Determines whether the system clipboard contains an object of the specified kind.
capi
clipboard-empty self &optional format => result
| self⇩ | 
A displayed CAPI pane or interface. | 
| format⇩ | 
A keyword. | 
| result | tornil. | 
The function clipboard-empty returns nil if there is an object of the kind indicated by format on the clipboard associated with self, or t otherwise.
format controls what kind of object is checked. The allowed values of format are as described for clipboard.
CAPI User Guide and Reference Manual (Unix version) - 01 Dec 2021 19:32:42