Checks if the given value is of the correct type and within the
permitted range for key.
This API is not intended to be used by normal programs -- they should
already know what is permitted by their own schemas. This API is
meant to be used by programs such as editors or commandline tools.
It is a programmer error to give a key that isn't contained in the
schema for settings.
Since 2.28
Checks if the given value is of the correct type and within the permitted range for key. This API is not intended to be used by normal programs -- they should already know what is permitted by their own schemas. This API is meant to be used by programs such as editors or commandline tools. It is a programmer error to give a key that isn't contained in the schema for settings. Since 2.28