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Update templating.markdown, typo correction (#30187)

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Geoffrey Coan 2023-12-06 22:23:56 +00:00 committed by GitHub
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@ -115,7 +115,7 @@ Not supported in [limited templates](#limited-templates).
- `states.sensor.temperature` returns the state object for `sensor.temperature` (avoid when possible, see note below).
- `states` can also be used as a function, `states(entity_id, rounded=False, with_unit=False)`, which returns the state string (not the state object) of the given entity, `unknown` if it doesn't exist, and `unavailable` if the object exists but is not available.
- The optional arguments `rounded` and `with_unit` control the formatting of sensor state strings, please see the [examples](#formatting-sensor-states) below.
- `states.sensor.temperature.state_with_unit` formats the state string in the same was is if calling `states('sensor.temperature', rounded=True, with_unit=True)`.
- `states.sensor.temperature.state_with_unit` formats the state string in the same way as if calling `states('sensor.temperature', rounded=True, with_unit=True)`.
- `is_state` compares an entity's state with a specified state or list of states and returns `True` or `False`. `is_state('device_tracker.paulus', 'home')` will test if the given entity is the specified state. `is_state('device_tracker.paulus', ['home', 'work'])` will test if the given entity is any of the states in the list.
- `state_attr('device_tracker.paulus', 'battery')` will return the value of the attribute or None if it doesn't exist.
- `is_state_attr('device_tracker.paulus', 'battery', 40)` will test if the given entity attribute is the specified state (in this case, a numeric value). Note that the attribute can be `None` and you want to check if it is `None`, you need to use `state_attr('sensor.my_sensor', 'attr') is none` or `state_attr('sensor.my_sensor', 'attr') == None` (note the difference in the capitalization of none in both versions).