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[Doc] Clarify is_null methods of Callable and Signal

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A Thousand Ships 2024-08-25 12:33:20 +02:00
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doc/classes/Callable.xml
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@ -203,7 +203,8 @@
<method name="is_null" qualifiers="const">
<return type="bool" />
<description>
Returns [code]true[/code] if this [Callable] has no target to call the method on.
Returns [code]true[/code] if this [Callable] has no target to call the method on. Equivalent to [code]callable == Callable()[/code].
[b]Note:[/b] This is [i]not[/i] the same as [code]not is_valid()[/code] and using [code]not is_null()[/code] will [i]not[/i] guarantee that this callable can be called. Use [method is_valid] instead.
</description>
</method>
<method name="is_standard" qualifiers="const">