cakephp/cakephp — pull request #2744 by wnasich (2014-01-30 20:39:25+00:00)
Title: Rendering a proper value for html5 attribute 'step'

This solve a issue when we have a field difined as decimal, where decimal place are greater than 4.
For example: a field 'ratio' defined as DECIMAL(10,6)

```php
echo $this->Form->input('Unit.ratio');
```
now this render:
```html

```