line-height: .5; }
```
<!-- prettier-ignore -->
```css
a { transform: translate(2px, .4px); }
```
The following patterns are _not_ considered violations:
<!-- prettier-ignore -->
```css
a { line-height: 0.5; }
```
<!-- prettier-ignore -->
```css
a { transform: translate(2px, 0.4px); }
```
### `"never"`
There _must never_ be a leading zero.
The following patterns are considered violations:
<!-- prettier-ignore -->
```css
a { line-height: 0.5; }
```
<!-- prettier-ignore -->
```css
a { transform: translate(2px, 0.4px); }
```
The following patterns are _not_ considered violations:
<!-- prettier-ignore -->
```css
a { line-height: .5; }
```
<!-- prettier-ignore -->
```css
a { transform: translate(2px, .4px); }
```
Version data entries
24 entries across 24 versions & 1 rubygems